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基于有限元法的面接触摩擦热流分配系数反推研究

尹延国, 邢大淼, 尤涛, 俞建卫, 魏巍

尹延国, 邢大淼, 尤涛, 俞建卫, 魏巍. 基于有限元法的面接触摩擦热流分配系数反推研究[J]. 摩擦学学报, 2012, 32(6): 592-598.
引用本文: 尹延国, 邢大淼, 尤涛, 俞建卫, 魏巍. 基于有限元法的面接触摩擦热流分配系数反推研究[J]. 摩擦学学报, 2012, 32(6): 592-598.
YIN Yan-guo, XING Da-miao, YOU Tao, YU Jian-wei, WEI Wei. Inverse Research on Partition Coefficient of Heat Flow under the Condition of Surface Contact Friction Based on the Finite Element Method[J]. TRIBOLOGY, 2012, 32(6): 592-598.
Citation: YIN Yan-guo, XING Da-miao, YOU Tao, YU Jian-wei, WEI Wei. Inverse Research on Partition Coefficient of Heat Flow under the Condition of Surface Contact Friction Based on the Finite Element Method[J]. TRIBOLOGY, 2012, 32(6): 592-598.

基于有限元法的面接触摩擦热流分配系数反推研究

基金项目: 

国家自然科学基金项目(50975072,51075114)资助.

详细信息
  • 中图分类号: TH117.1

Inverse Research on Partition Coefficient of Heat Flow under the Condition of Surface Contact Friction Based on the Finite Element Method

  • 摘要: 本文基于有限元基础,利用红外测温-温度场有限元模拟-热电偶验证相结合的方法,反推得出摩擦副热流分配系数,分析了不同摩擦副材料、表面接触状况、散热条件对摩擦副热流分配系数的影响.分析表明:反推热流法为热流分配系数的计算提供了1个可行的方案;当摩擦副材料具有较好的减摩、抗黏着特性时,摩擦副运行稳定,摩擦副动态热流分配系数随时间变化平缓;摩擦副表面接触状况和散热条件对热流分配系数有明显的影响,利用本文提出的修正系数,可对理论公式进行修正.
    Abstract: Base on the finite element analysis method, the coefficient of heat partition is worked out by the inverse way with the combination of infrared thermometry, finite simulation of the temperature field and verification of thermoelectric couple. The effects on the coefficient of heat partition by different friction pair materials, surface contact status and condition of heat emission are analyzed. The analysis shows that the inverse method on heat flow provides a feasible scheme for the calculation of the coefficient of heat partition, when the friction pair has properties of reducing friction and anti-sticking, the friction pair runs stably and the its dynamic coefficient changes with time smoothly. The friction surface contact and radiation condition in heat flow have significant impact on the distribution coefficient of heat emission, and the theoretical formula can be revised with the modification factor proposed in this paper.
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出版历程
  • 收稿日期:  2012-04-25
  • 修回日期:  2012-06-12

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