Based On The Muzzle Of The Non-lethal Speed Control Technology Research

This project is dedicated to the study of muzzle velocity control technology, which is based on the non-lethal weapons, and a velocity control method of leading powder gas through a gas-guide tube to the forward space in order to reduce the chamber and hinder the projectile’s motions is presented. On the purpose of studying the effect rules about the injury threshold, control range of velocity, positions and opening area of the hole, the theories and numerical calculations are combined in this paper to analyze the characteristics of external and internal ballistics, especially focusing on the movement process of the projectile and the variation of projectile velocity.The research background and key technologies of non-lethal weapons are introduced in this paper, and the achievements at home and abroad of the variable muzzle velocity are presented, and protocolling a overall velocity control program of non-lethal weapons system. External Ballistic characteristics and the relationship between injury threshold and muzzle velocity are analyzed according to the velocity control program, the movement process of projectile and powder gas in the gas-guide tube and the dynamics related are studied by establishing the dynamic model of internal ballistics. Runge-Kutta method and finite difference method are combined to calculate the kinetic equations, which achieved the effect laws of chamber and projectile velocity.The trajectories dynamics of the projectile, which muzzle velocity is controllable, are intactly analyzed, and a theoretical reference is provided for the study and design of the non-lethal weapons.