Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka
Investigation of the radon exhalation rate: an influence of humidity and a grain size
Аутори
Čeliković, Igor T.Đurašević, Mirjana M.
Ujić, Predrag
Repić, Predrag
Kandić, Aleksandar
Lončar, Boris B.
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj
koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma
je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije. U radu
je razmatrana zavisnost ekshalacije u odnosu na vlažnost kao i na sprašenost uzorka.
Brzina ekshalacije je merena metodom zatvorene komore, a sama koncentracija radona
aktivnim uređajem. Dobijeni rezultati ukazuju da brzina ekshalacije raste sa povećanjem vlažnosti uzorka i smanjenjem veličine zrna.
In this contribution, radon exhalation rate from travertine originating from Niška
Banja, Serbia was measured. This particular travertine, with a high 226Ra concentration
and high porosity, is ideal for testing various parameters that can influence radon
exhalation rate. The radon exhalation rate was investigated for different sizes of grains.
Grain sizes were dived into 4 groups: 1) 2.1 - 1.6 mm, 2.) 1.6 - 1.2 mm, 3.) 1.2 - 0.7 mm
i 4.) < 0.7 mm. Influence of the humidity on radon exhalation rate was also
investigated. Samples with the smallest grain size were exposed to 3 different levels of
humidity (dry sample, and two samples in which water content was around 10% and
20% of the mass of dry sample. An accumulation chamber method with an active device
RTM1688-2 was used to estimate radon exhalation rate from continuous measurement
of radon in the chamber. Obtained results indicate that radon exhalation rate is
increasing with an increase of humidity of the sample and with... an decrease of grain
size.
Извор:
29. симпозијум ДЗЗСЦГ : зборник радова, 2017, 225-231Издавач:
- Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе
Финансирање / пројекти:
- Нуклеарна физика, методе и примена (RS-MESTD-Basic Research (BR or ON)-171018)
- Физички и функционални ефекти интеракције зрачења са електротехничким и биолошким системима (RS-MESTD-Basic Research (BR or ON)-171007)
URI
https://vinar.vin.bg.ac.rs/handle/123456789/8278https://plus.sr.cobiss.net/opac7/bib/245691404
http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf
Колекције
Институција/група
VinčaTY - CONF AU - Čeliković, Igor T. AU - Đurašević, Mirjana M. AU - Ujić, Predrag AU - Repić, Predrag AU - Kandić, Aleksandar AU - Lončar, Boris B. PY - 2017 UR - https://vinar.vin.bg.ac.rs/handle/123456789/8278 UR - https://plus.sr.cobiss.net/opac7/bib/245691404 UR - http://dzz.org.rs/wp-content/uploads/2013/06/Zbornik_XXIX_Simpozijum_DZZ_SCG_Srebrno_jezero_2.pdf AB - U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije. U radu je razmatrana zavisnost ekshalacije u odnosu na vlažnost kao i na sprašenost uzorka. Brzina ekshalacije je merena metodom zatvorene komore, a sama koncentracija radona aktivnim uređajem. Dobijeni rezultati ukazuju da brzina ekshalacije raste sa povećanjem vlažnosti uzorka i smanjenjem veličine zrna. AB - In this contribution, radon exhalation rate from travertine originating from Niška Banja, Serbia was measured. This particular travertine, with a high 226Ra concentration and high porosity, is ideal for testing various parameters that can influence radon exhalation rate. The radon exhalation rate was investigated for different sizes of grains. Grain sizes were dived into 4 groups: 1) 2.1 - 1.6 mm, 2.) 1.6 - 1.2 mm, 3.) 1.2 - 0.7 mm i 4.) < 0.7 mm. Influence of the humidity on radon exhalation rate was also investigated. Samples with the smallest grain size were exposed to 3 different levels of humidity (dry sample, and two samples in which water content was around 10% and 20% of the mass of dry sample. An accumulation chamber method with an active device RTM1688-2 was used to estimate radon exhalation rate from continuous measurement of radon in the chamber. Obtained results indicate that radon exhalation rate is increasing with an increase of humidity of the sample and with an decrease of grain size. PB - Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе C3 - 29. симпозијум ДЗЗСЦГ : зборник радова T1 - Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka T1 - Investigation of the radon exhalation rate: an influence of humidity and a grain size SP - 225 EP - 231 UR - https://hdl.handle.net/21.15107/rcub_vinar_8278 ER -
@conference{ author = "Čeliković, Igor T. and Đurašević, Mirjana M. and Ujić, Predrag and Repić, Predrag and Kandić, Aleksandar and Lončar, Boris B.", year = "2017", abstract = "U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije. U radu je razmatrana zavisnost ekshalacije u odnosu na vlažnost kao i na sprašenost uzorka. Brzina ekshalacije je merena metodom zatvorene komore, a sama koncentracija radona aktivnim uređajem. Dobijeni rezultati ukazuju da brzina ekshalacije raste sa povećanjem vlažnosti uzorka i smanjenjem veličine zrna., In this contribution, radon exhalation rate from travertine originating from Niška Banja, Serbia was measured. This particular travertine, with a high 226Ra concentration and high porosity, is ideal for testing various parameters that can influence radon exhalation rate. The radon exhalation rate was investigated for different sizes of grains. Grain sizes were dived into 4 groups: 1) 2.1 - 1.6 mm, 2.) 1.6 - 1.2 mm, 3.) 1.2 - 0.7 mm i 4.) < 0.7 mm. Influence of the humidity on radon exhalation rate was also investigated. Samples with the smallest grain size were exposed to 3 different levels of humidity (dry sample, and two samples in which water content was around 10% and 20% of the mass of dry sample. An accumulation chamber method with an active device RTM1688-2 was used to estimate radon exhalation rate from continuous measurement of radon in the chamber. Obtained results indicate that radon exhalation rate is increasing with an increase of humidity of the sample and with an decrease of grain size.", publisher = "Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе", journal = "29. симпозијум ДЗЗСЦГ : зборник радова", title = "Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka, Investigation of the radon exhalation rate: an influence of humidity and a grain size", pages = "225-231", url = "https://hdl.handle.net/21.15107/rcub_vinar_8278" }
Čeliković, I. T., Đurašević, M. M., Ujić, P., Repić, P., Kandić, A.,& Lončar, B. B.. (2017). Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka. in 29. симпозијум ДЗЗСЦГ : зборник радова Београд : Институт за нуклеарне науке "Винча" : Друштво за заштиту од зрачења Србије и Црне Горе., 225-231. https://hdl.handle.net/21.15107/rcub_vinar_8278
Čeliković IT, Đurašević MM, Ujić P, Repić P, Kandić A, Lončar BB. Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka. in 29. симпозијум ДЗЗСЦГ : зборник радова. 2017;:225-231. https://hdl.handle.net/21.15107/rcub_vinar_8278 .
Čeliković, Igor T., Đurašević, Mirjana M., Ujić, Predrag, Repić, Predrag, Kandić, Aleksandar, Lončar, Boris B., "Ispitivanje brzine ekshalacije radona: uticaj sprašenosti i vlažnosti uzorka" in 29. симпозијум ДЗЗСЦГ : зборник радова (2017):225-231, https://hdl.handle.net/21.15107/rcub_vinar_8278 .