TY  - JOUR
AU  - Erić, Aleksandar
AU  - Nemoda, Stevan
AU  - Komatina, Mirko S.
AU  - Dakić, Dragoljub V.
AU  - Repić, Branislav
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8401
AB  - The paper presents results of experimental investigation performed in order to examine kinetics of loose biomass combustion in vertical tube reactor. The investigation conducted included continuous measurement of the fuel mass loss rate, with two biomass combustion models (piston and batch model) proposed, each relying on appropriate theoretical postulates. Results obtained indicated that piston combustion model had shown better agreement between theoretical and experimental data and was therefore used to further analyse effects of excess-air on the combustion kinetics, as well as associated effects of flue gas recirculation. Recirculation of cold flue gases is used to lower peak temperature inside the furnace, as well as to reduce a zone where ash melting problems may potentially occur. During the investigation performed, effects of flue gas recirculation on the combustion process were simulated by simultaneously injecting nitrogen and air flows into the furnace. This was deemed appropriate to simulate real-life conditions prevailing in the furnace with gas recirculation. Experiments were conducted on specially designed and constructed apparatus that enabled kinetic parameters to be determined for the combustion of different types of biomass. Results obtained have indicated that quantity of air affects kinetics of biomass combustion and that increased recirculation leads to reduced biomass reaction rate. The same conclusion was reached based on the results of experiments conducted with two different types of agro-biomass, namely wheat straw and corn stalks, which are most commonly used for energy generation. Results achieved are deemed particularly important when it comes to design of new plants that utilize cigarette type combustion system, but also for development of numerical models used to simulate combustion of biomass bales, with special emphasis placed on the impact of recirculation gases on the combustion kinetics. © 2018 Energy Institute
T2  - Journal of the Energy Institute
T1  - Experimental investigation on the kinetics of biomass combustion in vertical tube reactor
VL  - 92
IS  - 4
SP  - 1077
EP  - 1090
DO  - 10.1016/j.joei.2018.06.009
ER  - 

@article{
author = "Erić, Aleksandar and Nemoda, Stevan and Komatina, Mirko S. and Dakić, Dragoljub V. and Repić, Branislav",
year = "2019",
abstract = "The paper presents results of experimental investigation performed in order to examine kinetics of loose biomass combustion in vertical tube reactor. The investigation conducted included continuous measurement of the fuel mass loss rate, with two biomass combustion models (piston and batch model) proposed, each relying on appropriate theoretical postulates. Results obtained indicated that piston combustion model had shown better agreement between theoretical and experimental data and was therefore used to further analyse effects of excess-air on the combustion kinetics, as well as associated effects of flue gas recirculation. Recirculation of cold flue gases is used to lower peak temperature inside the furnace, as well as to reduce a zone where ash melting problems may potentially occur. During the investigation performed, effects of flue gas recirculation on the combustion process were simulated by simultaneously injecting nitrogen and air flows into the furnace. This was deemed appropriate to simulate real-life conditions prevailing in the furnace with gas recirculation. Experiments were conducted on specially designed and constructed apparatus that enabled kinetic parameters to be determined for the combustion of different types of biomass. Results obtained have indicated that quantity of air affects kinetics of biomass combustion and that increased recirculation leads to reduced biomass reaction rate. The same conclusion was reached based on the results of experiments conducted with two different types of agro-biomass, namely wheat straw and corn stalks, which are most commonly used for energy generation. Results achieved are deemed particularly important when it comes to design of new plants that utilize cigarette type combustion system, but also for development of numerical models used to simulate combustion of biomass bales, with special emphasis placed on the impact of recirculation gases on the combustion kinetics. © 2018 Energy Institute",
journal = "Journal of the Energy Institute",
title = "Experimental investigation on the kinetics of biomass combustion in vertical tube reactor",
volume = "92",
number = "4",
pages = "1077-1090",
doi = "10.1016/j.joei.2018.06.009"
}

Erić, A., Nemoda, S., Komatina, M. S., Dakić, D. V.,& Repić, B.. (2019). Experimental investigation on the kinetics of biomass combustion in vertical tube reactor. in Journal of the Energy Institute, 92(4), 1077-1090.
https://doi.org/10.1016/j.joei.2018.06.009

Erić A, Nemoda S, Komatina MS, Dakić DV, Repić B. Experimental investigation on the kinetics of biomass combustion in vertical tube reactor. in Journal of the Energy Institute. 2019;92(4):1077-1090.
doi:10.1016/j.joei.2018.06.009 .

Erić, Aleksandar, Nemoda, Stevan, Komatina, Mirko S., Dakić, Dragoljub V., Repić, Branislav, "Experimental investigation on the kinetics of biomass combustion in vertical tube reactor" in Journal of the Energy Institute, 92, no. 4 (2019):1077-1090,
https://doi.org/10.1016/j.joei.2018.06.009 . .

TY  - JOUR
AU  - Grubor, Borislav
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Mladenović, Milica R.
AU  - Paprika, Milijana
AU  - Oka, Simeon N.
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8985
AB  - The paper gives a review of the most important results of extensive targeted fundamental research program on fluidized bed combustion in the Laboratory for Thermal Engineering and Energy of the VINCA Institute of Nuclear Sciences. The paper presents a detailed overview of research activities from the beginning in the second half of the 1970'' up to present days. Starting with the motives for initiating the investigations in this field, the paper highlights various phases of research and points out the main results of all research activities, not only the ones that are focused in this paper. Targeted fundamental research topics that are overviewed in this paper are heat and mass transfer, coal particle fragmentation, char particle combustion, sulfur self-retention by coal ash itself, as well as circulating fluidized bed modeling.
T2  - Thermal Science
T1  - Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part A: Achievements in targeted fundamental research
VL  - 23
IS  - Suppl. 5
SP  - 1637
EP  - 1653
DO  - 10.2298/TSCI180725289G
ER  - 

@article{
author = "Grubor, Borislav and Dakić, Dragoljub V. and Nemoda, Stevan and Mladenović, Milica R. and Paprika, Milijana and Oka, Simeon N.",
year = "2019",
abstract = "The paper gives a review of the most important results of extensive targeted fundamental research program on fluidized bed combustion in the Laboratory for Thermal Engineering and Energy of the VINCA Institute of Nuclear Sciences. The paper presents a detailed overview of research activities from the beginning in the second half of the 1970'' up to present days. Starting with the motives for initiating the investigations in this field, the paper highlights various phases of research and points out the main results of all research activities, not only the ones that are focused in this paper. Targeted fundamental research topics that are overviewed in this paper are heat and mass transfer, coal particle fragmentation, char particle combustion, sulfur self-retention by coal ash itself, as well as circulating fluidized bed modeling.",
journal = "Thermal Science",
title = "Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part A: Achievements in targeted fundamental research",
volume = "23",
number = "Suppl. 5",
pages = "1637-1653",
doi = "10.2298/TSCI180725289G"
}

Grubor, B., Dakić, D. V., Nemoda, S., Mladenović, M. R., Paprika, M.,& Oka, S. N.. (2019). Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part A: Achievements in targeted fundamental research. in Thermal Science, 23(Suppl. 5), 1637-1653.
https://doi.org/10.2298/TSCI180725289G

Grubor B, Dakić DV, Nemoda S, Mladenović MR, Paprika M, Oka SN. Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part A: Achievements in targeted fundamental research. in Thermal Science. 2019;23(Suppl. 5):1637-1653.
doi:10.2298/TSCI180725289G .

Grubor, Borislav, Dakić, Dragoljub V., Nemoda, Stevan, Mladenović, Milica R., Paprika, Milijana, Oka, Simeon N., "Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part A: Achievements in targeted fundamental research" in Thermal Science, 23, no. Suppl. 5 (2019):1637-1653,
https://doi.org/10.2298/TSCI180725289G . .

TY  - JOUR
AU  - Grubor, Borislav
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Mladenović, Milica R.
AU  - Paprika, Milijana
AU  - Oka, Simeon N.
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8988
AB  - Paper gives a review of the most important results of extensive and wide-ranging research program on R&D of fluidized bed combustion technology in the Laboratory for Thermal Engineering and Energy of the VINCA Institute of Nuclear Sciences. Paper presents detailed overview of R&D activities from the beginning in the second half of the 1970's up to present days. These activities encompass applied research achievements in the field of characterization of limestones and bed agglomeration and sintering and modeling of overall processes during fluidized bed combustion, all of which have facilitated the R&D of the fluidized bed combustion technology. Attention is also given to steady-state combustion testing of a wide-range of fuels (coals, liquid fuels, biomass, waste solid and liquid materials, etc.) in our fluidized bed combustor and development of original methodology for testing the suitability of fuels for fluidized bed combustion, as well as specific achievements in the area of technology application in Serbia.
T2  - Thermal Science
T1  - Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part B: Achievements in technology implementation
VL  - 23
IS  - Suppl. 5
SP  - 1655
EP  - 1667
DO  - 10.2298/TSCI180725290G
ER  - 

@article{
author = "Grubor, Borislav and Dakić, Dragoljub V. and Nemoda, Stevan and Mladenović, Milica R. and Paprika, Milijana and Oka, Simeon N.",
year = "2019",
abstract = "Paper gives a review of the most important results of extensive and wide-ranging research program on R&D of fluidized bed combustion technology in the Laboratory for Thermal Engineering and Energy of the VINCA Institute of Nuclear Sciences. Paper presents detailed overview of R&D activities from the beginning in the second half of the 1970's up to present days. These activities encompass applied research achievements in the field of characterization of limestones and bed agglomeration and sintering and modeling of overall processes during fluidized bed combustion, all of which have facilitated the R&D of the fluidized bed combustion technology. Attention is also given to steady-state combustion testing of a wide-range of fuels (coals, liquid fuels, biomass, waste solid and liquid materials, etc.) in our fluidized bed combustor and development of original methodology for testing the suitability of fuels for fluidized bed combustion, as well as specific achievements in the area of technology application in Serbia.",
journal = "Thermal Science",
title = "Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part B: Achievements in technology implementation",
volume = "23",
number = "Suppl. 5",
pages = "1655-1667",
doi = "10.2298/TSCI180725290G"
}

Grubor, B., Dakić, D. V., Nemoda, S., Mladenović, M. R., Paprika, M.,& Oka, S. N.. (2019). Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part B: Achievements in technology implementation. in Thermal Science, 23(Suppl. 5), 1655-1667.
https://doi.org/10.2298/TSCI180725290G

Grubor B, Dakić DV, Nemoda S, Mladenović MR, Paprika M, Oka SN. Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part B: Achievements in technology implementation. in Thermal Science. 2019;23(Suppl. 5):1655-1667.
doi:10.2298/TSCI180725290G .

Grubor, Borislav, Dakić, Dragoljub V., Nemoda, Stevan, Mladenović, Milica R., Paprika, Milijana, Oka, Simeon N., "Research in the fluidized bed combustion in the Laboratory for thermal engineering and energy - Part B: Achievements in technology implementation" in Thermal Science, 23, no. Suppl. 5 (2019):1655-1667,
https://doi.org/10.2298/TSCI180725290G . .

