Modeling and experimental examination of water level effects on radon exhalation from fragmented uranium ore

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成果类型：

期刊论文

作者：

Ye, Yong-jun*;Dai, Xin-tao;Ding, De-xin;Zhao, Ya-li

通讯作者：

Ye, Yong-jun

作者机构：

[Ye, Yong-jun; Ding, De-xin] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Hunan, Peoples R China.

[Dai, Xin-tao; Ye, Yong-jun; Zhao, Ya-li] Univ South China, Sch Environm Protect & Safety Engn, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Ye, Yong-jun] U

Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Hunan, Peoples R China.

语种：

英文

关键词：

Air;Interface states;Models;Phase interfaces;Radon;Uranium;Water levels;Air water interfaces;Experimental apparatus;Experimental examination;One dimensional steady state;Radon concentrations;Radon exhalation rate;Steady-state condition;Uranium ore;Ores;radon;uranium;water;pollutant;radon;uranium;air-water interaction;concentration (composition);exhalative deposit;experimental study;numerical model;one-dimensional modeling;ore deposit;pollutant transport;radon;uranium;water level;air;Article;calculation;diffusion;exhalation;mathematical model;steady state;analysis;chemical model;pollutant;procedures;radiation monitoring;Models, Chemical;Radiation Monitoring;Radioactive Pollutants;Radon;Uranium

期刊：

Journal of Environmental Radioactivity

ISSN：

0265-931X

年：

2016

卷：

165

页码：

219-226

DOI：

10.1016/j.jenvrad.2016.10.009

基金类别：

This work was financially supported by National Natural Science Foundation of China (No. 11105069 and No. 11575080 ).

机构署名：

本校为第一且通讯机构

院系归属：

核资源工程学院

环境与安全工程学院

摘要：

In this study, a one-dimensional steady-state mathematical model of radon transport in fragmented uranium ore was established according to Fick's law and radon transfer theory in an air-water interface. The model was utilized to obtain an analytical solution for radon concentration in the air-water, two-phase system under steady state conditions, as well as a corresponding radon exhalation rate calculation formula. We also designed a one-dimensional experimental apparatus for simulating radon diffusion migration in the uranium ore with various ...

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Modeling and experimental examination of water level effects on radon exhalation from fragmented uranium ore

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