关键词: 喷管喉部;火箭发动机喷管;应力分析;温度分布;固体火箭发动机;设计

Abstract: With technical problems met in development of motors,the temperature and the stress distributions in graphite throat liner of nozzle in solid rocket motors and the factors to effect them are brielly discussed in this paper.Several notables in design of nozzles are also proposed.

Key words: Rocket engine nozzle;Nozzle throat;Stress analysis;Temperature distribution;Solid rocket engine;Design