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Vestnik KRAUNC. Fiz.-Mat. Nauki, 2014, Number 1(8), Pages 81–85 (Mi vkam33)  

PHYSICS

In-situ measuring method of radon and thoron diffusion coefficient in soil

V. S. Yakovleva

National Research Tomsk Polytechnic University, 634050, Tomsk c., Lenin st., 30, Russia

Abstract: A simple and valid in-situ measurement method of effective diffusion coefficient of radon and thoron in soil and other porous materials was designed. The analysis of numerical investigation of radon and thoron transport in upper layers of soil revealed that thoron flux density from the earth surface does not depend on soil gas advective velocity and varies only with diffusion coefficient changes. This result showed the advantages of thoron using versus radon using in the suggested method. The comparison of the new method with existing ones previously developed. The method could be helpful for solving of problems of radon mass-transport in porous media and gaseous exchange between soil and atmosphere.

Keywords: radon, thoron, diffusion coefficient, soil, in-situ method, flux density.

DOI: https://doi.org/10.18454/2079-6641-2014-8-1-81-85

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UDC: 550.835.2
MSC: 76R50
Received: 20.05.2014

Citation: V. S. Yakovleva, “In-situ measuring method of radon and thoron diffusion coefficient in soil”, Vestnik KRAUNC. Fiz.-Mat. Nauki, 2014, no. 1(8), 81–85

Citation in format AMSBIB
\Bibitem{Yak14}
\by V.~S.~Yakovleva
\paper In-situ measuring method of radon and thoron diffusion coefficient in soil
\jour Vestnik KRAUNC. Fiz.-Mat. Nauki
\yr 2014
\issue 1(8)
\pages 81--85
\mathnet{http://mi.mathnet.ru/vkam33}
\crossref{https://doi.org/10.18454/2079-6641-2014-8-1-81-85}
\elib{http://elibrary.ru/item.asp?id=21624164}


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