摘要
利用弹性－粘弹性对应原理，分析长期贮存固体推进剂药柱由环境温度变化引起的热应力，计算药柱损伤，并对发动机寿命进行预估。理论分析和算法具有普遍性，可供工程设计参考。
n analysis on thermal stress of solid rocket motor grain in storage due to ambienttemperature variation is presented according to elastic-viscoelastic correspondence principle, and theeffects of ageing on mechanical properties of the propellant are included. The damage of grain is calculated and the motor life is predicted. The predicting theory and method can be referred in other relatedtechnical designs.
出处
《推进技术》
EI
CAS
CSCD
北大核心
1996年第4期10-13,共4页
Journal of Propulsion Technology
基金
航空科学基金
关键词
固体火箭推进剂
寿命预测
粘弹性
Solid rocket propellant
Life prediction
Viscoelasticity
Thermal stress
Cumulative damage
