基于流热固耦合的熔盐泵转子动力特性分析

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朱洋，康灿*，李清

江苏大学能源与动力工程学院，江苏镇江 212013

收稿日期:2017-10-24修回日期:2018-02-01出版日期:2018-10-22发布日期:2018-10-12
通讯作者:康灿

基金资助:江苏省六大人才高峰项目

Investigation of structural dynamic characteristics of molten-salt pump rotor based on fluid-thermal-structure coupling

Yang ZHU, Can KANG*, Qing LI

School of Energy and Power Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China

Received:2017-10-24Revised:2018-02-01Online:2018-10-22Published:2018-10-12

摘要/Abstract

摘要： 用ANSYS软件模拟了熔盐泵转子的应力与变形，研究了不同介质流量下非定常流动对转子部件的影响，考察了泵转子结构的模态性能. 结果表明，转子温度自叶轮部件沿泵轴向轴承逐渐降低，不同介质流量下叶轮内的最大等效应力均出现在叶片进口边与前盖板的结合处，泵轴与轴承的配合处出现了明显的应力集中，转子部件的最大变形出现在叶轮边缘，且最大等效应力和变形量均随介质流量增大而减小，设计流量下转子部件最大等效应力和总变形量的变化幅度最小，添加预应力后转子部件前6阶固有频率增加，但振幅变化不大，流量对转子部件模态性能的影响较小.

引用本文

朱洋康灿李清. 基于流热固耦合的熔盐泵转子动力特性分析[J]. 过程工程学报, 2018, 18(5): 957-964.
Yang ZHU Can KANG Qing LI. Investigation of structural dynamic characteristics of molten-salt pump rotor based on fluid-thermal-structure coupling[J]. Chin. J. Process Eng., 2018, 18(5): 957-964.

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