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首页> 外文会议>2007采矿科学与安全技术国际学术会议 >Experimental Study on Flame Propagation Characteristics of Gas Explosion
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Experimental Study on Flame Propagation Characteristics of Gas Explosion

机译：瓦斯爆炸火焰传播特性的实验研究

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Early stage of gas explosion was tested in a self-designed quartz test tube with 6cm in inner diameter and 1.6m in length, and character of flame propagation was monitored with high-speed CCD camera. The result shows that it took 10-30ms for the gas to be ignited to form obvious and strong flame. There was catastrophe process during the course of flame propagation. The higher gas concentration, the shorter the induction and catastrophe time. Combustion wave accelerated and deflagrated after transmitting to 5-10 times of the test tube diameter and explosion flame sped up out of test tube.
机译：在自行设计的石英试管中测试了气体爆炸的早期阶段，该试管的内径为6cm，长度为1.6m，并使用高速CCD摄像机监控火焰传播的特性。结果表明，点燃气体需要10到30毫秒才能形成明显而强烈的火焰。火焰传播过程中发生了灾难性过程。气体浓度越高，诱导时间和灾难时间越短。燃烧波传播到试管直径的5到10倍后加速并爆燃，爆炸火焰从试管中扑出。

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