摘要
运用计算流体力学,数值模拟了超声速空心弹在表面穿孔与无穿孔条件下的流场参数分布,并对弹体表面的压力分布进行了计算。结果表明,穿孔会使弹丸表面流场分布变得更加复杂,增加新的斜激波与膨胀波系,但对壁面的压力影响不大,而使弹丸尾部压力减小。
Under the Condition of perforation and non-perforation for the surface, the paper made the numerical simulation of flow field parameter distribution by means of computation fluid mechanics, and computed the pressure distribution of projectile surface. The results show that the perforation can make the flow field distribution of projectile surface become more complicated, and increase the oblique shock wave and dilatation wave system, but it hardly affects the piahbin pressure and makes the pressure of projectile trail decrease.
出处
《四川兵工学报》
CAS
2011年第11期60-62,共3页
Journal of Sichuan Ordnance
关键词
空心弹丸
穿孔
流场
表面压力
激波
hollowed bullet
perforation
flow field
surface pressure
shock wave
