二维码（扫一下试试看！） | | DNAN基熔铸炸药JWL状态方程参数的预估方法 | | A Method to Predict JWL Equation of State Parameters for DNAN Based Melt-Cast Explosives | | 投稿时间：2016-04-11 | | DOI：10.15918/j.tbit1001-0645.2017.02.006 | | 中文关键词:DNAN基熔铸炸药BKW状态方程JWL状态方程 | | English Keywords:DNAN based melt-cast explosivesBKW equation of status(EOS)JWL equation of status (EOS) | | 基金项目:国家部委预研项目（00401030101） | | | 摘要点击次数:946 | | 全文下载次数:1220 | | 中文摘要: | | 针对战斗部毁伤威力要求，需通过状态方程预估炸药的做功能力以开展DNAN基熔铸炸药配方设计.采用一种基于BKW程序的方法预估炸药JWL状态方程参数.计算了典型炸药JWL状态方程参数，对比爆轰产物膨胀过程的计算p-V曲线和圆筒试验p-V曲线，两者在高压区和低压区基本重合，中压区的计算值稍大，但最大误差不超过10%；利用DNAN基熔铸炸药的JWL状态方程参数对炸药驱动铜板的过程进行数值模拟，对比铜板自由表面中心点速度的计算曲线和实验曲线，最大误差不超过7%.研究结果表明，在炸药配方设计阶段，可利用该方法快速预估DNAN基熔铸炸药JWL状态方程参数和做功能力. | | English Summary: | | The equation of status (EOS) should be used to predict power capability of explosives during the design of DNAN based melt-cast explosives to meet the requirements of warhead damage power. A method based on BKW program was used to predict JWL EOS parameters of explosives. The P-V curves of JWL EOS for typical explosives were achieved using the method. Comparisons of the calculated P-V curves with the cylinder test experimental P-V curves for typical explosives indicate that two curves agree very well at high and low pressure region, error less than 10% can be seen at medium pressure region. Acceleration process of copper plate was simulated with DNAN based melt-cast explosive JWL EOS parameters. The calculated velocity of central point in copper plate free surface agrees well with the experimental velocity of central point in copper plate free surface, the maximum error is less than 7%. Research results indicate that the method can be used to quickly predict the JWL EOS parameters and power capability of explosives during the period of designing DNAN based melt-cast explosive formulations. | | 查看全文查看/发表评论下载PDF阅读器 | |
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