TY  - JOUR
AU  - Mladenović, Milica R.
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Paprika, Milijana
AU  - Komatina, Mirko S.
AU  - Repić, Branislav
AU  - Erić, Aleksandar
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1199
AB  - Harmonization of environmental protection and the growing energy needs of modern society promote the biomass application as a replacement for fossil fuels and a viable option to mitigate the greenhouse gas emissions. For domestic conditions this is particularly important as more than 60% of renewables belongs to biomass. Beside numerous benefits of using biomass for energy purposes, there are certain drawbacks, one of which is a possible high emission of NOx during the combustion of these fuels. The paper presents the results of the experiments with multiple biomass types (soybean straw, cornstalk, grain biomass, sunflower oil, glycerin and paper sludge), using different combustion technologies (fluidized bed and cigarette combustion), with emphasis on the emission of NOx in the exhaust gas. A presentation of the experimental installations is given, as well as an evaluation of the effects of the fuel composition, combustion regimes and technology on the NOx emissions. As the biomass combustion took place at temperatures low enough that thermal and prompt NOx can be neglected, the conclusion is the emissions of nitrogen oxides primarily depend on the biomass composition - it is increasing with the increase of the nitrogen content, and decreases with the increase of the char content which provides catalytic surface for NOx reduction by CO.
T2  - Hemijska industrija
T1  - The combustion of biomass - The impact of its types and combustion technologies on the emission of nitrogen oxide
VL  - 70
IS  - 3
SP  - 287
EP  - 298
DO  - 10.2298/HEMIND150409033M
ER  - 

@article{
author = "Mladenović, Milica R. and Dakić, Dragoljub V. and Nemoda, Stevan and Paprika, Milijana and Komatina, Mirko S. and Repić, Branislav and Erić, Aleksandar",
year = "2016",
abstract = "Harmonization of environmental protection and the growing energy needs of modern society promote the biomass application as a replacement for fossil fuels and a viable option to mitigate the greenhouse gas emissions. For domestic conditions this is particularly important as more than 60% of renewables belongs to biomass. Beside numerous benefits of using biomass for energy purposes, there are certain drawbacks, one of which is a possible high emission of NOx during the combustion of these fuels. The paper presents the results of the experiments with multiple biomass types (soybean straw, cornstalk, grain biomass, sunflower oil, glycerin and paper sludge), using different combustion technologies (fluidized bed and cigarette combustion), with emphasis on the emission of NOx in the exhaust gas. A presentation of the experimental installations is given, as well as an evaluation of the effects of the fuel composition, combustion regimes and technology on the NOx emissions. As the biomass combustion took place at temperatures low enough that thermal and prompt NOx can be neglected, the conclusion is the emissions of nitrogen oxides primarily depend on the biomass composition - it is increasing with the increase of the nitrogen content, and decreases with the increase of the char content which provides catalytic surface for NOx reduction by CO.",
journal = "Hemijska industrija",
title = "The combustion of biomass - The impact of its types and combustion technologies on the emission of nitrogen oxide",
volume = "70",
number = "3",
pages = "287-298",
doi = "10.2298/HEMIND150409033M"
}

Mladenović, M. R., Dakić, D. V., Nemoda, S., Paprika, M., Komatina, M. S., Repić, B.,& Erić, A.. (2016). The combustion of biomass - The impact of its types and combustion technologies on the emission of nitrogen oxide. in Hemijska industrija, 70(3), 287-298.
https://doi.org/10.2298/HEMIND150409033M

Mladenović MR, Dakić DV, Nemoda S, Paprika M, Komatina MS, Repić B, Erić A. The combustion of biomass - The impact of its types and combustion technologies on the emission of nitrogen oxide. in Hemijska industrija. 2016;70(3):287-298.
doi:10.2298/HEMIND150409033M .

Mladenović, Milica R., Dakić, Dragoljub V., Nemoda, Stevan, Paprika, Milijana, Komatina, Mirko S., Repić, Branislav, Erić, Aleksandar, "The combustion of biomass - The impact of its types and combustion technologies on the emission of nitrogen oxide" in Hemijska industrija, 70, no. 3 (2016):287-298,
https://doi.org/10.2298/HEMIND150409033M . .

TY  - CONF
AU  - Dakić, Dragoljub V.
AU  - Paprika, Milijana
AU  - Durovic, Dejan
AU  - Repić, Branislav
AU  - Maldenovic, Milica
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7139
AB  - The paper presents a proposal for forming public-private partnerships in small towns or villages in Serbia, in order to use potential of renewable energy sources, help local economy and, possibly, help preventing village withering. The project comprises construction of thermal plants at the periphery of a small town or a village, fueled by baled biomass form neighboring fields, together with a small industrial zone next to it. The industrial facilities would include storage and processing of agricultural products. The operation of the industrial zone should be organized in a way that the plant is used for heating and industrial purposes alternately. An example of such heating facility is presented here, accompanied by a basic economic analysis.
T1  - Potential of Utilizing Agricultural Biomass for Energy Purposes within Public-Private Partnerships
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7139
ER  - 

@conference{
author = "Dakić, Dragoljub V. and Paprika, Milijana and Durovic, Dejan and Repić, Branislav and Maldenovic, Milica",
year = "2016",
abstract = "The paper presents a proposal for forming public-private partnerships in small towns or villages in Serbia, in order to use potential of renewable energy sources, help local economy and, possibly, help preventing village withering. The project comprises construction of thermal plants at the periphery of a small town or a village, fueled by baled biomass form neighboring fields, together with a small industrial zone next to it. The industrial facilities would include storage and processing of agricultural products. The operation of the industrial zone should be organized in a way that the plant is used for heating and industrial purposes alternately. An example of such heating facility is presented here, accompanied by a basic economic analysis.",
title = "Potential of Utilizing Agricultural Biomass for Energy Purposes within Public-Private Partnerships",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7139"
}

Dakić, D. V., Paprika, M., Durovic, D., Repić, B.,& Maldenovic, M.. (2016). Potential of Utilizing Agricultural Biomass for Energy Purposes within Public-Private Partnerships. .
https://hdl.handle.net/21.15107/rcub_vinar_7139

Dakić DV, Paprika M, Durovic D, Repić B, Maldenovic M. Potential of Utilizing Agricultural Biomass for Energy Purposes within Public-Private Partnerships. 2016;.
https://hdl.handle.net/21.15107/rcub_vinar_7139 .

Dakić, Dragoljub V., Paprika, Milijana, Durovic, Dejan, Repić, Branislav, Maldenovic, Milica, "Potential of Utilizing Agricultural Biomass for Energy Purposes within Public-Private Partnerships" (2016),
https://hdl.handle.net/21.15107/rcub_vinar_7139 .

TY  - JOUR
AU  - Paprika, Milijana
AU  - Komatina, Mirko S.
AU  - Mladenović, Milica R.
AU  - Živković, Goran S.
AU  - Dakić, Dragoljub V.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1139
AB  - In order to lay a foundation of a credible primacy fragmentation model, a theoretical analysis of the thermo-mechanical processes in a devolatilizing solid fuel particle was carried out. The devolatilization model comprises heat transfer, chemical processes of generation of gaseous products of combustion (volatiles), volatile transfer, and solid mechanic processes. A spatial and temporal analysis of the stresses within the particle showed that the radial stress is caused primarily by the pressure of generated volatiles. This stress monotonously decreases from the particle center towards the particle surface, without changing its sign. The tangential stress is caused primarily by the thermal shock. Close to the surface, it changes its sign. In the particle cross-section, the radial stress prevails close to the particle center, whilst the tangential stress is dominant in the surface region. At the points where these stresses exceed the particle tensile strength, cracks occur. Cracks extend tangentially close to the surface, and radially close to the center of the particle.
T2  - Thermal Science
T1  - Mechanism of Primary Fragmentation of Coal in Fluidized Bed
VL  - 20
SP  - S125
EP  - S132
DO  - 10.2298/TSCI150603224P
ER  - 

@article{
author = "Paprika, Milijana and Komatina, Mirko S. and Mladenović, Milica R. and Živković, Goran S. and Dakić, Dragoljub V.",
year = "2016",
abstract = "In order to lay a foundation of a credible primacy fragmentation model, a theoretical analysis of the thermo-mechanical processes in a devolatilizing solid fuel particle was carried out. The devolatilization model comprises heat transfer, chemical processes of generation of gaseous products of combustion (volatiles), volatile transfer, and solid mechanic processes. A spatial and temporal analysis of the stresses within the particle showed that the radial stress is caused primarily by the pressure of generated volatiles. This stress monotonously decreases from the particle center towards the particle surface, without changing its sign. The tangential stress is caused primarily by the thermal shock. Close to the surface, it changes its sign. In the particle cross-section, the radial stress prevails close to the particle center, whilst the tangential stress is dominant in the surface region. At the points where these stresses exceed the particle tensile strength, cracks occur. Cracks extend tangentially close to the surface, and radially close to the center of the particle.",
journal = "Thermal Science",
title = "Mechanism of Primary Fragmentation of Coal in Fluidized Bed",
volume = "20",
pages = "S125-S132",
doi = "10.2298/TSCI150603224P"
}

Paprika, M., Komatina, M. S., Mladenović, M. R., Živković, G. S.,& Dakić, D. V.. (2016). Mechanism of Primary Fragmentation of Coal in Fluidized Bed. in Thermal Science, 20, S125-S132.
https://doi.org/10.2298/TSCI150603224P

Paprika M, Komatina MS, Mladenović MR, Živković GS, Dakić DV. Mechanism of Primary Fragmentation of Coal in Fluidized Bed. in Thermal Science. 2016;20:S125-S132.
doi:10.2298/TSCI150603224P .

Paprika, Milijana, Komatina, Mirko S., Mladenović, Milica R., Živković, Goran S., Dakić, Dragoljub V., "Mechanism of Primary Fragmentation of Coal in Fluidized Bed" in Thermal Science, 20 (2016):S125-S132,
https://doi.org/10.2298/TSCI150603224P . .

TY  - JOUR
AU  - Erić, Aleksandar
AU  - Nemoda, Stevan
AU  - Dakić, Dragoljub V.
AU  - Repić, Branislav
AU  - Đurović, Dejan M.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1141
AB  - The paper presents results of experimental and numerical investigation addressing combustion of baled agricultural biomass in a 50 kW experimental furnace equipped with cigar burners. Experiments performed included measurements of all parameters deemed important for mass and energy balance, as well as parameters defining quality of the combustion process. Experimental results were compared with results of numerical simulations performed with previously developed CFD model. The model takes into account complex thermo mechanical combustion processes occurring in a porous layer of biomass bales and the surrounding fluid. The combustion process and the corresponding model were deemed stationary. Comparison of experimental and numerical results obtained through research presented in this paper showed satisfactory correspondence, leading to the conclusion that the model developed could be used for analysis of different effects associated with variations in process parameters and/or structural modifications in industrial biomass facilities. Mathematical model developed was also utilized to examine the impact of gas re-circulation on maximum temperatures in the combustion chamber. Gas re-circulation was found to have positive effect on the reduction of maximum temperature in the combustion chamber, as well as on the reduction of maximum temperature zone in the chamber. The conclusions made provided valuable inputs towards prevention of biomass ash sintering, which occurs at higher temperatures and negatively affects biomass combustion process.
T2  - Thermal Science
T1  - Experimental and Numerical Study on Combustion of Baled Biomass in Cigar Burners and Effects of Flue Gas Re-Circulation
VL  - 20
SP  - S151
EP  - S165
DO  - 10.2298/TSCI150827207E
ER  - 

@article{
author = "Erić, Aleksandar and Nemoda, Stevan and Dakić, Dragoljub V. and Repić, Branislav and Đurović, Dejan M.",
year = "2016",
abstract = "The paper presents results of experimental and numerical investigation addressing combustion of baled agricultural biomass in a 50 kW experimental furnace equipped with cigar burners. Experiments performed included measurements of all parameters deemed important for mass and energy balance, as well as parameters defining quality of the combustion process. Experimental results were compared with results of numerical simulations performed with previously developed CFD model. The model takes into account complex thermo mechanical combustion processes occurring in a porous layer of biomass bales and the surrounding fluid. The combustion process and the corresponding model were deemed stationary. Comparison of experimental and numerical results obtained through research presented in this paper showed satisfactory correspondence, leading to the conclusion that the model developed could be used for analysis of different effects associated with variations in process parameters and/or structural modifications in industrial biomass facilities. Mathematical model developed was also utilized to examine the impact of gas re-circulation on maximum temperatures in the combustion chamber. Gas re-circulation was found to have positive effect on the reduction of maximum temperature in the combustion chamber, as well as on the reduction of maximum temperature zone in the chamber. The conclusions made provided valuable inputs towards prevention of biomass ash sintering, which occurs at higher temperatures and negatively affects biomass combustion process.",
journal = "Thermal Science",
title = "Experimental and Numerical Study on Combustion of Baled Biomass in Cigar Burners and Effects of Flue Gas Re-Circulation",
volume = "20",
pages = "S151-S165",
doi = "10.2298/TSCI150827207E"
}

Erić, A., Nemoda, S., Dakić, D. V., Repić, B.,& Đurović, D. M.. (2016). Experimental and Numerical Study on Combustion of Baled Biomass in Cigar Burners and Effects of Flue Gas Re-Circulation. in Thermal Science, 20, S151-S165.
https://doi.org/10.2298/TSCI150827207E

Erić A, Nemoda S, Dakić DV, Repić B, Đurović DM. Experimental and Numerical Study on Combustion of Baled Biomass in Cigar Burners and Effects of Flue Gas Re-Circulation. in Thermal Science. 2016;20:S151-S165.
doi:10.2298/TSCI150827207E .

