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首页> 外文会议>The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)论文集 >Experimental Study and Attenuation Analysis of Methane Explosion Propagation in Porous Metallic Materials
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Experimental Study and Attenuation Analysis of Methane Explosion Propagation in Porous Metallic Materials

机译：多孔金属材料中甲烷爆炸传播的实验研究和衰减分析

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摘要

In order to explore the effects of porous metallic materials on methane explosion propagation, the propagation laws of flame and shock wave in porous metallic materials installed along duct were experimentally investigated and theoretically analyzed in this paper, according to reaction mechanism of gas explosion and characters of porous metallic materials. It shows that the porous metallic material can suppress the propagation and the suppression effect is related with the layers, length and porosity etc. The attenuation of methane explosion propagation in porous metallic material is analyzed from reducing energy, eliminating reflection wave and breaking reaction chain. The attenuation models, which are mass sink model, planar shock wave attenuation model and incline shock wave attenuation model, are established. The attenuation of methane explosion propagation in porous metal material is the result of multi-effects, which are mass sink effect, refection wave elimination, energy losing and reaction chain breaking. The result can offer technology help and theoretic base for suppression technology of gas explosion.
机译：为了探索多孔金属材料对甲烷爆炸传播的影响，根据气体爆炸的反应机理和反应的特点，对沿管道安装的多孔金属材料中火焰和冲击波的传播规律进行了实验研究和理论分析。多孔金属材料。结果表明，多孔金属材料具有抑制扩散的作用，其抑制效果与层数，长度和孔隙率等有关。从减少能量，消除反射波和破坏反应链的角度分析了多孔金属材料中甲烷爆炸传播的衰减。建立了质量沉模型，平面冲击波衰减模型和倾斜冲击波衰减模型。甲烷爆炸在多孔金属材料中传播的衰减是多种效应的结果，这些效应是质量吸收效应，消除回波，降低能量损失和反应链断裂。结果可为气体爆炸抑​​制技术提供技术帮助和理论基础。

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