亚音速飞行器往复式滑翔增程弹道设计

A reciprocating gliding extended range trajectory scheme was proposed to extend the effective range of subsonic cruise missile. The models of horizontal cruise trajectory and reciprocating glide cruise trajectory were established based on the existing aerodynamic parameters. The effective range and characteristics of the two trajectory schemes were compared and analyzed. The principle of extended range of reciprocating glide trajectory was studied from the conservation of energy. The influence of initial flight Mach number, initial trajectory inclination angle and initial flight altitude on the range extension characteristics of reciprocating glide trajectory was further studied. The results show that the reciprocating glide trajectory can effectively extend the range, and the efficiency of extending range of the reciprocating glide trajectory reaches 100.42% compared with the maximum flight distance of the conventional horizontal direct-flight trajectory. On the premise of the realization of the reciprocating gliding trajectory, the greater the initial flight Mach number, the smaller the initial trajectory inclination angle and the lower the initial flight altitude, the more obvious the extending range efficiency of the reciprocating glide trajectory.