能量因素对压缩空气弹射内弹道性能影响研究

Study on the Influence of Energy Factors on the Interior Ballistic Performance of Compressed Air Ejection

以大口径火箭弹压缩空气发射装置为研究对象,利用理论分析,确定影响内弹道性能的能量因素,并建立了不同空气压力、不同体积以及有、无泄漏的压缩空气弹射内弹道模型。通过对流固耦合数值仿真结果的分析,得到了弹药速度与时间、弹药速度与位移、弹药加速度与时间等关系,从而分析出能量因素对压缩空气弹射内弹道性能的影响。

For studying the compressed air ejection device of large-caliber rocket projectiles, the the- oretical analysis is used to identify energy factors that influence the interior ballistic performance, and in- terior ballistic models of compressed air ejection are set up based on different air pressure, different vol- ume, leakage and no leakage. Through analyzing the numerical simulation results of fluid-solid coupling, the relationships among ammunition velocity and time, ammunition velocity and displacement, ammuni- tion acceleration and time are got, and the influences of energy factors on the interior ballistic performance of compressed air ejection are acquired.