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辐射换热对巷道中火灾烟气流场的影响

Effect of the thermal radiation transfer on the flow-field of mining-fire period in mining

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【作者】 叶会华李明李文华郭仁宁黄志刚

【Author】 YE Hui hua 1,LI Ming 2, LI Wen hua 2,GUO Ren ning 2,HUANG Zhi gang 3(1 Department of Thermal Engineering,Tianjin Urban Construction Institute,Tianjin 300384,China;2 College of Mechanical Engineering, Liaoning Technical University,Fuxin 123000,China;3 College of Mechanical and Energy Engineering,Zhejiang University,Hangzhou 310027, China)

【机构】 天津城市建设学院热能工程系辽宁工程技术大学机械工程学院浙江大学机械与能源工程学院 天津 300384辽宁阜新 123000浙江杭州 310027

【摘要】 根据火灾巷道的具体边界条件和烟气传播介质特性建立了辐射换热的热流传输方程,对巷道中火灾烟气流场的能量传输方程进行了修正,得出在矿井巷道火灾烟气流场的理论计算中,辐射换热是不可忽略的重要因素,可为矿井灾变时的救灾决策提供更为准确的科学依据.

【Abstract】 The transmission equation of the heat flow of the thermal radiation transfer was built up by the material confined condition and the medium characteristic of the mining fire propagated.The energy transmission equation is corrected for the mining fire flow in mining. The results showed that the thermal radiation transmission is impossibility ignored in theory calculation for the equation of the energy transimission of the mining fire flow in mining,accurater and more scientific foundation is provided for the policy decision of the providing disaster relief when mining fire.

【关键词】 矿井火灾辐射换热流场
【Key words】 miningfirethermal radiation transferflow field
  • 【文献出处】 煤炭学报 ,Journal of China Coal Society , 编辑部邮箱 ,2003年05期
  • 【分类号】TD752
  • 【被引频次】4
  • 【下载频次】188
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