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本文应用简化的力学计算模型描述打击速度为1.000—2.000米/秒时杀伤破片对有限厚度硬目标的侵彻过程,提出一种计算残余速度的公式;导出了临界比动能的计算式;进而应用统计推断方法研究了破片群的创伤规律,提出了一个新的击穿概率公式.最后把这三种计算式的计算结果和实测结果作了对比,其精度符合工程要求.本文提供的前两种计算式是目前没有而工程设计需要的,后一种计算式是对目前广泛使用的苏联公式的修正.
In this paper, a simplified mechanics calculation model is used to describe the penetration process of the kill fragment to a finite thickness hard target at a strike velocity of 1.000-2.000 m / s. A formula for calculating the residual velocity is proposed. The formula for calculating the critical specific kinetic energy is derived. Statistical inference method to study the trauma rules of the fragmentation group and put forward a new breakdown probability formula.Finally, the calculation results of these three formulas are compared with the measured results, the accuracy of which meets the requirements of the project.This article provides the first two The formulas are not currently required for engineering design. The latter formula is a revision of the Soviet formulas that are widely used today.