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Numerical simulation of radon ventilation optimization in filling stope of trackless Z-shaped roadway

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成果类型:
期刊论文
作者:
Yongjun Ye*;Xuanli Yao;Daijia Chen;Ning Zhou
通讯作者:
Yongjun Ye
作者机构:
[Xuanli Yao; Daijia Chen; Ning Zhou] School of Resources Environment and Safety Engineering, University of South China, Hengyang, 421001, China
Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China
National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, University of South China, Hengyang, 421001, China
[Yongjun Ye] School of Resources Environment and Safety Engineering, University of South China, Hengyang, 421001, China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China<&wdkj&>National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, University of South China, Hengyang, 421001, China
通讯机构:
[Yongjun Ye] S
School of Resources Environment and Safety Engineering, University of South China, Hengyang, 421001, China<&wdkj&>Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China<&wdkj&>National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, University of South China, Hengyang, 421001, China
语种:
英文
关键词:
Trackless Z-shaped filling stope;Numerical simulation;Air flow rate;Radon concentration;Adjustable air curtain
期刊:
Nuclear Engineering and Technology
ISSN:
1738-5733
年:
2025
卷:
57
期:
10
页码:
103691
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
摘要:
In order to study the laws of radon reduction ventilation in a stope with trackless Z-shaped filling method, the actual geometric structure, ventilation parameters, and radon exhalation rate of the exposed surface of this type of stope are determined. The air flow rate distribution, average radon concentration and the volume proportion exceeding the stipulated limit in stopes of different heights were studied by CFD method for the direct ventilation structure and the improved structure with adjustable air curtain. The results show that: 1) For the existing ventilation structure, with the incre...

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