Erić, Aleksandar, Nemoda, Stevan, Dakić, Dragoljub V., Repić, Branislav, Đurović, Dejan M., "Experimental and Numerical Study on Combustion of Baled Biomass in Cigar Burners and Effects of Flue Gas Re-Circulation" in Thermal Science, 20 (2016):S151-S165,
https://doi.org/10.2298/TSCI150827207E . .

TY  - JOUR
AU  - Erić, Aleksandar
AU  - Komatina, M.
AU  - Nemoda, Stevan
AU  - Dakić, Dragoljub V.
AU  - Repić, Branislav
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/966
AB  - Modeling of transport phenomena in materials with porous bed features requires thermophysical properties, such as porosity, permeability and thermal conductivity be known. The paper presents experimental data obtained in the course of investigation focused on analysis of stagnant thermal conductivity of biomass. Experiments were conducted using a custom designed and constructed experimental setup and implementing original experimental procedure. Results obtained enabled stagnant thermal conductivity of biomass to be determined for different biomass porosity values. Analysis of the experimental data enabled functional dependence of stagnant thermal conductivity on porosity to be determined, with porosity varied in a range 0.50-0.85. Results obtained indicate that reduced bed porosity, down to the value of 0.65, causes stagnant thermal conductivity of the bed to be reduced. Further porosity reduction, below the value of 0.65, results in increased stagnant thermal conductivity of the bed. Experimental procedure developed shall be useful for gathering experimental data on different materials planned to be analyzed when examining transport phenomena occurring during combustion of biomass bales. In addition, data to be acquired shall be helpful in modeling the transport phenomena associated with combustion in porous beds. (C) 2015 Elsevier Ltd. All rights reserved.
PB  - Elsevier
T2  - Renewable and Sustainable Energy Reviews
T1  - Determination of thermal conductivity of baled agricultural biomass
VL  - 58
SP  - 876
EP  - 884
DO  - 10.1016/j.rser.2015.12.066
ER  - 

@article{
author = "Erić, Aleksandar and Komatina, M. and Nemoda, Stevan and Dakić, Dragoljub V. and Repić, Branislav",
year = "2016",
abstract = "Modeling of transport phenomena in materials with porous bed features requires thermophysical properties, such as porosity, permeability and thermal conductivity be known. The paper presents experimental data obtained in the course of investigation focused on analysis of stagnant thermal conductivity of biomass. Experiments were conducted using a custom designed and constructed experimental setup and implementing original experimental procedure. Results obtained enabled stagnant thermal conductivity of biomass to be determined for different biomass porosity values. Analysis of the experimental data enabled functional dependence of stagnant thermal conductivity on porosity to be determined, with porosity varied in a range 0.50-0.85. Results obtained indicate that reduced bed porosity, down to the value of 0.65, causes stagnant thermal conductivity of the bed to be reduced. Further porosity reduction, below the value of 0.65, results in increased stagnant thermal conductivity of the bed. Experimental procedure developed shall be useful for gathering experimental data on different materials planned to be analyzed when examining transport phenomena occurring during combustion of biomass bales. In addition, data to be acquired shall be helpful in modeling the transport phenomena associated with combustion in porous beds. (C) 2015 Elsevier Ltd. All rights reserved.",
publisher = "Elsevier",
journal = "Renewable and Sustainable Energy Reviews",
title = "Determination of thermal conductivity of baled agricultural biomass",
volume = "58",
pages = "876-884",
doi = "10.1016/j.rser.2015.12.066"
}

Erić, A., Komatina, M., Nemoda, S., Dakić, D. V.,& Repić, B.. (2016). Determination of thermal conductivity of baled agricultural biomass. in Renewable and Sustainable Energy Reviews
Elsevier., 58, 876-884.
https://doi.org/10.1016/j.rser.2015.12.066

Erić A, Komatina M, Nemoda S, Dakić DV, Repić B. Determination of thermal conductivity of baled agricultural biomass. in Renewable and Sustainable Energy Reviews. 2016;58:876-884.
doi:10.1016/j.rser.2015.12.066 .

Erić, Aleksandar, Komatina, M., Nemoda, Stevan, Dakić, Dragoljub V., Repić, Branislav, "Determination of thermal conductivity of baled agricultural biomass" in Renewable and Sustainable Energy Reviews, 58 (2016):876-884,
https://doi.org/10.1016/j.rser.2015.12.066 . .

TY  - CONF
AU  - Đurović, Dejan
AU  - Dakić, Dragoljub
AU  - Repić, Branislav
AU  - Paprika, Milijana
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11605
AB  - Institut „Vinča“ se greje iz centralne kotlarnice toplom vodom u primarnom krugu. U kotlarnici su instalisana četiri mazutna vrelovodna blok kotla ukupne snage od 9,65 MW. To je veoma zastareo sistem grejanja koji ima niz nedostataka. Međutim, promena tog sistema i eventualno prelazak na dvostepeni (primarni i sekundarni vrelovodni/toplovodni krugovi sa ugradnjom podstanica) je veoma skup poduhvat i u ovom trenutku se ne razmatra. U radu je sagledana mogućnost supstitucije postojećeg goriva (mazut) biomasom. Za tu svrhu bi se morao izgraditi novi kotao koji će sagorevati biomasu. Analiza sprovedena u ovom radu je pokazala da li je i u kojoj meri to isplativo, ekološki prihvatlјivo, energetski efikasnije, kao i koliko je naučno istraživački korisno. U radu je prikazana i analiza angažovane snage kotlarnice za dve izabrane grejne sezone, što može pomoći u određivanju potrebne instalisane snage novog kotla na biomasu. Takođe, u radu je prikazana i kompletna logistika neophodna za realizaciju korišćenja biomase kao goriva u sistemu centralnog grejanja instituta Vinča.
AB  - "Vinca" Institute is heated from a central boiler station using a hot water in the primary circuit. In the boiler room a four heavy fuel oil hot water block boilers were installed with total capacity of 9.65 MW. It is very outdated heating system which has a number of disadvantages. However, the change of the system and eventually change to a two-stage (primary and secondary hot water/hot water circuits with installation of substations) is a very expensive proposition and at this time is not considered. In the paper is investigated the possibilities of substitution of the existing fuel (heavy fuel oil) with biomass. For this purposes a new boiler which will burn biomass would be built.The analysis conducted in this paper has shown whether and to what extent is cost-effective, environmentally friendly, energy efficient, and how is useful from scientific and research point of view. In the paper has been presented the analysis for two selected heating season, which may help in determining the installed capacity of the new biomass boiler. Also, in the paper are presented a complete logistics system required for implementation of biomass usage as a fuel in heating system of the Vinca Institute.
PB  - Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku
C3  - 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova
T1  - Tehnička i ekonomska opravdanost zamene postojećih kotlova na mazut novim kotlom na biomasu u okviru sistema grejanja Instituta Vinča
T1  - Technical and economic feasibilityof replacing the existing heavy fuel boilers with new biomass boiler within the heating system of the institute Vinča
SP  - 204
EP  - 213
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11605
ER  - 

@conference{
author = "Đurović, Dejan and Dakić, Dragoljub and Repić, Branislav and Paprika, Milijana",
year = "2015",
abstract = "Institut „Vinča“ se greje iz centralne kotlarnice toplom vodom u primarnom krugu. U kotlarnici su instalisana četiri mazutna vrelovodna blok kotla ukupne snage od 9,65 MW. To je veoma zastareo sistem grejanja koji ima niz nedostataka. Međutim, promena tog sistema i eventualno prelazak na dvostepeni (primarni i sekundarni vrelovodni/toplovodni krugovi sa ugradnjom podstanica) je veoma skup poduhvat i u ovom trenutku se ne razmatra. U radu je sagledana mogućnost supstitucije postojećeg goriva (mazut) biomasom. Za tu svrhu bi se morao izgraditi novi kotao koji će sagorevati biomasu. Analiza sprovedena u ovom radu je pokazala da li je i u kojoj meri to isplativo, ekološki prihvatlјivo, energetski efikasnije, kao i koliko je naučno istraživački korisno. U radu je prikazana i analiza angažovane snage kotlarnice za dve izabrane grejne sezone, što može pomoći u određivanju potrebne instalisane snage novog kotla na biomasu. Takođe, u radu je prikazana i kompletna logistika neophodna za realizaciju korišćenja biomase kao goriva u sistemu centralnog grejanja instituta Vinča., "Vinca" Institute is heated from a central boiler station using a hot water in the primary circuit. In the boiler room a four heavy fuel oil hot water block boilers were installed with total capacity of 9.65 MW. It is very outdated heating system which has a number of disadvantages. However, the change of the system and eventually change to a two-stage (primary and secondary hot water/hot water circuits with installation of substations) is a very expensive proposition and at this time is not considered. In the paper is investigated the possibilities of substitution of the existing fuel (heavy fuel oil) with biomass. For this purposes a new boiler which will burn biomass would be built.The analysis conducted in this paper has shown whether and to what extent is cost-effective, environmentally friendly, energy efficient, and how is useful from scientific and research point of view. In the paper has been presented the analysis for two selected heating season, which may help in determining the installed capacity of the new biomass boiler. Also, in the paper are presented a complete logistics system required for implementation of biomass usage as a fuel in heating system of the Vinca Institute.",
publisher = "Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku",
journal = "28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova",
title = "Tehnička i ekonomska opravdanost zamene postojećih kotlova na mazut novim kotlom na biomasu u okviru sistema grejanja Instituta Vinča, Technical and economic feasibilityof replacing the existing heavy fuel boilers with new biomass boiler within the heating system of the institute Vinča",
pages = "204-213",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11605"
}

Đurović, D., Dakić, D., Repić, B.,& Paprika, M.. (2015). Tehnička i ekonomska opravdanost zamene postojećih kotlova na mazut novim kotlom na biomasu u okviru sistema grejanja Instituta Vinča. in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova
Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku., 204-213.
https://hdl.handle.net/21.15107/rcub_vinar_11605

Đurović D, Dakić D, Repić B, Paprika M. Tehnička i ekonomska opravdanost zamene postojećih kotlova na mazut novim kotlom na biomasu u okviru sistema grejanja Instituta Vinča. in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova. 2015;:204-213.
https://hdl.handle.net/21.15107/rcub_vinar_11605 .

Đurović, Dejan, Dakić, Dragoljub, Repić, Branislav, Paprika, Milijana, "Tehnička i ekonomska opravdanost zamene postojećih kotlova na mazut novim kotlom na biomasu u okviru sistema grejanja Instituta Vinča" in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova (2015):204-213,
https://hdl.handle.net/21.15107/rcub_vinar_11605 .

