Monte Carlo method for determining radon diffusion coefficients in porous media

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成果类型：

期刊论文

作者：

Feng, Sheng-yang*;Wang, Han-qing;Cui, Yu;Ye, Yong-jun;Li, Xiang-yang;...

通讯作者：

Feng, Sheng-yang

作者机构：

[Cui, Yu; Yang, Rong; Ye, Yong-jun; Feng, Sheng-yang; Li, Xiang-yang] Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Feng, Sheng-yang; Li, Xiang-yang] Hunan Prov Engn Technol Res Ctr Uranium Tailings, Hengyang 421001, Peoples R China.

[Wang, Han-qing; Xie, Dong] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[He, Zheng-zhong] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

通讯机构：

[Feng, Sheng-yang] U

Univ South China, Sch Environm & Safety Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Radon diffusion coefficient;Monte Carlo method;Fractal theory;Porous media

期刊：

Radiation Measurements

ISSN：

1350-4487

年：

2019

卷：

126

页码：

106130

DOI：

10.1016/j.radmeas.2019.106130

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11705083, 11575080]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2018M632975]; National Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2019JJ50488]; Hunan Province Engineering Research Center of Radioactive Control Technology in Uranium Mining and Metallurgy & Hunan Province Engineering Technology Research Center of Uranium Tailings Treatment Technology, University of South China

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

核科学技术学院

环境与安全工程学院

摘要：

Radon diffusivity is a key parameter for estimating radon emanation from porous media. We have developed a Monte Carlo method for determining radon diffusion coefficients in porous media. In the proposed method, the probability model for pore diameter derived from fractal theory is used to describe the microscopic pore structure of porous media. The Monte Carlo technique is utilized to search for the pore size that satisfies the probability model for porous media. The convergence rate of the proposed is fast (∼3 min). Radon diffusion coefficie...

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Monte Carlo method for determining radon diffusion coefficients in porous media

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