关键词: 固体推进剂火箭发动机;火箭发动机喷管;故障分析;数据处理

Abstract: The method base on test data under nozzle failure conditions is presented to correct the processing of pressure-time and thrust-time relation, and a satisfied result is obtained. The method provide credible data for correctly appraising the system design and internal ballistics design of the motor.

Key words: Solid propellant rocket engine;Rocket engine nozzle;Fault analysis;Data processing