针对某型战机上挂载使用某型航空炸弹的问题,提出了一种炸弹弹道系数的符合计算方法。
In this paper aimed at the application problem of certain aviation bomb for a certain fighter, a coincidental calculation method of bomb ballistic coefficient is proposed.
该方法选用航空炸弹质点弹道模型,采用虚拟风洞数值模拟得到的炸弹阻力定律,结合实弹靶试数据,对弹道系数进行了符合计算。
In the method particle trajectory model of certain aviation bomb is chosen, drag law by the numerical simulation based on the virtual wind-tunnel is adopted.
建立了再入机动弹道数学模型,给出了气动力系数为速度、迎角、高度的函数拟合式,进行了最佳再入机动弹道设计和仿真计算。
The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
用固体火箭发动机中常用的瞬态平衡压强法对烟火剂式点火器内弹道性能进行了理论预示,并提出热损失系数的概念。
Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.
用增阻系数的概念,建立了增阻式射程弹道修正弹的质心运动方程组。
The mass center motion equations of a damp-increasing range correction projectile were established by the concept of damp-increasing coefficients.
提出了利用韦布尔雷达测量的速度及弹道参数来辨识非常规弹丸飞行的阻力系数和攻角的方法。
According to the data given by the Weibull radar, the drag coefficient and angle of attack were identified.
研究了埋头弹火炮弹带挤进时的流动应力和摩擦系数,针对其特殊结构数值计算了挤进阻力,分析了挤进过程对内弹道性能的影响。
The stress and the friction coefficient of band during the engraving process were researched, and the resistance of this special structure was calculated.
一种情况是在给定靶板面密度条件下,模拟了弹道极限速度随优化系数的变化曲线;
One case is that given the armor's area density, the curve of the ballistic-limited velocity varying with the optimal coefficient is simulated;
用增阻系数的概念,建立了增阻式射程弹道修正弹的质心运动方程组。
The mass center motion equations of a damp-increasing range correction projectile were …
用增阻系数的概念,建立了增阻式射程弹道修正弹的质心运动方程组。
The mass center motion equations of a damp-increasing range correction projectile were …
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