スリット板背後におけるデトネーション波の再開始過程 : スリット板形状の違いによる影響(熱工学,内燃機関,動力など)

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rights: 社団法人日本機械学会rights: 本文データは学協会の許諾に基づきCiNiiから複製したものであるrelation: IsVersionOf: http://ci.nii.ac.jp/naid/110006401679/Pressure and temperature behind a detonation wave are extremely high and have a potential to cause serious damages around it. Therefore, it is necessary from safety engineering point of view to decay the detonation wave with short distance from a generation of it. In this study, experiments are conducted in order to investigate behaviors of the detonation wave propagating into two pieces of slits, since the detonation wave might be quenched behind the slits by expansion waves generated at a corner of the slits and this behavior might be applicable to a technique of detonation-arrester. The detonation wave produced in a stoichiometric mixture of hydrogen and oxygen is propagated through the slits and behaviors of it are experimentally investigated by using a technique of pressure measurement, soot track record and high-speed schlieren photography. As a result, when the detonation wave propagated through the slits, a shock wave is decoupled with a reaction front. Two shock waves diffracted from the slits interact each other at center behind the slits, then this shock wave interaction induces a hot-spot enough to cause local explosion. Since, the shock wave is reflected from a tube-wall eventually, the detonation wave is re-initiated by mechanisms of shock-shock interaction or shock-wall interactions.
社団法人日本機械学会の論文
2007-08-25

スリット板背後におけるデトネーション波の再開始過程 : スリット板形状の違いによる影響(熱工学,内燃機関,動力など)

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