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含能材料  2013 

RDX基含铝炸药不同尺寸的圆筒试验及数值模拟

DOI: 10.3969/j.issn.1006-9941.2013.06.017

Keywords: 爆炸力学,含铝炸药,爆轰,圆筒试验,数值模拟

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Abstract:

为了研究RDX基含铝炸药在不同装药直径下的做功能力,进行了Φ25.4mm和Φ50.0mm两种尺寸的圆筒试验。试验结果表明,爆轰产物相对比容均为10时,Φ50.0mm比Φ25.4mm圆筒的膨胀速度提高约4.73%。此外,基于Lee-Tarver点火增长模型,采用有限元动力学程序LS-DYNA对两种尺寸的圆筒试验进行了数值模拟,并与试验结果相比较,确定了该含铝炸药爆轰产物的Jones-Wilkins-Lee状态方程和反应速率方程参数。

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