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航空发动机主轴承接触应力精确仿真计算方法

马艳红 王永锋 公平 洪杰

马艳红, 王永锋, 公平, 洪杰. 航空发动机主轴承接触应力精确仿真计算方法[J]. 航空动力学报, 2017, 32(8): 2000-2008. doi: 10.13224/j.cnki.jasp.2017.08.025
引用本文: 马艳红, 王永锋, 公平, 洪杰. 航空发动机主轴承接触应力精确仿真计算方法[J]. 航空动力学报, 2017, 32(8): 2000-2008. doi: 10.13224/j.cnki.jasp.2017.08.025
Accurate simulation method for contact stress of aero-engine bearing[J]. Journal of Aerospace Power, 2017, 32(8): 2000-2008. doi: 10.13224/j.cnki.jasp.2017.08.025
Citation: Accurate simulation method for contact stress of aero-engine bearing[J]. Journal of Aerospace Power, 2017, 32(8): 2000-2008. doi: 10.13224/j.cnki.jasp.2017.08.025

航空发动机主轴承接触应力精确仿真计算方法

doi: 10.13224/j.cnki.jasp.2017.08.025
基金项目: 国家自然科学基金(51575022, 20160101-20191231)

Accurate simulation method for contact stress of aero-engine bearing

  • 摘要: 采用稳态热分析与动态接触力学分析相结合的方法以提高计算精度,考虑轴承摩擦生热及瞬态冲击效应的影响,得到经热应力修正的轴承应力分布及变化特征。研究表明:最大动态接触应力位于钢球表面,外圈滚道次之,内圈滚道最小;轴承接触应力具有明显动态冲击响应特性,分布及大小具有随机变化性;接触应力由主应力与剪切应力共同构成,随转速及轴向载荷增大而增大。

     

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出版历程
  • 收稿日期:  2015-11-24
  • 刊出日期:  2017-08-28

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