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Finite Element Analysis on the Supporting Structures for Hydrogenand Oxygen Turbine Pumps of a Rocket Engine
Author(s): 
Pages: 699-703
Year: Issue:  6
Journal: TRANSACTIONS OF BEIJING INSTITUTE OF TECHNOLOGY

Keyword:  火箭发动机有限元法力学等效原理;
Abstract: 在对某火箭发动机氢、氧涡轮泵支撑结构进行有限元分析的同时,对该结构进行了力学理论探讨.通过力学等效原理,将难以给定边界条件的温度计算模型转化为便于给定边界条件的摩擦力的计算模型;用简单的梁单元模型模拟了实际结构中复杂的内部连接关系,并对采用梁单元可能造成的误差进行了分析;应用该力学等效分析模型,解释了氢泵涡轮外壳体设计存在的不足.
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