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转动与摆动复合运动下脂润滑关节轴承的数值分析

汤占岐 刘焜 王伟 刘小君

汤占岐, 刘焜, 王伟, 刘小君. 转动与摆动复合运动下脂润滑关节轴承的数值分析[J]. 应用数学和力学, 2015, 36(2): 207-219. doi: 10.3879/j.issn.1000-0887.2015.02.010
引用本文: 汤占岐, 刘焜, 王伟, 刘小君. 转动与摆动复合运动下脂润滑关节轴承的数值分析[J]. 应用数学和力学, 2015, 36(2): 207-219. doi: 10.3879/j.issn.1000-0887.2015.02.010
TANG Zhan-qi, LIU Kun, WANG Wei, LIU Xiao-jun. Numerical Analysis of Grease Lubrication for Radial Spherical Plain Bearings in Rotation and Swing Motion[J]. Applied Mathematics and Mechanics, 2015, 36(2): 207-219. doi: 10.3879/j.issn.1000-0887.2015.02.010
Citation: TANG Zhan-qi, LIU Kun, WANG Wei, LIU Xiao-jun. Numerical Analysis of Grease Lubrication for Radial Spherical Plain Bearings in Rotation and Swing Motion[J]. Applied Mathematics and Mechanics, 2015, 36(2): 207-219. doi: 10.3879/j.issn.1000-0887.2015.02.010

转动与摆动复合运动下脂润滑关节轴承的数值分析

doi: 10.3879/j.issn.1000-0887.2015.02.010
基金项目: 国家自然科学基金(51375132);教育部高等学校博士点基金(20120111110026)
详细信息
    作者简介:

    汤占岐(1973—),男,陕西咸阳人,副教授,博士生(通讯作者. E-mail: tangzhanqi@163.com);刘焜(1963—),男,陕西汉中人,教授,博士生导师(E-mail: liukun@hfut.edu.cn).

  • 中图分类号: TH133.3

Numerical Analysis of Grease Lubrication for Radial Spherical Plain Bearings in Rotation and Swing Motion

Funds: The National Natural Science Foundation of China(51375132)
  • 摘要: 建立了球面轴承的三维润滑模型,该模型将内圈的转动运动、轴颈倾斜引起的内圈倾斜和内圈的摆动运动等因素纳入考虑,推导出球坐标下适用于非Newton(牛顿)流体润滑的Reynolds(雷诺)方程.应用该模型,并考虑使用润滑脂的Ostwald流变模型,对向心关节轴承的润滑问题进行了数值计算,研究了在不同的幂律指数、内圈倾斜角度和摆动角速度下,脂润滑膜的压力分布、最大压力、承载力和流量.结果表明:在合适的操作条件下,脂润滑能产生明显的流体动压效应;在其它参数不变时,幂律指数对脂润滑膜的最大压力和承载能力影响显著,相对于Newton流体,剪切稠化流体可提高润滑膜的最大压力和承载能力,并增加周向流量,而剪切稀化流体的影响效果则相反;内圈倾斜角度对脂润滑膜最大压力和承载能力的影响较小,内圈摆动角速度的影响则较为明显.
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出版历程
  • 收稿日期:  2014-04-18
  • 修回日期:  2014-10-31
  • 刊出日期:  2015-02-15

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