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基于基元反应模型的H2-O2-N2爆轰数值模拟

DOI: 10.11858/gywlxb.2011.05.003, PP. 395-400

Keywords: 爆轰,加权本质无震荡格式,三波点,基元化学反应模型

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Abstract:

采用12组分、23个化学反应的基元化学反应模型,用5阶加权本质无震荡格式(WENO)、3阶TVDRunge-Kutta格式,对H2-O2-N2混合气体胞格爆轰进行了数值模拟。研究了一维ZND爆轰、自维持爆轰的详细结构以及三波点附近的流动结构。计算结果表明:由横波的压力可以显著促进二维爆轰波波阵面的形成;横波的运动生成三波点,三波点造成了爆轰的自维持传播。

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