燃气发生器燃料进口结构改进研究  

Improvements Investigation of a Gas Generator's Fuel Inlet Structure

作　　者：丰雪平[1] 段增斌[1] 李宝荣[1] 

机构地区：[1]西安航天动力研究所

出　　处：《载人航天》2010年第4期1-4,共4页Manned Spaceflight

摘　　要：简要分析液体火箭发动机燃气发生器燃料进口结构存在的薄弱环节,并针对此薄弱环节开展可靠性增长方案设计、结构优化及试验验证。采用理论分析、数值仿真设计与试验验证相结合的方法,确定了可靠性增长设计结构,有效提高了发动机的结构可靠性。The weakness existing in fuel inlet structure of a gas generator using in liquid rocket engine was analyzed, and studies of reliability growth schematic design, structure optimization and test according to the weakness were studied. The design structure of reliability growth was determined, which effectively improved the structural reliability of the engine, through theoretical analysis, numerical simulation ,modal testing etc.

关 键 词：燃气发生器 结构 可靠性 

分 类 号：V434.22[航空宇航科学与技术—航空宇航推进理论与工程]