Research On Launch Process Numerical Simulation And Experimental Of Spin-Type Intelligent Mine

Launch and fight process of intelligent mine is two important stages in the process of the damage the target, the two process for its precision and kill probability of transmission has a certain influence, in order to improve the precision and intelligence mine emission in meets the design requirements of postural stability in the process of flight, we launch process of intelligent mine and out of the muzzle after flight using combination of theoretical analysis, numerical simulation and experimental research method has carried on the systematic research, obtained the corresponding launch interior ballistic parameters and flight dynamics. The major works were done in this thesis as follows.1. The numerical simulation and experimental study of internal ballistic launch. Application of interior ballistics intelligent mine emission interior ballistic numerical model is established, using the fourth order Runge-Kutta method computer simulation program is compiled, the launch process of combustion chamber pressure, velocity, the projectile motion curve and parameters such as the projectile overload, and comparing with the related parameters in the experiments, can be calculated curve and curve in line with the experiment。2. The numerical calculation of interior ballistic of spin rocket. Application of the theory of solid rocket motor principle to establish the internal ballistic numerical model of rocket engine, using C language programming to the numerical simulation to get the pressure-time curve of rotary engine and thrust-time curve.3. The numerical calculation of intelligent mine flight dynamics. Application of advanced dynamics, rigid body dynamics principle established intelligent mine flight dynamics model of intelligent mine after launching the muzzle of flight, the intelligent mine in the process of flight parameters such as yaw Angle and pitching angle, rotation angular velocity variation law is obtained by calculation; Intelligent mine emission rotation experiment was carried out, the relevant analysis was carried out on the intelligent mine flight posture; The analyses of the structure and kinematic parameters and aerodynamic parameters influence on intelligent mine flight posture was carried out, which can provide theoretical basis for the structure design and optimization.