Study on air distribution characteristics and human thermal comfort of the refuge station under forced air supplying conditionChinese Full Text
WANG Shu;JIN Long-zhe;YANG Zhe;HUANG Zhi-ling;LI Fang-wei;OU Sheng-nan;Mine Emergency Technology Research Center,University of Science and Technology Beijing;
Abstract: In order to confirm reasonable air supply volume for refuge station in underground mine,the contaminant purification time,contaminant distribution（including CO and CO2）,ventilation efficiency,and human thermal comfort of unmanned/manned experiments under different ventilation conditions were numerical simulated through RNG κ-εmodel and SIMPLE method.The calculating results were compared with experimental ones then,and basically matched.The simulation results indicate that the forced air should supply no less than 0.1 m3/min per person in the scenario of high CO concentration inside the living section,and purification agent are recommended for use to accelerate purification process; when in normal refuge state,the basic request for both health and thermal comfort can be satisfied by supplying forced air at a lower rate of 600 m3/h,with local ventilation.
- DOI：
10.13225/j.cnki.jccs.2013.1160
- Series：
- Subject：
- Classification Code：
TD711
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