| 涡轮泵端面密封有限元仿真及贮存可靠性分析 |
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| 引用本文： | 吴勋,刘纪涛,张为华,陈广南.涡轮泵端面密封有限元仿真及贮存可靠性分析[J].润滑与密封,2009,34(10). |
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| 作者姓名： | 吴勋 刘纪涛 张为华 陈广南 |
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| 作者单位： | 1. 国防科技大学航天与材料工程学院,湖南长沙,410073;第二炮兵装备研究院,北京,100085
2. 国防科技大学航天与材料工程学院,湖南长沙,410073 |
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| 摘 要： | 为分析长期贮存条件下涡轮泵端面密封变形问题,采用有限元分析软件对涡轮泵端面密封静环组件过盈配合过程中的变形及长期贮存中的蠕变变形进行了分析计算;使用应变率硬化材料模型描述蠕变特性,得到了不同年限下密封组件应力应变和石墨环变形结果;利用广义强度应力模型方法对端面密封静环组件可靠性进行了评估;基于性能可靠性退化理论,利用有限元仿真数据对端面密封静环组件贮存可靠性变化规律进行了研究,得到了不同贮存年限下密封组件的可靠度。
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| 关 键 词： | 端面密封 强度应力模型 贮存可靠性 |
Finite Element Simulation and Storage Reliability Analysis of Turbo Pump End-face Seal |
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| Wu Xun,Liu Jitao,Zhang Weihua,Chen Guangnan.Finite Element Simulation and Storage Reliability Analysis of Turbo Pump End-face Seal[J].Lubrication Engineering,2009,34(10). |
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| Authors: | Wu Xun Liu Jitao Zhang Weihua Chen Guangnan |
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| Affiliation: | 1.Institute of Aerospace and Material Engineering;National University of Defense Technology;Changsha Hunan 410073;China;2.The Equipment Research Institute of PLA's Second Artillery;Beijing 100085;China |
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| Abstract: | To study the long-term storage distortion of turbo pump end-face seal,the interference fit distortion and long term storage creep distortion of the static ring of end-face seal were analyzed.Creep behavior was formulated using strain ratio harden material model.Stress-strain of the module and deflection of graphite annulus were presented in different storage life.The reliability of turbo pump end-face seal was calculated using stress-strength interference method.The rule of storage reliability of the seal w... |
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| Keywords: | end-face seal stress-strength interference storage reliability |
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