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PBX9501炸药冲击起爆初期反应流体动力学特性研究

DOI: 10.11858/gywlxb.2013.03.003, PP. 331-336

Keywords: 冲击起爆,反应速率,特征线,解析解

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Abstract:

通过简化状态方程、并假设反应速率是冲击波后时间的函数,可以得到冲击起爆反应流的解析模型。用此模型结合拉格朗日量计测量的粒子速度历史,在不知道反应速率具体形式的条件下,得到了粒子速度、压力、反应度和反应速率与冲击波波后时间的剖面,以及这些参量之间的相互关系。计算结果表明,碰撞面上粒子速度的衰减与反应程度有关,冲击波后反应速率的最大值出现在粒子速度峰值与压力峰值之间。

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