膛内自由空间对压力波影响的实验研究与数值模拟

Experimental Study and Numerical Simulation of Effects of the Free Volume in Guns on Pressure Waves

影响火炮膛内压力波的因素很多,其中药室内存的自由空间是一个主要的因素。本文用实验方法测定了自由空间与压力波幅值之间的定量关系,并用分区的内弹道均相流模型数值模拟了自由空间对膛内压力波的影响规律,得到了有意义的结论。

There are many factors affecting pressure waves in guns, among which the free volume in the charge chamber is a main one. This paper experimentally measures the quantitative relationship between the free volume and the amplitude of pressure waves and numerically simulates the influence pattern of the free volume on pressure waves in guns with the interior ballistic muti-region homogeneous phase flow model, and obtains the meanful results.