固体燃气发生器动力模拟水下发射试验研究

Investigation on simulated underwater projectile test by solid propellant gas generator

通过模拟水下试验,对导弹发射管充水工况下的固体燃气发生器动力发射技术进行了研究。结果表明,在发射管充水工况下燃气动力发射方式可行。与干式发射相比,该发射动力装置需要的装药量大,但发射管内的温度较低,热防护问题容易解决。在此基础上总结出发射深度、弹后空间、挡流板和装药量对发射内弹道的影响规律。试验表明,弹后空间越小,导弹出管速度越大;加装挡流板,可使导弹出管速度明显提高。通过试验对发射方案进行了优选。

The dynamical projectile technology of solid propellant gas generator under the water filling projectile-tube condition was investigated by means of simulation test. The results show gas dynamical projectile technology is practicable. Compared with dry launch, this kind of dynamical launch needs more propellant, but the thermal protection problem can be easily handled because of lower temperature in the projectile-tube. The effects of projectile depth, the distance behind missile, fluid-guard and propellant quantity on internal ballistics were summarized. The test results show that some measures can obviously improve exit tube velocity of missile, such as decrease of the distance behind missile, increase of projectile depth and installation of fluid-guard. The projectile scheme was optimized based on the tests.