TY  - CONF
AU  - Mladenović, Milica
AU  - Dakić, Dragoljub
AU  - Nemoda, Stevan
AU  - Paprika, Milijana
AU  - Repić, Branislav
AU  - Živković, Goran
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11606
AB  - Uprkos činjenici da se upotreba biomase preporučuje sa stanovišta očuvanja životne sredine, usled značajno manje emisije štetnih gasova nego pri sagorevanju uglja, kao najzastupljenijeg domaćeg fosilnog goriva, veoma je značajno praćenje emisije iz dimnih gasova i dobro razumevanje procesa koji utiču na smanjenje koncentracije polutanata. Emisija azotnih oksida (NOx) je jedan od najvećih izazova u tom pogledu. Poznavanje emisije ovih oksida prilikom sagorevanja biomase je neophono radi uspotavljanja korektnih zakonskih normi u pogledu granične emisije i za razvoj što kvalitetnijih tehnologoja za sagorevanje ove vrste goriva. U radu su date izmerene koncentracije azotnih oksida prilikom sagorevanja više vrsta biomase pri stacionarnim uslovima rada eksperimentalnih i demonstraciono - industrijskih postrojenja koja pripadaju dvema različitim tehnologijama: cigaretno sagorevanje balirane slame i sagorevanje u fluidizovanom sloju, kao i sveobuhvatna analiza složenih uticaja na emisiju NOx-a.
AB  - Emissions of nitrogen oxidesat the biomass combustion
PB  - Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku
C3  - 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova
T1  - Emisija azotnih oksida pri sagorevanju biomase
T1  - Emissions of nitrogen oxidesat the biomass combustion
SP  - 214
EP  - 223
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11606
ER  - 

@conference{
author = "Mladenović, Milica and Dakić, Dragoljub and Nemoda, Stevan and Paprika, Milijana and Repić, Branislav and Živković, Goran",
year = "2015",
abstract = "Uprkos činjenici da se upotreba biomase preporučuje sa stanovišta očuvanja životne sredine, usled značajno manje emisije štetnih gasova nego pri sagorevanju uglja, kao najzastupljenijeg domaćeg fosilnog goriva, veoma je značajno praćenje emisije iz dimnih gasova i dobro razumevanje procesa koji utiču na smanjenje koncentracije polutanata. Emisija azotnih oksida (NOx) je jedan od najvećih izazova u tom pogledu. Poznavanje emisije ovih oksida prilikom sagorevanja biomase je neophono radi uspotavljanja korektnih zakonskih normi u pogledu granične emisije i za razvoj što kvalitetnijih tehnologoja za sagorevanje ove vrste goriva. U radu su date izmerene koncentracije azotnih oksida prilikom sagorevanja više vrsta biomase pri stacionarnim uslovima rada eksperimentalnih i demonstraciono - industrijskih postrojenja koja pripadaju dvema različitim tehnologijama: cigaretno sagorevanje balirane slame i sagorevanje u fluidizovanom sloju, kao i sveobuhvatna analiza složenih uticaja na emisiju NOx-a., Emissions of nitrogen oxidesat the biomass combustion",
publisher = "Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku",
journal = "28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova",
title = "Emisija azotnih oksida pri sagorevanju biomase, Emissions of nitrogen oxidesat the biomass combustion",
pages = "214-223",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11606"
}

Mladenović, M., Dakić, D., Nemoda, S., Paprika, M., Repić, B.,& Živković, G.. (2015). Emisija azotnih oksida pri sagorevanju biomase. in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova
Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku., 214-223.
https://hdl.handle.net/21.15107/rcub_vinar_11606

Mladenović M, Dakić D, Nemoda S, Paprika M, Repić B, Živković G. Emisija azotnih oksida pri sagorevanju biomase. in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova. 2015;:214-223.
https://hdl.handle.net/21.15107/rcub_vinar_11606 .

Mladenović, Milica, Dakić, Dragoljub, Nemoda, Stevan, Paprika, Milijana, Repić, Branislav, Živković, Goran, "Emisija azotnih oksida pri sagorevanju biomase" in 28. Međunarodni kongres o procesnoj industriji - PROCESING ′15 : zbornik radova (2015):214-223,
https://hdl.handle.net/21.15107/rcub_vinar_11606 .

TY  - JOUR
AU  - Nemoda, Stevan
AU  - Mladenović, Milica R.
AU  - Paprika, Milijana
AU  - Dakić, Dragoljub V.
AU  - Erić, Aleksandar
AU  - Komatina, Mirko
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/512
AB  - This paper deals with the numerical simulation of liquid fuel combustion in a fluidized reactor using two-fluid Eulerian-Eulerian fluidized bed modeling incorporating the kinetic theory of granular flow (KTGF) to gas and solid phase flow prediction. The comprehensive model of the complex processes in a fluidized combustion chamber incorporates, besides the prediction of gas and particular phase velocity fields, the energy equations for the gas and solid phase and the transport equations of conservation of chemical species with the source terms due to the conversion of chemical components. Numerical experiments showed that the coefficients in the model of inter-phase interaction drag force have a significant effect, and they have to be adjusted for each regime of fluidization. A series of numerical experiments was performed with combustion of liquid fuels in a fluidized bed (FB), with and without significant water content. The given estimations were related to the unsteady state, and the modeled period corresponds to the passing time of the flow through the reactor column. The numerical experiments were conducted to examine the impact of the water content in a liquid fuel on the global FB combustion kinetics.
T2  - Journal of the Serbian Chemical Society
T1  - Euler-Euler granular flow model of the combustion of liquid fuels in a fluidized reactor
VL  - 80
IS  - 3
SP  - 377
EP  - 389
DO  - 10.2298/JSC140130029N
ER  - 

@article{
author = "Nemoda, Stevan and Mladenović, Milica R. and Paprika, Milijana and Dakić, Dragoljub V. and Erić, Aleksandar and Komatina, Mirko",
year = "2015",
abstract = "This paper deals with the numerical simulation of liquid fuel combustion in a fluidized reactor using two-fluid Eulerian-Eulerian fluidized bed modeling incorporating the kinetic theory of granular flow (KTGF) to gas and solid phase flow prediction. The comprehensive model of the complex processes in a fluidized combustion chamber incorporates, besides the prediction of gas and particular phase velocity fields, the energy equations for the gas and solid phase and the transport equations of conservation of chemical species with the source terms due to the conversion of chemical components. Numerical experiments showed that the coefficients in the model of inter-phase interaction drag force have a significant effect, and they have to be adjusted for each regime of fluidization. A series of numerical experiments was performed with combustion of liquid fuels in a fluidized bed (FB), with and without significant water content. The given estimations were related to the unsteady state, and the modeled period corresponds to the passing time of the flow through the reactor column. The numerical experiments were conducted to examine the impact of the water content in a liquid fuel on the global FB combustion kinetics.",
journal = "Journal of the Serbian Chemical Society",
title = "Euler-Euler granular flow model of the combustion of liquid fuels in a fluidized reactor",
volume = "80",
number = "3",
pages = "377-389",
doi = "10.2298/JSC140130029N"
}

Nemoda, S., Mladenović, M. R., Paprika, M., Dakić, D. V., Erić, A.,& Komatina, M.. (2015). Euler-Euler granular flow model of the combustion of liquid fuels in a fluidized reactor. in Journal of the Serbian Chemical Society, 80(3), 377-389.
https://doi.org/10.2298/JSC140130029N

Nemoda S, Mladenović MR, Paprika M, Dakić DV, Erić A, Komatina M. Euler-Euler granular flow model of the combustion of liquid fuels in a fluidized reactor. in Journal of the Serbian Chemical Society. 2015;80(3):377-389.
doi:10.2298/JSC140130029N .

Nemoda, Stevan, Mladenović, Milica R., Paprika, Milijana, Dakić, Dragoljub V., Erić, Aleksandar, Komatina, Mirko, "Euler-Euler granular flow model of the combustion of liquid fuels in a fluidized reactor" in Journal of the Serbian Chemical Society, 80, no. 3 (2015):377-389,
https://doi.org/10.2298/JSC140130029N . .

TY  - JOUR
AU  - Paprika, Milijana
AU  - Komatina, Mirko
AU  - Dakić, Dragoljub V.
AU  - Živković, Goran S.
AU  - Mladenović, Milica R.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7069
AB  - The paper presents a comparison between experimental and model results of primary fragmentation of a lignite coal in a fluidized bed (FB). In the experiments, the char particle size distribution and the general indicators of primary fragmentation (intensity and index) were determined. The same parameters were calculated using a mathematical model of the process, fed by data of the fuel (the amount of volatiles and fixed carbon), fluidized bed temperature; and inlet particle size distribution. The size distribution and number of the char particles in fluidized bed significantly differ from the size distribution and number of inlet coal particles. Char population has a bimodal distribution separate distributions for the smaller and larger sets of fragments. The experimental and model results show the same tendency: a coal particle partially breaks at the beginning of devolatilization, giving a large number of fine fragments, while, as the process continues, the rest of the parent particle sometimes breaks down into a smaller number of larger pieces, and sometimes does not fragment at all. Review of the Weibull distribution coefficients enables prediction of the char particle size distribution for the characteristic fluidized bed conditions and inlet coal particle sizes.
T2  - Energy and Fuels
T1  - Experimental and Numerical Investigation of the Primary Fragmentation of a Lignite during Fluidized-Bed (FB) Devolatilization
VL  - 29
IS  - 5
SP  - 3394
EP  - 3398
DO  - 10.1021/ef5024803
ER  - 

@article{
author = "Paprika, Milijana and Komatina, Mirko and Dakić, Dragoljub V. and Živković, Goran S. and Mladenović, Milica R.",
year = "2015",
abstract = "The paper presents a comparison between experimental and model results of primary fragmentation of a lignite coal in a fluidized bed (FB). In the experiments, the char particle size distribution and the general indicators of primary fragmentation (intensity and index) were determined. The same parameters were calculated using a mathematical model of the process, fed by data of the fuel (the amount of volatiles and fixed carbon), fluidized bed temperature; and inlet particle size distribution. The size distribution and number of the char particles in fluidized bed significantly differ from the size distribution and number of inlet coal particles. Char population has a bimodal distribution separate distributions for the smaller and larger sets of fragments. The experimental and model results show the same tendency: a coal particle partially breaks at the beginning of devolatilization, giving a large number of fine fragments, while, as the process continues, the rest of the parent particle sometimes breaks down into a smaller number of larger pieces, and sometimes does not fragment at all. Review of the Weibull distribution coefficients enables prediction of the char particle size distribution for the characteristic fluidized bed conditions and inlet coal particle sizes.",
journal = "Energy and Fuels",
title = "Experimental and Numerical Investigation of the Primary Fragmentation of a Lignite during Fluidized-Bed (FB) Devolatilization",
volume = "29",
number = "5",
pages = "3394-3398",
doi = "10.1021/ef5024803"
}

Paprika, M., Komatina, M., Dakić, D. V., Živković, G. S.,& Mladenović, M. R.. (2015). Experimental and Numerical Investigation of the Primary Fragmentation of a Lignite during Fluidized-Bed (FB) Devolatilization. in Energy and Fuels, 29(5), 3394-3398.
https://doi.org/10.1021/ef5024803

Paprika M, Komatina M, Dakić DV, Živković GS, Mladenović MR. Experimental and Numerical Investigation of the Primary Fragmentation of a Lignite during Fluidized-Bed (FB) Devolatilization. in Energy and Fuels. 2015;29(5):3394-3398.
doi:10.1021/ef5024803 .

Paprika, Milijana, Komatina, Mirko, Dakić, Dragoljub V., Živković, Goran S., Mladenović, Milica R., "Experimental and Numerical Investigation of the Primary Fragmentation of a Lignite during Fluidized-Bed (FB) Devolatilization" in Energy and Fuels, 29, no. 5 (2015):3394-3398,
https://doi.org/10.1021/ef5024803 . .

