Influence of Two Typical Low-Level Wind Shears on Angular Motion of a Dual-Spin Guided Rocket
摘要
Guided rockets have low velocity and weak anti-disturbance ability in the initial stage of launching, and their flight trajectories are very susceptible to the interference of low-altitude wind fields. Currently, the wind field models used in external ballistics are mostly mean wind models and random wind models, and wind shear is not considered a special form of wind field. This paper combines the linear angular motion equations of a dual-spin rocket with the microburst and low-level jet wind shear models to derive the analytical solutions of the angle of attack response caused by these two types of typical low-level wind shear in the active segment of the projectile. Simulation analysis is conducted on the influence of wind field intensity, wind field spatial scale, and launch position on the change of the projectile's angle of attack in a low-level wind shear environment. This study has significant reference value for the launch and control of guided rockets in complex combat environments.