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RDX的一维快烤燃模型及计算

DOI: 10.11858/gywlxb.2013.03.008, PP. 367-371

Keywords: 快烤燃,黑索金(RDX),点火时间,数值计算

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Abstract:

以RDX(黑索金)为研究对象,基于气相点火机制,建立了强激光辐照金属密封炸药装置的快烤燃模型。模型包括金属壳体、气隙和炸药3部分,利用气隙的热传导描述金属和炸药之间的非理想热接触,考虑了炸药的分解、熔化和蒸发过程,采用多组分、多通道反应机制描述化学反应过程。编制了相应的计算程序,对RDX的激光快烤燃过程进行了数值计算,结果表明,RDX的快烤燃过程大致可以分为惰性热传导、温度和气相反应物的累积以及快速化学反应,直至点火几个阶段。

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