关键词: 固体推进剂火箭发动机;可变推力;可调推力火箭发动机;可再起动火箭发动机;脉冲式火箭发动机

Abstract: he necessity and present situation of research for adjusting the thrust of solid rocket motor and its application have been review. It also pointed out the further direction for the research.

Key words: Solid propellant rocket engine;Variable thrust;Controllable thrust rocket engine;Restartable rocket engine;impulse rocket engine