[Ye, Yongjun; Xia, Ming; Shang, Shanwei; Chen, Daijia] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Hunan, Peoples R China.

[Ye, Yongjun; Xia, Ming; Shang, Shanwei; Chen, Daijia] Univ South China, Sch Resources & Environm Safety Engn, Hengyang 421001, Hunan, Peoples R China.

[Yan, Zhiguo] China Natl Nucl Corp, Fourth Res & Design Engn Corp, Shijiazhuang 050021, Peoples R China.

[Chung, Long Kiu] Univ Michigan, Dept Nucl Engn & Radiol Sci, 2355 Bonisteel Blvd, Ann Arbor, MI 48104 USA.

[Ye, YJ ] U

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

Computational fluid dynamics;Diffusion;Numerical models;Rocks;Different pressures;Estimation models;Porous cylinders;Pressure differences;Radon exhalation;Radon exhalation rate;Radon regulating zone;Roadway surrounding rock;Surrounding rock;Thick-walled;Radon;radon;radon;computational fluid dynamics;diffusion;estimation method;numerical model;permeability;pollutant removal;radon;road;air conditioning;airflow;Article;computational fluid dynamics;computer simulation;controlled study;diffusion coefficient;exhalation;highway;mathematical model;permeability;pressure;rock;exhalation;procedures;Exhalation;Radiation Monitoring;Radon

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