MissileDatcom是一种估算导弹气动参数的软件,在初步设计中具有较高的实用价值。针对某巡航靶弹在不同攻角、马赫数下的升、阻力系数及俯仰力矩系数,利用CFD计算结果与Datcom的估算结果进行了比较分析。结果表明,在初步设计阶段中Datcom可提供较高精度的气动力系数,为设计者提供了替代专用程序的设计方法。

Missile Datcom, a computer program for predicting missile aerodynamics, is quite practical for missile primary design. CFD technology and Datcom program were applied separately to calculate the values of aerodynamic characteristics such as lift coefficient, drag coefficient and pitching moment coefficient based on the configuration of a cruise target missile. A series of data comparisons show that Datcom can provide a quite precise estimation and a substitute method in primary phase of missile design for designers.