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泡沫陶瓷对瓦斯爆炸火焰传播的影响

Effect of Foam Ceramics Upon Gas Explosion Flame Propagation

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【Author】 NIE Bai-sheng1,2,HE Xue-qiu1,ZHANG Jin-feng3,GU Xiao-min1,2,HU Tie-zhu1,2,YANG Chun-li1,2(1.School of Resource and Safety Engineering,China University of Mining & Technology(Beijing),Beijing 100083,China;2.State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081,China;3.School of Environment Science and Engineering,Hebei University of Science & Technology,Shijiazhuang,Hebei 050018,China)

【机构】中国矿业大学(北京)资源与安全工程学院；河北科技大学环境科学与工程学院；

【摘要】为了有效抑制煤矿瓦斯爆炸的冲击波,设计加工了断面为200 mm×200 mm的方形爆炸实验管道,实验研究无障碍物条件下瓦斯爆炸火焰传播规律和泡沫陶瓷对瓦斯爆炸火焰传播的影响,并采用高速摄影系统对火焰的传播过程进行了拍摄.实验结果表明,管道内瓦斯爆炸火焰的传播速度和结构不稳定;泡沫陶瓷可以抑制火焰的传播,起到淬熄火焰的作用.研究结果对于防治煤矿瓦斯爆炸具有重要的使用价值和理论意义.更多还原

【Abstract】 In order to suppress gas explosion in coal mines,a square shape explosion test pipe with 200mm×200mm cross-section is designed and implemented.Methane explosion flame propagation characteristics without barrier and the effect of foam ceramics on gas explosion flame propagation are tested,and the flame propagation process is taken photo with high-speed photography system.The results showed that methane explosion flame propagation velocity and structure was instable,and foam ceramics could restrain flame propagation and had the effect of quenching flame.The results showed profound theoretical and practical significance to prevent gas explosion in coal mines.更多还原

【关键词】瓦斯爆炸；火焰传播；泡沫陶瓷；抑制；
【Key words】 gas explosion； flame propagation； foam ceramics； restrain；

【基金】国家自然科学基金资助项目(10672175);国家“十一五”科技支撑计划项目(2007BAK22B05);爆炸科学与技术国家重点实验室开放基金(KFJJ05-1)

【文献出处】北京理工大学学报 ,Transactions of Beijing Institute of Technology , 编辑部邮箱 ,2008年07期

【分类号】TD712.7
【被引频次】50
【下载频次】657

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