TY  - JOUR
AU  - Đurović, Dejan R.
AU  - Nemoda, Stevan
AU  - Repić, Branislav
AU  - Dakić, Dragoljub V.
AU  - Adžić, Miroljub M.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/387
AB  - In this paper has been shown improvement of the existing furnace for biomass combustion in the way of improving energy efficiency and meeting environmental protection criteria. One of the main problems during baled biomass combustion process is high CO emission due to incomplete combustion of flue gases. By proper furnace dimensioning that problem can be avoided and also high investment costs can be reduced, since the cost of the furnace is 30-40% of total biomass plant costs. Two-dimensional turbulent flow model with homogeneous chemical reactions has been developed. Turbulent flow is considered using time averaging Navier-Stokes equations that are closed by k-epsilon turbulence model. Calculations based on the proposed models were conducted using commercial CFD package FLUENT. Accuracy of the model has been previously confirmed with experimental data obtained on the existing furnace. Comparative analysis of the results of modeling existing and proposed (improved) furnace has shown lower CO emission (more than 50% less CO emission) at the proposed furnace outlet. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Renewable Energy
T1  - Influence of biomass furnace volume change on flue gases burn out process
VL  - 76
SP  - 1
EP  - 6
DO  - 10.1016/j.renene.2014.11.007
ER  - 

@article{
author = "Đurović, Dejan R. and Nemoda, Stevan and Repić, Branislav and Dakić, Dragoljub V. and Adžić, Miroljub M.",
year = "2015",
abstract = "In this paper has been shown improvement of the existing furnace for biomass combustion in the way of improving energy efficiency and meeting environmental protection criteria. One of the main problems during baled biomass combustion process is high CO emission due to incomplete combustion of flue gases. By proper furnace dimensioning that problem can be avoided and also high investment costs can be reduced, since the cost of the furnace is 30-40% of total biomass plant costs. Two-dimensional turbulent flow model with homogeneous chemical reactions has been developed. Turbulent flow is considered using time averaging Navier-Stokes equations that are closed by k-epsilon turbulence model. Calculations based on the proposed models were conducted using commercial CFD package FLUENT. Accuracy of the model has been previously confirmed with experimental data obtained on the existing furnace. Comparative analysis of the results of modeling existing and proposed (improved) furnace has shown lower CO emission (more than 50% less CO emission) at the proposed furnace outlet. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Renewable Energy",
title = "Influence of biomass furnace volume change on flue gases burn out process",
volume = "76",
pages = "1-6",
doi = "10.1016/j.renene.2014.11.007"
}

Đurović, D. R., Nemoda, S., Repić, B., Dakić, D. V.,& Adžić, M. M.. (2015). Influence of biomass furnace volume change on flue gases burn out process. in Renewable Energy, 76, 1-6.
https://doi.org/10.1016/j.renene.2014.11.007

Đurović DR, Nemoda S, Repić B, Dakić DV, Adžić MM. Influence of biomass furnace volume change on flue gases burn out process. in Renewable Energy. 2015;76:1-6.
doi:10.1016/j.renene.2014.11.007 .

Đurović, Dejan R., Nemoda, Stevan, Repić, Branislav, Dakić, Dragoljub V., Adžić, Miroljub M., "Influence of biomass furnace volume change on flue gases burn out process" in Renewable Energy, 76 (2015):1-6,
https://doi.org/10.1016/j.renene.2014.11.007 . .

TY  - CONF
AU  - Paprika, Milijana
AU  - Repić, Branislav
AU  - Dakić, Dragoljub
AU  - Mladenović, Milica
AU  - Erić, Aleksandar
AU  - Đurović, Dejan
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11607
AB  - Održivi razvoj podrazumeva sve veću potrebu za korišćenjem obnovljivih izvora energije, a biomasa predstavlja jedan najvećih potencijala ove vrste u Srbiji. U Laboratoriji za termotehniku i energetiku Instituta „Vinča“ razvijena je tehnologija cigaretnog sagorevanja balirane poljoprivredne biomase, a na osnovu nje izgrađen industrijski kotao toplotne snage 1,5 MW u okviru korporacije PKB Beograd za zagrevanje 1 ha plastenika. Gorivo su velike četvrtaste bale dimenzija 2,0x1,2x0,7 m, težine 200-250 kg. Konstrukcija i primenjena tehnologija sagorevanja rezultirali su kotlom približnih karakteristika kao što su kotlovi sličnih snaga koji koriste tečna ili gasovita goriva. Zbog toga ovaj kotao mora imati savremeni sistem regulacije snage. Za određenu snagu postrojenja sistem za automatsko upravljanje kotla treba da obezbedi kontinualno doziranje goriva, uz prateće promene vazduha za sagorevanje, odnosa primarnog i sekundarnog vazduha i protoka dimnog gasa. Mikroprocesorski računar upravlja snagom postrojenja, pri čemu se u isto vreme vrši kontinualno merenje i prikupljanje neophodnih podataka za periodične analize rada postrojenja. U radu su prikazani osnovni principi razvijenog upravljačkog sistema kotla od 1,5 MW na biomasu, kao i praktični rezultati primene ovog sistema.
PB  - Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku
C3  - 27. Međunarodni kongres o procesnoj industriji - PROCESING ′14 : zbornik radova
T1  - Osnovi sistema za automatsko upravljanje industrijskog kotla na biomasu
T1  - Fundamentals of automatic control system of an industrial biomass boiler
SP  - 1
EP  - 5
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11607
ER  - 

@conference{
author = "Paprika, Milijana and Repić, Branislav and Dakić, Dragoljub and Mladenović, Milica and Erić, Aleksandar and Đurović, Dejan",
year = "2014",
abstract = "Održivi razvoj podrazumeva sve veću potrebu za korišćenjem obnovljivih izvora energije, a biomasa predstavlja jedan najvećih potencijala ove vrste u Srbiji. U Laboratoriji za termotehniku i energetiku Instituta „Vinča“ razvijena je tehnologija cigaretnog sagorevanja balirane poljoprivredne biomase, a na osnovu nje izgrađen industrijski kotao toplotne snage 1,5 MW u okviru korporacije PKB Beograd za zagrevanje 1 ha plastenika. Gorivo su velike četvrtaste bale dimenzija 2,0x1,2x0,7 m, težine 200-250 kg. Konstrukcija i primenjena tehnologija sagorevanja rezultirali su kotlom približnih karakteristika kao što su kotlovi sličnih snaga koji koriste tečna ili gasovita goriva. Zbog toga ovaj kotao mora imati savremeni sistem regulacije snage. Za određenu snagu postrojenja sistem za automatsko upravljanje kotla treba da obezbedi kontinualno doziranje goriva, uz prateće promene vazduha za sagorevanje, odnosa primarnog i sekundarnog vazduha i protoka dimnog gasa. Mikroprocesorski računar upravlja snagom postrojenja, pri čemu se u isto vreme vrši kontinualno merenje i prikupljanje neophodnih podataka za periodične analize rada postrojenja. U radu su prikazani osnovni principi razvijenog upravljačkog sistema kotla od 1,5 MW na biomasu, kao i praktični rezultati primene ovog sistema.",
publisher = "Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku",
journal = "27. Međunarodni kongres o procesnoj industriji - PROCESING ′14 : zbornik radova",
title = "Osnovi sistema za automatsko upravljanje industrijskog kotla na biomasu, Fundamentals of automatic control system of an industrial biomass boiler",
pages = "1-5",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11607"
}

Paprika, M., Repić, B., Dakić, D., Mladenović, M., Erić, A.,& Đurović, D.. (2014). Osnovi sistema za automatsko upravljanje industrijskog kotla na biomasu. in 27. Međunarodni kongres o procesnoj industriji - PROCESING ′14 : zbornik radova
Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku., 1-5.
https://hdl.handle.net/21.15107/rcub_vinar_11607

Paprika M, Repić B, Dakić D, Mladenović M, Erić A, Đurović D. Osnovi sistema za automatsko upravljanje industrijskog kotla na biomasu. in 27. Međunarodni kongres o procesnoj industriji - PROCESING ′14 : zbornik radova. 2014;:1-5.
https://hdl.handle.net/21.15107/rcub_vinar_11607 .

Paprika, Milijana, Repić, Branislav, Dakić, Dragoljub, Mladenović, Milica, Erić, Aleksandar, Đurović, Dejan, "Osnovi sistema za automatsko upravljanje industrijskog kotla na biomasu" in 27. Međunarodni kongres o procesnoj industriji - PROCESING ′14 : zbornik radova (2014):1-5,
https://hdl.handle.net/21.15107/rcub_vinar_11607 .

TY  - JOUR
AU  - Repić, Branislav
AU  - Dakić, Dragoljub V.
AU  - Erić, Aleksandar
AU  - Đurović, Dejan M.
AU  - Marinković, Ana D.
AU  - Nemoda, Stevan
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5857
AB  - Biomass is deemed to be the main source of renewable energy in Serbia. Over the past couple of years, considerable efforts have been made to develop a technology which would enable biomass bales of various sizes and shapes to be used for energy production. A hot water boiler with cigarette type of combustion was constructed and used in the experimental investigation of biomass combustion phenomena. During the experiments performed, numerous parameters were measured: flue gas temperature, water temperature at the boiler inlet and outlet, while O-2, CO2, CO, SO2, and NOx content in the flue gas was measured at the boiler outlet. Experiments were performed with biomass feed rate of 0.12 kg/s, mean boiler output of 1.56 MW and mean excess air coefficient of 2.1. During the steady state boiler operation, exhaust gas temperature was measured to be around 150-160 degrees C and obtained CO and NOx emission rates were found to be quite acceptable. In addition, combustion of biomass bales in cigar burners was modelled by the means of appropriate numerical simulation. A good agreement between experimental and numerical results was obtained. (C) 2013 Elsevier Ltd. All rights reserved.
T2  - Biomass and Bioenergy
T1  - Investigation of the cigar burner combustion system for baled biomass
VL  - 58
SP  - 10
EP  - 19
DO  - 10.1016/j.biombioe.2013.10.016
ER  - 

@article{
author = "Repić, Branislav and Dakić, Dragoljub V. and Erić, Aleksandar and Đurović, Dejan M. and Marinković, Ana D. and Nemoda, Stevan",
year = "2013",
abstract = "Biomass is deemed to be the main source of renewable energy in Serbia. Over the past couple of years, considerable efforts have been made to develop a technology which would enable biomass bales of various sizes and shapes to be used for energy production. A hot water boiler with cigarette type of combustion was constructed and used in the experimental investigation of biomass combustion phenomena. During the experiments performed, numerous parameters were measured: flue gas temperature, water temperature at the boiler inlet and outlet, while O-2, CO2, CO, SO2, and NOx content in the flue gas was measured at the boiler outlet. Experiments were performed with biomass feed rate of 0.12 kg/s, mean boiler output of 1.56 MW and mean excess air coefficient of 2.1. During the steady state boiler operation, exhaust gas temperature was measured to be around 150-160 degrees C and obtained CO and NOx emission rates were found to be quite acceptable. In addition, combustion of biomass bales in cigar burners was modelled by the means of appropriate numerical simulation. A good agreement between experimental and numerical results was obtained. (C) 2013 Elsevier Ltd. All rights reserved.",
journal = "Biomass and Bioenergy",
title = "Investigation of the cigar burner combustion system for baled biomass",
volume = "58",
pages = "10-19",
doi = "10.1016/j.biombioe.2013.10.016"
}

Repić, B., Dakić, D. V., Erić, A., Đurović, D. M., Marinković, A. D.,& Nemoda, S.. (2013). Investigation of the cigar burner combustion system for baled biomass. in Biomass and Bioenergy, 58, 10-19.
https://doi.org/10.1016/j.biombioe.2013.10.016

Repić B, Dakić DV, Erić A, Đurović DM, Marinković AD, Nemoda S. Investigation of the cigar burner combustion system for baled biomass. in Biomass and Bioenergy. 2013;58:10-19.
doi:10.1016/j.biombioe.2013.10.016 .

Repić, Branislav, Dakić, Dragoljub V., Erić, Aleksandar, Đurović, Dejan M., Marinković, Ana D., Nemoda, Stevan, "Investigation of the cigar burner combustion system for baled biomass" in Biomass and Bioenergy, 58 (2013):10-19,
https://doi.org/10.1016/j.biombioe.2013.10.016 . .

