运用流体力学数值计算软件对有头部攻角的弹丸气动性能进行了数值计算, 分析了有头部攻角弹 丸周围流场和作用在弹丸表面的空气动力. -The use of numerical fluid dynamics software to have the head of the projectile angle of attack aerodynamic performance of the numerical calculation, analysis of a head attack angle s