Analysis of Indoor Radon Distribution Within a Room By Means of Computational Fluid Dynamics (CFD) Simulation
Radon gas is recognized by international organizations such as the United States Environmental Protection Agency (US-EPA) as the main contributor of radiation environmental to which human beings are exposed. Therefore, the evaluation of indoor radon concentration is a matter of public interest. The emanation and the income of the gas inside a room will generate a negative impact on the quality of the air when the place is not properly ventilated. Understanding how this gas will be distributed inside the room will allow to predict the spatial and temporal variations of radon levels and identify these parameters will provide important information that researchers can be used for calculate radiation dose exposure. Consequently, this studies can prevent a health risk for the people that live or work within the room. Currently, several researchers use the technique called Computational Fluid Dynamics (CFD) to simulate the distribution of gas radon, making use of the various commercial programs that exist in the market. In this work, three simulations were developed in rooms that have a similar geometry but different dimensions, in order to observe how the gas is distributed inside a closed space and to analyze how this distribution varies when the volume of the place is increased. The results show that as the volume of the site increases the radon is mitigated more rapidly and therefore has lower levels of concentration of this gas, as long as the level of radon emanation is kept constant.
W. Dyck, Handbook of Exploration Geochemistry (Elsevier Science Ltd, The Netherlands, 2000), Vol. 7, Chap. 11, p. 353.
C.R. Cothern, Environmental Radon (Springer Science + Business Media, LLC, New York, 1987), Chap. 4, p. 81.
M. Al-Zoughool and D. Krewski, Int. J. Radiat. Biol. 85, 57 (2009). https://doi.org/10.1080/09553000802635054
A. Lima Flores, R. Palomino-Merino, E. Espinosa, V.M. Castaño, E. Merlo Juarez, M. Cruz Sánchez, and G. Espinosa, J. Nucl. Phy. Mat. Sci. Rad. A 4, 325 (2016). https://doi.org/10.15415/jnp.2016.41008
G. Espinosa and R.B. Gammage, Appl. Radiat. lsot. 44, 719 (1993). https://doi.org/10.1016/0969-8043(93)90138-Z
G. Espinosa, L. Manzanilla and R.B. Gammage, Radiat. Meas. 28, 667 (1997). https://doi.org/10.1016/S1350-4487(97)00161-3
C. Lee and D. Lee, Ann of Occup. and Environ Med. 28, 14 (2016). https://doi.org/10.1186/s40557-016-0097-0
G. Espinosa, J.I. Golzarri, A. Chavarria, and V.M. Castaño, Radiat. Meas. 50, 127 (2013). https://doi.org/10.1016/j.radmeas.2012.09.010
A. Lima Flores, R. Palomino-Merino, E.Moreno-Barbosa, J.N. Domínguez-Kondo, V.M. Castaño, A.C. Chavarría Sánchez, J.I. Golzarri, and G. Espinosa, J. Nucl. Phy. Mat. Sci. Rad. A 6, 61 (2018). https://doi.org/10.15415/jnp.2018.61010
United States Environmental Protection Agency, https://www.epa.gov/radiation/what-radon-gas-it-dangerous
G. Espinosa, Trazas Nucleares en Sólidos (Universidad Nacional Autónoma de México, Distrito Federal, 1994).
N. Chauhan, R.P. Chauhan, M. Joshi, T.K. Agarwal, P. Aggarwal, and B.K. Sahoo, J. Environ. Radioact. 136, 105 (2014). https://doi.org/10.1016/j.jenvrad.2014.05.020
J. Chen, N.M. Rahman, and I. Abu-Atiya, J. Environ. Radioact. 101, 317 (2010). https://doi.org/10.1016/j.jenvrad.2010.01.005
G. Keller, B. Hoffmann, and T. Feigenspan, Sci. Total Environ. 272, 85 (2001). https://doi.org/10.1016/s0048-9697(01)00669-6
A. Kumar, R.P. Chauhan, M, Joshi, and B.K. Sahoo, J. Environ. Radioact. 127, 50 (2014). https://doi.org/10.1016/j.jenvrad.2013.10.004
B.P. Jelle, K. Noreng, T.H. Erichsen and T. Strand, J. Build. Phys. 34, 195 (2011). https://doi.org/10.1177/1744259109358285
K. Akbari, J. Mahmoudi, and M. Ghanbari, J. Environ. Radioact. 116, 166 (2013). https://doi.org/10.1016/j.jenvrad.2012.08.013
V. Urosevic, D. Nikezic, and S. Vulovic, J. Environ. Radioact. 99, 1829 (2008). https://doi.org/10.1016/j.jenvrad.2008.07.010
W. Zhuo, T. Iida, J. Morizumi, T. Aoyagi, and I. Takahashi, Radiat. Prot. Dosim. 93, 357 (2001). https://doi.org/10.1093/oxfordjournals.rpd.a006448
C.E. Andersen, Sci. Total Environ. 272, 33 (2001). https://doi.org/10.1016/S0048-9697(01)00662-3
Copyright (c) 2020 A. Lima Flores et al.
This work is licensed under a Creative Commons Attribution 4.0 International License.
View Legal Code of the above-mentioned license, https://creativecommons.org/licenses/by/4.0/legalcode
View Licence Deed here https://creativecommons.org/licenses/by/4.0/
|Journal of Nuclear Physics, Material Sciences, Radiation and Applications by Chitkara University Publications is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at https://jnp.chitkara.edu.in/