Frequent accidents of coal mine gas cause huge losses to people′s lives and property.To Study the obstacles′ influence on the gas explosion is important for preventing and reducing the hazard.Horizontal pipeline explosion test equipment with L/D ratio of 70 was employed in studying the impact of the number of obstacles
the blocking rate and the distances of obstacles on the gas explosion at normal temperature and atmosphere.The results showed that: obstacles have significant incentive effects on gas explosion
effects of the number and the blocking rate are obvious
but effects of the distances are small.The results of the test provided some reference value on preventing and controlling the accidents of gas explosion.
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references
胡双启,张景林.燃烧与爆炸[M].北京:兵器工业出版社,1992.
司荣军,春秋,延松,等.瓦斯煤尘爆炸传播研究综述及展望[J].矿业安全与环保,2007,34(1):67-69.Si Rongjun,Chun Qiu,Yan Song,et al.Review and prospect for study of gas and coal-dust explosion propagation[J].Mining Safety&Environmental Protection,2007,34(1):67-69.(in Chinese)
徐景德.我国煤矿瓦斯爆炸的研究现状与发展方向[J].华北科技学院学报,2003,5(2):5-8.Xu Jingde.The actual condition and developing direction of gas explosion accidents studying in China[J].Journal ofNorth China Institute of Science and Technology,2003,5(2):5-8.(in Chinese)
林柏泉,周世宁,张仁贵.障碍物对瓦斯爆炸过程中火焰和爆炸波的影响[J].中国矿业大学学报,1999,28(2):104-107.Lin Baiquan,Zhou Shining,Zhang Rengui.Influence of barriers on flame transmission and explosion wave in gasexplosion[J].Journal of China University of China University of Mining&Mechnology,1999,28(2):104-107.(inChinese)
何学秋,杨艺,王恩元,等.障碍物对瓦斯爆炸火焰结构及火焰传播影响的研究[J].煤炭学报,2004,29(2):186-189.He Xueqiu,Yang Yi,Wang Enyuan,et al.Effects of obstacle on premixed flame microstructure and flamepropagation in methane/air explosion[J].Journal of China Coal Society,2004,29(2):186-189.(in Chinese)
丁以斌,郭子如,汪泉.置障条件下可燃气火焰传播的研究现状[J].工业安全与环保,2006,32(11):30-33.Ding Yibin,Guo Ziru,Wang Quan.Research status of flame propagation of combustible gas under conditions ofobstacles[J].Industrial Safety and Dust Control,2006,32(11):30-33.(in Chinese)
罗伟,吴红波,王学兵,等.置障下火焰传播速度及其超压的实验研究[J].火工品,2008(3):41-43.Luo Wei,Wu Hongbo,Wang Xuebing,et al.Experimental study on the flame propagation speed and overpressureunder obstacles[J].Initiators&Pyrotechnics,2008(3):41-43.(in Chinese)
余立新,孙文超,吴承康.障碍物结构对管道中预混火焰加速的影响[J].燃烧科学与技术,2002,6(8):483-486.Yu Lixin,Sun Wenchao,Wu Chengkang.Influence of the configuration of obstacles on premixed flameaccelerationin a tube[J].Journal of Combustion Science and Technology,2002,6(8):483-486.(in Chinese)
Masri A,Ibrahim S,Nehiat N,et al.Experimental study of premixed flame propagation over various solidobstructions[J].Experimental Thermal and Fluid Science,2000,21:109-116.
Phylaktou H,Andrews G E.Gas explosions in long closed vessels[J].Combustion Science and Technology,1991(77):27-39.
Andrews G E,Herath P,Phylaktou HN.The influence of flow blockage on the rate of pressure rise in Large L/Dcylindrical closed vessel explosions[J].Journal of Loss Prevention in the Process Industries,1990(3):291-302.