TY  - JOUR
AU  - Mladenović, Milica R.
AU  - Nemoda, Stevan
AU  - Komatina, Mirko S.
AU  - Dakić, Dragoljub V.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5762
AB  - The paper deals with the development of mathematical models for detailed simulation of lateral jet penetration into the fluidized bed, primarily from the aspect of feeding of gaseous and liquid fuels into fluidized bed furnaces. For that purpose a series of comparisons has been performed between the results of in-house developed procedure fluid-porous medium numerical simulation of gaseous jet penetration into the fluidized bed, Fluents two-fluid Euler-Euler fluidized bed simulation model, and experimental results (from the literature) of gaseous jet penetration into the 2-D fluidized bed. The calculation results, using both models, and experimental data are in good agreement. The developed simulation procedures of jet penetration into the fluidized bed are applied to the analysis of the effects, which are registered during the experiments on a fluidized pilot furnace with feeding of liquid waste fuels into the bed, and brief description of the experiments is also presented in the paper. Registered effect suggests that the water in the fuel improved mixing of fuel and oxidizer in the fluidized bed furnace, by increasing jet penetration into the fluidized bed due to sudden evaporation of water at the entry into the furnace. In order to clarify this effect, numerical simulations of jet penetration into the fluidized bed with three-phase systems: gas (fuel, oxidizer, and water vapour), bed particles and water, have been carried out.
T2  - Thermal Science
T1  - Numerical Simulation of Non-Conventional Liquid Fuels Feeding in a Bubbling Fluidized Bed Combustor
VL  - 17
IS  - 4
SP  - 1163
EP  - 1179
DO  - 10.2298/TSCI121116007M
ER  - 

@article{
author = "Mladenović, Milica R. and Nemoda, Stevan and Komatina, Mirko S. and Dakić, Dragoljub V.",
year = "2013",
abstract = "The paper deals with the development of mathematical models for detailed simulation of lateral jet penetration into the fluidized bed, primarily from the aspect of feeding of gaseous and liquid fuels into fluidized bed furnaces. For that purpose a series of comparisons has been performed between the results of in-house developed procedure fluid-porous medium numerical simulation of gaseous jet penetration into the fluidized bed, Fluents two-fluid Euler-Euler fluidized bed simulation model, and experimental results (from the literature) of gaseous jet penetration into the 2-D fluidized bed. The calculation results, using both models, and experimental data are in good agreement. The developed simulation procedures of jet penetration into the fluidized bed are applied to the analysis of the effects, which are registered during the experiments on a fluidized pilot furnace with feeding of liquid waste fuels into the bed, and brief description of the experiments is also presented in the paper. Registered effect suggests that the water in the fuel improved mixing of fuel and oxidizer in the fluidized bed furnace, by increasing jet penetration into the fluidized bed due to sudden evaporation of water at the entry into the furnace. In order to clarify this effect, numerical simulations of jet penetration into the fluidized bed with three-phase systems: gas (fuel, oxidizer, and water vapour), bed particles and water, have been carried out.",
journal = "Thermal Science",
title = "Numerical Simulation of Non-Conventional Liquid Fuels Feeding in a Bubbling Fluidized Bed Combustor",
volume = "17",
number = "4",
pages = "1163-1179",
doi = "10.2298/TSCI121116007M"
}

Mladenović, M. R., Nemoda, S., Komatina, M. S.,& Dakić, D. V.. (2013). Numerical Simulation of Non-Conventional Liquid Fuels Feeding in a Bubbling Fluidized Bed Combustor. in Thermal Science, 17(4), 1163-1179.
https://doi.org/10.2298/TSCI121116007M

Mladenović MR, Nemoda S, Komatina MS, Dakić DV. Numerical Simulation of Non-Conventional Liquid Fuels Feeding in a Bubbling Fluidized Bed Combustor. in Thermal Science. 2013;17(4):1163-1179.
doi:10.2298/TSCI121116007M .

Mladenović, Milica R., Nemoda, Stevan, Komatina, Mirko S., Dakić, Dragoljub V., "Numerical Simulation of Non-Conventional Liquid Fuels Feeding in a Bubbling Fluidized Bed Combustor" in Thermal Science, 17, no. 4 (2013):1163-1179,
https://doi.org/10.2298/TSCI121116007M . .

TY  - JOUR
AU  - Paprika, Milijana
AU  - Komatina, Mirko S.
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5848
AB  - The combination of temperature gradient and volatile release has been identified as the main cause for primary fragmentation (breakage of fuel particles during devolatilization). A mathematical model of the primary fragmentation in a fluidized bed has been developed, incorporating both causes. It takes into account the type of the coal, size of the coal particles, and the fluidized bed temperature. The model simulates fragmentation of a batch of coal particles. For each particle in the batch, the model follows propagation and merging of cracks, starting from randomly distributed pre-existing pores, leading to possible breakage of the particle. The model calculates volume of the fragmented particles and volume diameters, classifying them into size classes. For each size class, the number of particles is counted, and the mass fraction is calculated. The results are the distribution of mass and number of char particles after the devolatilization and the primary fragmentation parameters.
T2  - Energy and Fuels
T1  - Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed
VL  - 27
IS  - 9
SP  - 5488
EP  - 5494
DO  - 10.1021/ef400875q
ER  - 

@article{
author = "Paprika, Milijana and Komatina, Mirko S. and Dakić, Dragoljub V. and Nemoda, Stevan",
year = "2013",
abstract = "The combination of temperature gradient and volatile release has been identified as the main cause for primary fragmentation (breakage of fuel particles during devolatilization). A mathematical model of the primary fragmentation in a fluidized bed has been developed, incorporating both causes. It takes into account the type of the coal, size of the coal particles, and the fluidized bed temperature. The model simulates fragmentation of a batch of coal particles. For each particle in the batch, the model follows propagation and merging of cracks, starting from randomly distributed pre-existing pores, leading to possible breakage of the particle. The model calculates volume of the fragmented particles and volume diameters, classifying them into size classes. For each size class, the number of particles is counted, and the mass fraction is calculated. The results are the distribution of mass and number of char particles after the devolatilization and the primary fragmentation parameters.",
journal = "Energy and Fuels",
title = "Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed",
volume = "27",
number = "9",
pages = "5488-5494",
doi = "10.1021/ef400875q"
}

Paprika, M., Komatina, M. S., Dakić, D. V.,& Nemoda, S.. (2013). Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed. in Energy and Fuels, 27(9), 5488-5494.
https://doi.org/10.1021/ef400875q

Paprika M, Komatina MS, Dakić DV, Nemoda S. Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed. in Energy and Fuels. 2013;27(9):5488-5494.
doi:10.1021/ef400875q .

Paprika, Milijana, Komatina, Mirko S., Dakić, Dragoljub V., Nemoda, Stevan, "Prediction of Coal Primary Fragmentation and Char Particle Size Distribution in Fluidized Bed" in Energy and Fuels, 27, no. 9 (2013):5488-5494,
https://doi.org/10.1021/ef400875q . .

TY  - JOUR
AU  - Mladenović, Milica R.
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Mladenovic, Rastko V.
AU  - Erić, Aleksandar
AU  - Repić, Branislav
AU  - Komatina, Mirko S.
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4822
AB  - In this paper a method of examination of fuel suitability for fluidized bed combustion is presented. The research of combustion characteristics of low grade fractions of Lubnica brown coal in the fluidized bed by the aforementioned methodology has been carried out on a laboratory semi-industrial apparatus of 200 kW(t). Description of the experimental fluidized bed combustion facility is given, as well as experimental results, with the focus on furnace temperature distribution, in order to determine the location of the zone of intensive combustion. Based on investigation results, which are focused on combustion quality (combustion completion) as well as on satisfying the environmental protection criteria, it can be stated that the investigated coal is suitable for burning in bubbling, as well as in circulating fluidized bed.
T2  - Thermal Science
T1  - Combustion of Low Grade Fractions of Lubnica Coal in Fluidized Bed
VL  - 16
IS  - 1
SP  - 297
EP  - 311
DO  - 10.2298/TSCI1201297M
ER  - 

@article{
author = "Mladenović, Milica R. and Dakić, Dragoljub V. and Nemoda, Stevan and Mladenovic, Rastko V. and Erić, Aleksandar and Repić, Branislav and Komatina, Mirko S.",
year = "2012",
abstract = "In this paper a method of examination of fuel suitability for fluidized bed combustion is presented. The research of combustion characteristics of low grade fractions of Lubnica brown coal in the fluidized bed by the aforementioned methodology has been carried out on a laboratory semi-industrial apparatus of 200 kW(t). Description of the experimental fluidized bed combustion facility is given, as well as experimental results, with the focus on furnace temperature distribution, in order to determine the location of the zone of intensive combustion. Based on investigation results, which are focused on combustion quality (combustion completion) as well as on satisfying the environmental protection criteria, it can be stated that the investigated coal is suitable for burning in bubbling, as well as in circulating fluidized bed.",
journal = "Thermal Science",
title = "Combustion of Low Grade Fractions of Lubnica Coal in Fluidized Bed",
volume = "16",
number = "1",
pages = "297-311",
doi = "10.2298/TSCI1201297M"
}

Mladenović, M. R., Dakić, D. V., Nemoda, S., Mladenovic, R. V., Erić, A., Repić, B.,& Komatina, M. S.. (2012). Combustion of Low Grade Fractions of Lubnica Coal in Fluidized Bed. in Thermal Science, 16(1), 297-311.
https://doi.org/10.2298/TSCI1201297M

Mladenović MR, Dakić DV, Nemoda S, Mladenovic RV, Erić A, Repić B, Komatina MS. Combustion of Low Grade Fractions of Lubnica Coal in Fluidized Bed. in Thermal Science. 2012;16(1):297-311.
doi:10.2298/TSCI1201297M .

Mladenović, Milica R., Dakić, Dragoljub V., Nemoda, Stevan, Mladenovic, Rastko V., Erić, Aleksandar, Repić, Branislav, Komatina, Mirko S., "Combustion of Low Grade Fractions of Lubnica Coal in Fluidized Bed" in Thermal Science, 16, no. 1 (2012):297-311,
https://doi.org/10.2298/TSCI1201297M . .

TY  - JOUR
AU  - Đurović, Dejan R.
AU  - Nemoda, Stevan
AU  - Dakić, Dragoljub V.
AU  - Adžić, Miroljub M.
AU  - Repić, Branislav
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4888
AB  - As one of the most easily accessible renewable energy resources, straw can be burned to provide heat energy. In this paper, results of theoretical and experimental research conducted under the proceedings of mathematical - numerical modeling of turbulent reacting flows has been presented. Two-dimensional turbulent flow model with homogeneous chemical reactions has been developed. The proposed model has been analyzed on the example of adiabatic combustion chamber for combustion of agricultural biomass. Turbulent flow is considered using time averaging Navier-Stokes equations that are closed by k-epsilon turbulence model. Calculations based on the proposed models were conducted using commercial CFD package FLUENT 6.3.26. For the purposes of experimental research, measurements of fluid flow and thermal parameters, such as continuous measurement of temperature in different points in the workspace furnace, air flow, flue gas flow, continual analysis of combustion products as well as setting heat and material balance, were carried out. Comparative analysis of the results of experiments and calculations indicate satisfactory agreement between the model and experiment. (C) 2012 Elsevier Ltd. All rights reserved.
T2  - International Journal of Heat and Mass Transfer
T1  - Furnace for biomass combustion - Comparison of model with experimental data
VL  - 55
IS  - 15-16
SP  - 4312
EP  - 4317
DO  - 10.1016/j.ijheatmasstransfer.2012.03.079
ER  - 

@article{
author = "Đurović, Dejan R. and Nemoda, Stevan and Dakić, Dragoljub V. and Adžić, Miroljub M. and Repić, Branislav",
year = "2012",
abstract = "As one of the most easily accessible renewable energy resources, straw can be burned to provide heat energy. In this paper, results of theoretical and experimental research conducted under the proceedings of mathematical - numerical modeling of turbulent reacting flows has been presented. Two-dimensional turbulent flow model with homogeneous chemical reactions has been developed. The proposed model has been analyzed on the example of adiabatic combustion chamber for combustion of agricultural biomass. Turbulent flow is considered using time averaging Navier-Stokes equations that are closed by k-epsilon turbulence model. Calculations based on the proposed models were conducted using commercial CFD package FLUENT 6.3.26. For the purposes of experimental research, measurements of fluid flow and thermal parameters, such as continuous measurement of temperature in different points in the workspace furnace, air flow, flue gas flow, continual analysis of combustion products as well as setting heat and material balance, were carried out. Comparative analysis of the results of experiments and calculations indicate satisfactory agreement between the model and experiment. (C) 2012 Elsevier Ltd. All rights reserved.",
journal = "International Journal of Heat and Mass Transfer",
title = "Furnace for biomass combustion - Comparison of model with experimental data",
volume = "55",
number = "15-16",
pages = "4312-4317",
doi = "10.1016/j.ijheatmasstransfer.2012.03.079"
}

Đurović, D. R., Nemoda, S., Dakić, D. V., Adžić, M. M.,& Repić, B.. (2012). Furnace for biomass combustion - Comparison of model with experimental data. in International Journal of Heat and Mass Transfer, 55(15-16), 4312-4317.
https://doi.org/10.1016/j.ijheatmasstransfer.2012.03.079

Đurović DR, Nemoda S, Dakić DV, Adžić MM, Repić B. Furnace for biomass combustion - Comparison of model with experimental data. in International Journal of Heat and Mass Transfer. 2012;55(15-16):4312-4317.
doi:10.1016/j.ijheatmasstransfer.2012.03.079 .

