固体推进剂药柱在内压载荷下的应力应变分析  

The Structure Analysis of Some SRM Grain

作　　者：杨月诚[1] 傅学金[1] 张永鑫[1] 

机构地区：[1]西安第二炮兵工程学院,陕西西安710025

出　　处：《上海航天》2004年第4期44-47,共4页Aerospace Shanghai

摘　　要：采用有限元法,对含人工脱粘层的某固体火箭发动机药柱进行了线粘弹性分析,研究了在工作内压载荷下人工脱粘层和材料泊松比对药柱应力应变的影响。分析结果表明,增加人工脱粘层面积可导致药柱头部应力增大,增加泊松比也会加大药柱应力。The analysis of the grain on the viscoelastic propellant in some solid rocket engine was presented by the finite element method in this paper. The stress and strain of the grain affected by manmade debonding and Poisson ratio under the inner working pressure were researched. The results showed that the increase of the area of the manmade debonding and the Poisson's value could lead the increase of the propellant's stress.

关 键 词：固体火箭发动机 药柱 有限元分析 人工脱粘层 泊松比 应力 应变 

分 类 号：V512[航空宇航科学与技术—航空宇航推进理论与工程]