高低压燃烧室活塞抛撒动力学模型及影响因素研究

基于经典内弹道理论建立了高低压燃烧室活塞抛撒过程的动力学模型，利用4阶龙格-库塔方法编写了数值计算程序，以某子母战斗部为例进行计算，获得了抛撒过程中高低压室压力、子弹速度、加速度随时间的变化曲线.在此基础上计算分析了喷孔面积、药量和高低压室容积等因素对抛撒参数的影响，获得了压力、速度、加速度随上述因素的变化规律，计算结果符合实际变化规律，对子母战斗部活塞式抛撒机构设计具有借鉴和指导意义.

Kinetics Model and Effecting Factors Research of Piston Dispersing

Base on classical interior ballistics theory, kinetics model of piston dispersing for high-low pressure combustion chamber was established. Numerical calculation code was compiled by four-order Runge-Kutta method. A cluster warhead was calculated to obtain the pressure of high-low pressure combustion chamber, the velocity and acceleration of bullet. Changing rules of pressure,velocity and acceleration were acquired by analyzing the effect of fumarole area, powder mass and volume of combustion chamber for dispersing process. The calculated results are in agreement with actual changing rule, which has reference and guidance on the piston constructional design for cluster munitions.