全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

瓦斯体积分数对火焰传播规律影响的实验研究

DOI: 10.15918/j.tbit1001-0645.2015.06.001

Keywords: 瓦斯 体积分数 障碍物 火焰传播

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究长直管道中体积分数对瓦斯爆炸的影响以及瓦斯爆炸火焰的传播特征,进行了有障碍物条件下不同体积分数的瓦斯爆炸实验,用高速摄影仪拍摄火焰阵面发展的过程. 实验结果表明,火焰在密闭管道中传播经历了多次振荡的过程,这是火焰前方未燃气体在压缩波的作用下形成湍流所致;瓦斯的体积分数对最大火焰速度和火焰最大传播距离有很大的影响;得出了障碍物对火焰的传播有加速作用,接近当量体积分数的瓦斯爆炸火焰传播速度最快,在一定条件下会发生爆燃转爆轰

References

[1]  陈东梁,孙金华,刘义,等.甲烷/空气预混气体火焰的传播特征[J].爆炸与冲击,2009,28(5):385-390. Chen Dongliang, Sun Jinhua, Liu Yi, et al. Characters of premixed methane and air mixture flame propagation[J]. Explosion and Shock Waves, 2009,28(5):385-390. (in Chinese)
[2]  Dorofeev S B. Flame acceleration and DDT in gas explosions[J]. Journal de Physique IV, 2002,12(7):3-10.
[3]  Zipf Jr R K, Gamezo V N, Sapko M J, et al. Methane-air detonation experiments at NIOSH Lake Lynn Laboratory[J]. Journal of Loss Prevention in the Process Industries, 2013, 26(2): 295-301.
[4]  Hjertager B H, Fuhre K, Bj?rkhaug M. Concentration effects on flame acceleration by obstacles in large-scale methane-air and propane-air vented explosions[J]. Combustion Science and Technology, 1988,62(4-6):239-256.
[5]  王磊,司荣军,张延松,等.瓦斯浓度对爆炸传播影响的实验研究[J].中国矿业,2009(5):107-109. Wang Lei, Si Rongjun, Zhang Yansong, et al. Experimental study about the effects of gas concentration on explosion propagation[J].China Mining Magzine, 2009(5):107-109. (in Chinese)
[6]  赵军凯,王磊,滑帅,等.瓦斯浓度对瓦斯爆炸影响的数值模拟研究[J].矿业安全与环保,2012,39(4):1-4. Zhao Junkai, Wang Lei, Hua Shuai, et al. Simulation investigation about the effects of gas concentration on explosion propagation[J]. Mining Safety and Environmental Protection, 2012,39(4):1-4. (in Chinese)
[7]  徐景德,周心权,吴兵.瓦斯浓度和火源对瓦斯爆炸传播影响的实验分析[J].煤炭科学技术,2001,29(11):15-17. Xu Jingde, Zhou Xinquan, Wu Bing.Experimental study about the effects of gas concentration and ignition source on explosion propagation[J]. Coal Science and Technology, 2001,29(11):15-17.(in Chinese)
[8]  牛芳,刘庆明,白春华,等.甲烷/空气预混气的火焰传播过程[J].北京理工大学学报,2012,32(增刊):441-445. Niu Fang, Liu Qingming, Bai Chunhua, et al. Observation of propagating flame of methane-air mixture[J]. Transactions of Beijing Institute of Technology, 2012,32(suppl):441-445. (in Chinese)
[9]  林柏泉,张仁贵,吕恒宏.瓦斯爆炸过程中火焰传播规律及其加速机理的研究[J].煤炭学报,1999,24(1):56-58. Lin Baiquan, Zhang Rengui, Lü Henghong. Investigation of flame propagation and acceleration under the progress of gas explosion[J]. Journal of China Coal Science, 1999,24(1):56-58. (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133