Đurović, Dejan R., Nemoda, Stevan, Dakić, Dragoljub V., Adžić, Miroljub M., Repić, Branislav, "Furnace for biomass combustion - Comparison of model with experimental data" in International Journal of Heat and Mass Transfer, 55, no. 15-16 (2012):4312-4317,
https://doi.org/10.1016/j.ijheatmasstransfer.2012.03.079 . .

TY  - JOUR
AU  - Erić, Aleksandar
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Komatina, Mirko
AU  - Repić, Branislav
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5055
AB  - The paper presents the results of an experimental investigation conducted to determine the permeability coefficients and the stagnant thermal conductivity i.e. the thermo physical properties deemed to be the most important features of the bed material when considering combustion in pusher-type furnaces (i.e. combustion of biomass bales in cigar burners). The appropriate experimental methods have been developed and suitable experimental apparatus designed and constructed in order to determine permeability and stagnant thermal conductivity coefficient of the soybean straw bales. The experimental investigation conducted was aimed at examining the effects of relevant biomass bale parameters on the aforementioned coefficients. Based on the numerous measurements performed, correlations were obtained that are deemed highly important for optimization of the biomass bale combustion, as well as for modeling the transport phenomena occurring in the porous bed formed during biomass bales combustion in cigar burners. Data collected during the course of research investigation were used to develop a detailed CFD model of straw bales combustion in cigar burners. (C) 2012 Elsevier Ltd. All rights reserved.
T2  - Energy
T1  - Experimental determination thermo physical characteristics of balled biomass
VL  - 45
IS  - 1
SP  - 350
EP  - 357
DO  - 10.1016/j.energy.2012.02.063
ER  - 

@article{
author = "Erić, Aleksandar and Dakić, Dragoljub V. and Nemoda, Stevan and Komatina, Mirko and Repić, Branislav",
year = "2012",
abstract = "The paper presents the results of an experimental investigation conducted to determine the permeability coefficients and the stagnant thermal conductivity i.e. the thermo physical properties deemed to be the most important features of the bed material when considering combustion in pusher-type furnaces (i.e. combustion of biomass bales in cigar burners). The appropriate experimental methods have been developed and suitable experimental apparatus designed and constructed in order to determine permeability and stagnant thermal conductivity coefficient of the soybean straw bales. The experimental investigation conducted was aimed at examining the effects of relevant biomass bale parameters on the aforementioned coefficients. Based on the numerous measurements performed, correlations were obtained that are deemed highly important for optimization of the biomass bale combustion, as well as for modeling the transport phenomena occurring in the porous bed formed during biomass bales combustion in cigar burners. Data collected during the course of research investigation were used to develop a detailed CFD model of straw bales combustion in cigar burners. (C) 2012 Elsevier Ltd. All rights reserved.",
journal = "Energy",
title = "Experimental determination thermo physical characteristics of balled biomass",
volume = "45",
number = "1",
pages = "350-357",
doi = "10.1016/j.energy.2012.02.063"
}

Erić, A., Dakić, D. V., Nemoda, S., Komatina, M.,& Repić, B.. (2012). Experimental determination thermo physical characteristics of balled biomass. in Energy, 45(1), 350-357.
https://doi.org/10.1016/j.energy.2012.02.063

Erić A, Dakić DV, Nemoda S, Komatina M, Repić B. Experimental determination thermo physical characteristics of balled biomass. in Energy. 2012;45(1):350-357.
doi:10.1016/j.energy.2012.02.063 .

Erić, Aleksandar, Dakić, Dragoljub V., Nemoda, Stevan, Komatina, Mirko, Repić, Branislav, "Experimental determination thermo physical characteristics of balled biomass" in Energy, 45, no. 1 (2012):350-357,
https://doi.org/10.1016/j.energy.2012.02.063 . .

TY  - JOUR
AU  - Erić, Aleksandar
AU  - Dakić, Dragoljub V.
AU  - Nemoda, Stevan
AU  - Komatina, M.
AU  - Repić, Branislav
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4430
AB  - The paper presents results of experimental investigation conducted to determine permeability coefficient of a porous bed formed by biomass bales, whereby the said coefficient represents one of the most important parameters of the bed material specified when considering its combustion in the pusher-type furnaces (i.e. combustion of biomass bales in cigar burners). Correlations obtained are deemed very important for optimization of biomass bale combustion, as well as for modeling transport phenomena occurring in the porous bed formed by biomass bales during their combustion in cigar burners. In order to determine permeability coefficient of air flow through soy straw bales, appropriate experimental method was developed and suitable experimental apparatus designed and constructed. The relevant coefficients were determined in such manner as to be representative of the viscous and inertial terms of the Forchheimer equation. Experimental investigation conducted examined the effects of relevant biomass bale parameters i.e. porosity and the moisture content on the abovementioned Forchheimer coefficients. Measurements conducted, as well as analysis of the results obtained, defined functional dependencies of the permeability coefficients on the porosity (which was varied in the range 0.62-0.78, for moisture content of 0.0948) and the samples moisture content (which was varied in the range 0.0948-0.6394, for the selected value of porosity of 0.68) to be established. The correlations obtained are deemed suitable to be used in a broad spectrum of operating conditions that usually occur during real operation. Results obtained indicate that reduction in biomass bed porosity results in reduced permeability, with Forchheimer coefficients exhibiting a hyperbolic dependence on the bed porosity. Since it has been observed that increased moisture content of the sample (porosity value of 0.68) caused a decrease in permeability, a functional dependence of the sample moisture content on the porosity has been established. The dependence established is valid for the range of the sample moisture content between 0.0948 and 0.6394. Permeability coefficients, as well as their dependencies on the relevant factors (porosity and moisture content), represent basic data used in mathematical modeling of biomass bale combustion in cigar burners. In addition, the ones may also be very important when considering modifications of furnaces utilizing the combustion principle mentioned. (C) 2011 Elsevier Ltd. All rights reserved.
T2  - International Journal of Heat and Mass Transfer
T1  - Experimental method for determining Forchheimer equation coefficients related to flow of air through the bales of soy straw
VL  - 54
IS  - 19-20
SP  - 4300
EP  - 4306
DO  - 10.1016/j.ijheatmasstransfer.2011.05.015
ER  - 

@article{
author = "Erić, Aleksandar and Dakić, Dragoljub V. and Nemoda, Stevan and Komatina, M. and Repić, Branislav",
year = "2011",
abstract = "The paper presents results of experimental investigation conducted to determine permeability coefficient of a porous bed formed by biomass bales, whereby the said coefficient represents one of the most important parameters of the bed material specified when considering its combustion in the pusher-type furnaces (i.e. combustion of biomass bales in cigar burners). Correlations obtained are deemed very important for optimization of biomass bale combustion, as well as for modeling transport phenomena occurring in the porous bed formed by biomass bales during their combustion in cigar burners. In order to determine permeability coefficient of air flow through soy straw bales, appropriate experimental method was developed and suitable experimental apparatus designed and constructed. The relevant coefficients were determined in such manner as to be representative of the viscous and inertial terms of the Forchheimer equation. Experimental investigation conducted examined the effects of relevant biomass bale parameters i.e. porosity and the moisture content on the abovementioned Forchheimer coefficients. Measurements conducted, as well as analysis of the results obtained, defined functional dependencies of the permeability coefficients on the porosity (which was varied in the range 0.62-0.78, for moisture content of 0.0948) and the samples moisture content (which was varied in the range 0.0948-0.6394, for the selected value of porosity of 0.68) to be established. The correlations obtained are deemed suitable to be used in a broad spectrum of operating conditions that usually occur during real operation. Results obtained indicate that reduction in biomass bed porosity results in reduced permeability, with Forchheimer coefficients exhibiting a hyperbolic dependence on the bed porosity. Since it has been observed that increased moisture content of the sample (porosity value of 0.68) caused a decrease in permeability, a functional dependence of the sample moisture content on the porosity has been established. The dependence established is valid for the range of the sample moisture content between 0.0948 and 0.6394. Permeability coefficients, as well as their dependencies on the relevant factors (porosity and moisture content), represent basic data used in mathematical modeling of biomass bale combustion in cigar burners. In addition, the ones may also be very important when considering modifications of furnaces utilizing the combustion principle mentioned. (C) 2011 Elsevier Ltd. All rights reserved.",
journal = "International Journal of Heat and Mass Transfer",
title = "Experimental method for determining Forchheimer equation coefficients related to flow of air through the bales of soy straw",
volume = "54",
number = "19-20",
pages = "4300-4306",
doi = "10.1016/j.ijheatmasstransfer.2011.05.015"
}

Erić, A., Dakić, D. V., Nemoda, S., Komatina, M.,& Repić, B.. (2011). Experimental method for determining Forchheimer equation coefficients related to flow of air through the bales of soy straw. in International Journal of Heat and Mass Transfer, 54(19-20), 4300-4306.
https://doi.org/10.1016/j.ijheatmasstransfer.2011.05.015

Erić A, Dakić DV, Nemoda S, Komatina M, Repić B. Experimental method for determining Forchheimer equation coefficients related to flow of air through the bales of soy straw. in International Journal of Heat and Mass Transfer. 2011;54(19-20):4300-4306.
doi:10.1016/j.ijheatmasstransfer.2011.05.015 .

Erić, Aleksandar, Dakić, Dragoljub V., Nemoda, Stevan, Komatina, M., Repić, Branislav, "Experimental method for determining Forchheimer equation coefficients related to flow of air through the bales of soy straw" in International Journal of Heat and Mass Transfer, 54, no. 19-20 (2011):4300-4306,
https://doi.org/10.1016/j.ijheatmasstransfer.2011.05.015 . .

