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含能材料  2009 

铝氧比对水中爆炸近场冲击波的影响

DOI: 10.3969/j.issn.1006-9941.2009.04.011

Keywords: 爆炸力学,含铝炸药,水中爆炸,铝氧比,近场冲击波

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Abstract:

为揭示铝氧比对水中爆炸近场冲击波压力的影响,对三种不同铝氧比的RDX/Al体系柱形装药进行了水中爆炸实验,通过高速扫描方法求解了水中爆炸近场冲击波峰值压力随传播距离的衰减规律,分析了所含铝氧比对冲击波初始压力峰值和压力峰值衰减的影响。结果表明,Al/O=0时,初始冲击波峰值压力达到了18.95GPa,Al/O=0.4时初始冲击波峰值压力约为13.66GPa,而Al/O=0.7时初始冲击波峰值压力约为8.35GPa,而峰值压力的衰减速率也随着铝含量的增加而降低。铝粉参加反应的时间、反应的程度等因素对近场冲击波初始峰值压力和峰值压力的衰减影响显著。

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