内置式杀爆战斗部破片与外壳破片速度关系仿真分析

Engineering Calculation Method on the Relation Between the Velocity of Built-in Warhead Fragments and Shell

为探索内置式杀爆战斗部的毁伤效能,在定义有效膨胀率参数的基础上,应用爆轰产物绝热膨胀的指数关系式,对杀爆战斗部破片速度和战斗部舱外壳体破片速度进行了仿真。研究结果表明,战斗部舱外壳体的速度随战斗部舱内腔空间相对容积的增加而降低,并随战斗部舱外壳体壁厚的减小而增加,要解决杀爆战斗部破片与战斗部舱外壳体破片发生碰撞的问题,可以在减少战斗部舱内腔容积和降低战斗部舱壳体壁厚两方面进行协调。

To explore the impact of the fragments power on built-in warhead structure,we applied the exponential relation of adiabatic expansion for explosive products to estimate the velocity of warhead fragments and shell on the basis of defining the effective expansion rate,and the relation between the velocity of warhead fragments and shell was discussed on the estimation results. The re-search results show that the shell velocity decreases with the relative increase of the volume cavity space,and it increases with the relative decrease of the shell thickness. To solve the collision issue of fragments and shell,it can be coordinated in reducing the relative volume of the cavity and decrease the equivalent thickness of the shell.