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一种杆式多爆炸成型侵彻体战斗部

     

摘要

In order to further improve the damage capacity of the multiple explosively formed penetrator (MEFP) warhead, we designed a rod-shaped and explosively formed penetrator warhead. We firstly investigated the formation process and scattering effect of the penetrator were investigated using numerical simulation, and presented a design of rod-shaped warhead penetrators based on the analysis of the influence of the warhead's outer linings on the penetrator's formation process. Then we fabricated two principal prototypes of the penetrator warhead, one with and the other without outer linings, and performed the static explosion experiments to find out about their damage effects. The results show that the average penetration depth on the 40 mm-thick-45 steel, 3 m apart from the detonation center by the warhead penetrators without outer linings, is 27 mm., while those with outer linings can completely penetrate the target. Moreover, the penetration results of the experiment and the simulation are consistent with each other, thereby concluding that our design can significantly improve the formation quality and the penetration power of the rod-shaped penetrators.%为进一步提高周向多爆炸成型侵彻体战斗部的毁伤效能,设计了一种爆炸成型杆式侵彻体战斗部.结合数值模拟方法,对侵彻体的成型过程及飞散效果进行模拟,分析了外衬对侵彻体成型质量的影响,并设计出侵彻体结构密实的杆式MEFP战斗部.制备了有外衬和无外衬两种战斗部原理样机并进行静爆实验.实验结果表明,无外衬战斗部成型侵彻体对3 m处40 mm厚45钢板平均穿深为27 mm,有外衬战斗部成型侵彻体可贯穿3 m处40 mm厚45钢板;侵彻体对靶板的侵彻实验结果与模拟结果一致.通过设计外衬结构,战斗部成型侵彻体的成型质量和侵彻威力都大幅度提高.

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