Ordonez-Miranda, J.

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  • Ordonez-Miranda, J. (1)
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Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments

Markushev, Dragan D.; Ordonez-Miranda, J.; Rabasović, Mihailo D.; Galović, Slobodanka; Todorovic, D. M.; Bialkowski, S. E.

(2015)

TY  - JOUR
AU  - Markushev, Dragan D.
AU  - Ordonez-Miranda, J.
AU  - Rabasović, Mihailo D.
AU  - Galović, Slobodanka
AU  - Todorovic, D. M.
AU  - Bialkowski, S. E.
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/645
AB  - The open-cell photoacoustic signal measured in the transmission configuration for aluminum thin plates with thicknesses of 280 mu m, 197 mu m, and 112 mu m is experimentally and theoretically analyzed, in the 20 Hz-7 kHz modulation frequency range. It is shown that the observed differences between the predictions of the standard thermoelastic model and the experiment data of both the amplitude and phase of the photoacoustic signal can be overcome by considering the aluminum samples coated with a thin layer of black paint as volume-absorber materials. This new approach provides a quite good agreement with the obtained experimental data, in the whole frequency range, and yields an effective absorption coefficient of (16 +/- 2) mm(-1), for a 280 mu m-thick sample. The introduction of the finite absorption coefficient led to the correct ratio between the thermal diffusion and thermoelastic components of the photoacoustic signal. Furthermore, it is found that the volume-absorber approach accurately describes the behavior of the amplitude, but not that of the phase recorded for a 112 mu m-thick sample, due to its relatively strong thermoelastic bending, which is not considered by this theory. Within the approximation of the small bending, the proposed volume-absorber model provides a reliable description of the photoacoustic signal for Al samples thicker than 112 mu m, and extends the applicability of the classical opaque approach. (C) 2015 AIP Publishing LLC.
T2  - Journal of Applied Physics
T1  - Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments
VL  - 117
IS  - 24
DO  - 10.1063/1.4922718
ER  - 
@article{
author = "Markushev, Dragan D. and Ordonez-Miranda, J. and Rabasović, Mihailo D. and Galović, Slobodanka and Todorovic, D. M. and Bialkowski, S. E.",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/645",
abstract = "The open-cell photoacoustic signal measured in the transmission configuration for aluminum thin plates with thicknesses of 280 mu m, 197 mu m, and 112 mu m is experimentally and theoretically analyzed, in the 20 Hz-7 kHz modulation frequency range. It is shown that the observed differences between the predictions of the standard thermoelastic model and the experiment data of both the amplitude and phase of the photoacoustic signal can be overcome by considering the aluminum samples coated with a thin layer of black paint as volume-absorber materials. This new approach provides a quite good agreement with the obtained experimental data, in the whole frequency range, and yields an effective absorption coefficient of (16 +/- 2) mm(-1), for a 280 mu m-thick sample. The introduction of the finite absorption coefficient led to the correct ratio between the thermal diffusion and thermoelastic components of the photoacoustic signal. Furthermore, it is found that the volume-absorber approach accurately describes the behavior of the amplitude, but not that of the phase recorded for a 112 mu m-thick sample, due to its relatively strong thermoelastic bending, which is not considered by this theory. Within the approximation of the small bending, the proposed volume-absorber model provides a reliable description of the photoacoustic signal for Al samples thicker than 112 mu m, and extends the applicability of the classical opaque approach. (C) 2015 AIP Publishing LLC.",
journal = "Journal of Applied Physics",
title = "Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments",
volume = "117",
number = "24",
doi = "10.1063/1.4922718"
}
Markushev, D. D., Ordonez-Miranda, J., Rabasović, M. D., Galović, S., Todorovic, D. M.,& Bialkowski, S. E. (2015). Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments.
Journal of Applied Physics, 117(24).
https://doi.org/10.1063/1.4922718
Markushev DD, Ordonez-Miranda J, Rabasović MD, Galović S, Todorovic DM, Bialkowski SE. Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments. Journal of Applied Physics. 2015;117(24)
Markushev Dragan D., Ordonez-Miranda J., Rabasović Mihailo D., Galović Slobodanka, Todorovic D. M., Bialkowski S. E., "Effect of the absorption coefficient of aluminium plates on their thermoelastic bending in photoacoustic experiments" Journal of Applied Physics, 117, no. 24 (2015),
https://doi.org/10.1063/1.4922718 .
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