关键词: 流体力学 , 超高速 , 弹箭 , 外弹道 , 烧蚀

Abstract: The hypervelocity projectiles are easy to come forth aerodynamic heating and ablation pnenomena, when they flight. The distortion of ablation will affect air forces acting on the projectiles and their flight trajec?tories. The ablation distortion, air forces and exterior ballistics are interactional and interdependent. Thus, the flight trajectory solution for the hypervelocity projectiles is great different from general projectiles, and is focused in this paper. A numerical analysis for the flight trajectory was also carried out. Some results concluded are use?ful for further research.

Key words: fluid mechanics , hypervelocity , projectile , exterior ballisitics , ablation