基于数值仿真的水下火箭弹引信远解机构取压点优选

Pressure Detection Point Optimization for Delay Arming Device of Underwater Rocket Fuze Based on Numerical Simulation

为了获得某水下火箭弹引信远解机构的最佳取压点,采用数值仿真计算了42种情况下弹体压力分布情况.提出一种在考虑水深、攻角等因素影响时优选最佳取压点的方法,基于仿真结果,计算得到了最佳取压点.结果表明,优化后的方案具有较高的理论精度,解保距离理论散布在-6.5%～6.5%以内,可满足实际需要.利用水下弹道压力环境实现远距离解除保险是可行的,为水下火箭弹引信远解机构方案设计提供了参考.

In order to obtain the best pressure detection point of delay arming device of underwater rocket,the pressure distribution of projectile was calculated by numerical simulation in 42 cases.Considering the effect of factors such as water depth and angle of attack,a method of selecting the best pressure detection point was proposed.Based on simulation results,the optimal pressure detection point was gained by calculation.The results show that the optimized scheme has high theoretical precision,and the theoretical dispersion of arming distance is within-6.5%~6.5%,which can meet actual needs.The method of using underwater trajectory pressure environment to achieve delay arming is feasible,and it offers important reference for designing delay arming device of underwater rocket fuze.