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以三维Navier Stokes方程为基础 ,用数值模拟的方法对激光制导炸弹风标式导引头 (风标头 )失调角进行了研究 ,得到了与实验基本一致的风标头失调角随马赫数Ma及攻角α的变化规律 .结果表明 :风标头失调角是由于弹体前段对风标头的非对称气动干扰引起的 ;数值模拟方法用于风标头失调角研究有较高的可信度 ,可用于工程设计 .
Based on the 3D Navier Stokes equations, the offset angle of the laser-guided seeker (wind-induced header) was studied by numerical simulation, and the offset angle of the wind-induced header was obtained according to the Mach number Ma And the variation of the angle of attack α.The results show that the offset angle of the wind turbine head is caused by the asymmetric aerodynamic interference of the wind turbine head in the front section of the projectile and the numerical simulation method is highly credible for the study of the offset angle of the wind turbine head Degree, can be used for engineering design.