TY  - JOUR
AU  - Turanjanin, Valentina
AU  - Đurović, Dejan M.
AU  - Dakić, Dragoljub V.
AU  - Erić, Aleksandar
AU  - Repić, Branislav
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6833
AB  - Republic of Serbia consumes about 15 million tons of equivalent oil per year. At the same time potential of the renewable energy sources is about 3.5 Mtoe per year. Main renewable source is biomass, with its potential of about 2.6 Mtoe per year, and 60% of the total biomass source is of agricultural origin. Mainly, that type of biomass is collected, transported and stored in form of bales. At the same time in one of the largest agricultural companies in Serbia there are over 2000 ha of soya plantations, and also 4000 t per year of baled soya straw available, none of which being used for energy purposes. Therefore, efforts have been made in the Laboratory for Thermal Engineering and Energy of the Vinca Institute to develop a technology for utilizing bales of various sizes and shapes for energy production. Satisfactory test results of the I MW experimental facility - low CO levels and stable thermal output - led to the building-up of a 1.5 MW soya straw bales-fired hot water boiler, with cigarette type of combustion, for the purposes of greenhouse and office heating in the PKB. Further more, achieving good results in exploitation of that hot water boiler, the next step is building up the first combined heat and power (electricity) production facility, which will use agricultural biomass as a fuel, in Serbia.
T2  - Thermal Science
T1  - Development of the Boiler for Combustion of Agricultural Biomass By Products
VL  - 14
IS  - 3
SP  - 707
EP  - 714
DO  - 10.2298/TSCI091113001T
ER  - 

@article{
author = "Turanjanin, Valentina and Đurović, Dejan M. and Dakić, Dragoljub V. and Erić, Aleksandar and Repić, Branislav",
year = "2010",
abstract = "Republic of Serbia consumes about 15 million tons of equivalent oil per year. At the same time potential of the renewable energy sources is about 3.5 Mtoe per year. Main renewable source is biomass, with its potential of about 2.6 Mtoe per year, and 60% of the total biomass source is of agricultural origin. Mainly, that type of biomass is collected, transported and stored in form of bales. At the same time in one of the largest agricultural companies in Serbia there are over 2000 ha of soya plantations, and also 4000 t per year of baled soya straw available, none of which being used for energy purposes. Therefore, efforts have been made in the Laboratory for Thermal Engineering and Energy of the Vinca Institute to develop a technology for utilizing bales of various sizes and shapes for energy production. Satisfactory test results of the I MW experimental facility - low CO levels and stable thermal output - led to the building-up of a 1.5 MW soya straw bales-fired hot water boiler, with cigarette type of combustion, for the purposes of greenhouse and office heating in the PKB. Further more, achieving good results in exploitation of that hot water boiler, the next step is building up the first combined heat and power (electricity) production facility, which will use agricultural biomass as a fuel, in Serbia.",
journal = "Thermal Science",
title = "Development of the Boiler for Combustion of Agricultural Biomass By Products",
volume = "14",
number = "3",
pages = "707-714",
doi = "10.2298/TSCI091113001T"
}

Turanjanin, V., Đurović, D. M., Dakić, D. V., Erić, A.,& Repić, B.. (2010). Development of the Boiler for Combustion of Agricultural Biomass By Products. in Thermal Science, 14(3), 707-714.
https://doi.org/10.2298/TSCI091113001T

Turanjanin V, Đurović DM, Dakić DV, Erić A, Repić B. Development of the Boiler for Combustion of Agricultural Biomass By Products. in Thermal Science. 2010;14(3):707-714.
doi:10.2298/TSCI091113001T .

Turanjanin, Valentina, Đurović, Dejan M., Dakić, Dragoljub V., Erić, Aleksandar, Repić, Branislav, "Development of the Boiler for Combustion of Agricultural Biomass By Products" in Thermal Science, 14, no. 3 (2010):707-714,
https://doi.org/10.2298/TSCI091113001T . .

TY  - JOUR
AU  - Mladenovic, Rastko
AU  - Dakić, Dragoljub V.
AU  - Erić, Aleksandar
AU  - Mladenović, Milica R.
AU  - Paprika, Milijana
AU  - Repić, Branislav
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6802
AB  - In one of the largest agricultural companies in Serbia, with over 2000 ha of soya plantations, there are 4000 t/year of baled soya straw produced. Soya straw biomass is planned to be used as a renewable energy source for heating the greenhouses, with 5 ha in area. Therefore, efforts have been made to develop a technology for utilizing large bales of soya straw for energy production. In the first phase, a demo energy production facility-furnace was developed and built. The facility had been tested in order to examine the quality of combustion of large soya straw bales. Since experimental results of testing of this facility have proved to be very satisfactory, in the second phase of the development, a hot water boiler of similar characteristics (burning soya straw bales, with dimensions 0.7 x 1.2 x 2.7 m(3)) has been designed. (c) 2009 Elsevier Ltd. All rights reserved.
T2  - Energy
T1  - The boiler concept for combustion of large soya straw bales
VL  - 34
IS  - 5
SP  - 715
EP  - 723
DO  - 10.1016/j.energy.2009.02.003
ER  - 

@article{
author = "Mladenovic, Rastko and Dakić, Dragoljub V. and Erić, Aleksandar and Mladenović, Milica R. and Paprika, Milijana and Repić, Branislav",
year = "2009",
abstract = "In one of the largest agricultural companies in Serbia, with over 2000 ha of soya plantations, there are 4000 t/year of baled soya straw produced. Soya straw biomass is planned to be used as a renewable energy source for heating the greenhouses, with 5 ha in area. Therefore, efforts have been made to develop a technology for utilizing large bales of soya straw for energy production. In the first phase, a demo energy production facility-furnace was developed and built. The facility had been tested in order to examine the quality of combustion of large soya straw bales. Since experimental results of testing of this facility have proved to be very satisfactory, in the second phase of the development, a hot water boiler of similar characteristics (burning soya straw bales, with dimensions 0.7 x 1.2 x 2.7 m(3)) has been designed. (c) 2009 Elsevier Ltd. All rights reserved.",
journal = "Energy",
title = "The boiler concept for combustion of large soya straw bales",
volume = "34",
number = "5",
pages = "715-723",
doi = "10.1016/j.energy.2009.02.003"
}

Mladenovic, R., Dakić, D. V., Erić, A., Mladenović, M. R., Paprika, M.,& Repić, B.. (2009). The boiler concept for combustion of large soya straw bales. in Energy, 34(5), 715-723.
https://doi.org/10.1016/j.energy.2009.02.003

Mladenovic R, Dakić DV, Erić A, Mladenović MR, Paprika M, Repić B. The boiler concept for combustion of large soya straw bales. in Energy. 2009;34(5):715-723.
doi:10.1016/j.energy.2009.02.003 .

Mladenovic, Rastko, Dakić, Dragoljub V., Erić, Aleksandar, Mladenović, Milica R., Paprika, Milijana, Repić, Branislav, "The boiler concept for combustion of large soya straw bales" in Energy, 34, no. 5 (2009):715-723,
https://doi.org/10.1016/j.energy.2009.02.003 . .

TY  - JOUR
AU  - Nemoda, Stevan
AU  - Mladenović, Milica R.
AU  - Belošević, Srđan
AU  - Mladenovic, Rastko
AU  - Dakić, Dragoljub V.
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3726
AB  - The paper presents a fluid-porous medium model, developed for stationary 2D predictions of fluidized bed. Dense phase is considered a fixed porous medium, while gas-particle interactions and bubbling phase are modeled regarding balance of friction forces between gas and particles. Like referent measurements, predictions of lateral jet injection into the bed suggest the jet penetration length is strongly affected by fluid velocity at the nozzle outlet, while influences of the nozzle vertical position and inclination angle are not significant. Also, the fluid velocity and the nozzle vertical position exert pronounced effects on mixing rate of components (fuel and oxidizer). (C) 2009 Elsevier Ltd. All rights reserved.
T2  - International Journal of Heat and Mass Transfer
T1  - Numerical model of gaseous fuel jet injection into a fluidized furnace
VL  - 52
IS  - 15-16
SP  - 3427
EP  - 3438
DO  - 10.1016/j.ijheatmasstransfer.2009.02.045
ER  - 

@article{
author = "Nemoda, Stevan and Mladenović, Milica R. and Belošević, Srđan and Mladenovic, Rastko and Dakić, Dragoljub V.",
year = "2009",
abstract = "The paper presents a fluid-porous medium model, developed for stationary 2D predictions of fluidized bed. Dense phase is considered a fixed porous medium, while gas-particle interactions and bubbling phase are modeled regarding balance of friction forces between gas and particles. Like referent measurements, predictions of lateral jet injection into the bed suggest the jet penetration length is strongly affected by fluid velocity at the nozzle outlet, while influences of the nozzle vertical position and inclination angle are not significant. Also, the fluid velocity and the nozzle vertical position exert pronounced effects on mixing rate of components (fuel and oxidizer). (C) 2009 Elsevier Ltd. All rights reserved.",
journal = "International Journal of Heat and Mass Transfer",
title = "Numerical model of gaseous fuel jet injection into a fluidized furnace",
volume = "52",
number = "15-16",
pages = "3427-3438",
doi = "10.1016/j.ijheatmasstransfer.2009.02.045"
}

Nemoda, S., Mladenović, M. R., Belošević, S., Mladenovic, R.,& Dakić, D. V.. (2009). Numerical model of gaseous fuel jet injection into a fluidized furnace. in International Journal of Heat and Mass Transfer, 52(15-16), 3427-3438.
https://doi.org/10.1016/j.ijheatmasstransfer.2009.02.045

Nemoda S, Mladenović MR, Belošević S, Mladenovic R, Dakić DV. Numerical model of gaseous fuel jet injection into a fluidized furnace. in International Journal of Heat and Mass Transfer. 2009;52(15-16):3427-3438.
doi:10.1016/j.ijheatmasstransfer.2009.02.045 .

Nemoda, Stevan, Mladenović, Milica R., Belošević, Srđan, Mladenovic, Rastko, Dakić, Dragoljub V., "Numerical model of gaseous fuel jet injection into a fluidized furnace" in International Journal of Heat and Mass Transfer, 52, no. 15-16 (2009):3427-3438,
https://doi.org/10.1016/j.ijheatmasstransfer.2009.02.045 . .

TY  - JOUR
AU  - Repić, Branislav
AU  - Dakić, Dragoljub V.
AU  - Paprika, Milijana
AU  - Mladenovic, Rastko V.
AU  - Erić, Aleksandar
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6787
AB  - There is a growing need for the use of alternative and renewable energy sources, in terms of sustainable energy development. One of the potentially biggest renewable energy sources in Serbia is agricultural biomass, quite available and cheap at the moment. For many years, the Vinca Institute of Nuclear Sciences, Laboratory for Thermal Engineering and Energy, has been working on the development of clean technologies for efficient utilization of biomass, and as a result utilities and equipment (boilers and furnaces) with wide range of use have been developed. These devices have complete combustion control and primarily burn baled biomass with no adequate utilization. The results of the development and of the tests of an experimental demonstrativel boiler burning small bales of soya straw have been presented in this paper. In the boiler, the combustion has been organised on the cigarette burning principle, and fuel feeding has been done by gravity The technical scheme of the boiler and the results of preliminary tests carried out in real operation conditions ham been given.
T2  - Thermal Science
T1  - Soya Straw Bales Combustion in High-Efficient Boiler
VL  - 12
IS  - 4
SP  - 51
EP  - 60
DO  - 10.2298/TSCI0804051R
ER  - 

@article{
author = "Repić, Branislav and Dakić, Dragoljub V. and Paprika, Milijana and Mladenovic, Rastko V. and Erić, Aleksandar",
year = "2008",
abstract = "There is a growing need for the use of alternative and renewable energy sources, in terms of sustainable energy development. One of the potentially biggest renewable energy sources in Serbia is agricultural biomass, quite available and cheap at the moment. For many years, the Vinca Institute of Nuclear Sciences, Laboratory for Thermal Engineering and Energy, has been working on the development of clean technologies for efficient utilization of biomass, and as a result utilities and equipment (boilers and furnaces) with wide range of use have been developed. These devices have complete combustion control and primarily burn baled biomass with no adequate utilization. The results of the development and of the tests of an experimental demonstrativel boiler burning small bales of soya straw have been presented in this paper. In the boiler, the combustion has been organised on the cigarette burning principle, and fuel feeding has been done by gravity The technical scheme of the boiler and the results of preliminary tests carried out in real operation conditions ham been given.",
journal = "Thermal Science",
title = "Soya Straw Bales Combustion in High-Efficient Boiler",
volume = "12",
number = "4",
pages = "51-60",
doi = "10.2298/TSCI0804051R"
}

Repić, B., Dakić, D. V., Paprika, M., Mladenovic, R. V.,& Erić, A.. (2008). Soya Straw Bales Combustion in High-Efficient Boiler. in Thermal Science, 12(4), 51-60.
https://doi.org/10.2298/TSCI0804051R

Repić B, Dakić DV, Paprika M, Mladenovic RV, Erić A. Soya Straw Bales Combustion in High-Efficient Boiler. in Thermal Science. 2008;12(4):51-60.
doi:10.2298/TSCI0804051R .

Repić, Branislav, Dakić, Dragoljub V., Paprika, Milijana, Mladenovic, Rastko V., Erić, Aleksandar, "Soya Straw Bales Combustion in High-Efficient Boiler" in Thermal Science, 12, no. 4 (2008):51-60,
https://doi.org/10.2298/TSCI0804051R . .