Thermo- mechanical Coupling Analysis of Friction Plate of Wet Friction Clutch

Yang Yongqiang; Li Xiaoying; Cao Botao; Zhang Chunxia; Zhang Man

doi:10.16578/j.issn.1004.2539.2016.01.036

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Thermo- mechanical Coupling Analysis of Friction Plate of Wet Friction Clutch

更新时间：2022-10-20

- Thermo- mechanical Coupling Analysis of Friction Plate of Wet Friction Clutch
- Vol. 40, Issue 1, Pages: 153-156(2016)
- 作者机构：
  
  1. 陕西科技大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.01.036
  CLC：
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[1]杨勇强,李小莹,曹博涛,张春侠,张曼.湿式摩擦离合器摩擦片的热力耦合分析[J].机械传动,2016,40(01):153-156.

Yang Yongqiang, Li Xiaoying, Cao Botao, et al. Thermo- mechanical Coupling Analysis of Friction Plate of Wet Friction Clutch. [J]. 40(1):153-156(2016)
[1]杨勇强,李小莹,曹博涛,张春侠,张曼.湿式摩擦离合器摩擦片的热力耦合分析[J].机械传动,2016,40(01):153-156. DOI： 10.16578/j.issn.1004.2539.2016.01.036.

Yang Yongqiang, Li Xiaoying, Cao Botao, et al. Thermo- mechanical Coupling Analysis of Friction Plate of Wet Friction Clutch. [J]. 40(1):153-156(2016) DOI： 10.16578/j.issn.1004.2539.2016.01.036.

摘要

在湿式摩擦离合器动力学研究的基础上,采用摩擦功率法对离合器接合过程的热流密度进行了计算。并讨论了摩擦片的对流换热问题,运用有限元技术建立摩擦片模型,对其温度场和应力场耦合情况进行了分析。研究结果表明,摩擦片径向温度随着半径逐渐增大,厚度方向温度升高主要位于摩擦片表面区域。摩擦片外圈区域出现周向拉应力,内圈区域为周向压应力;而摩擦表面出现径向压应力,摩擦片内部出现径向拉应力。该结论为摩擦离合器热失效分析提供了一定的理论基础。

Abstract

Based on the dynamics research of wet friction clutch,the engagement heat flux of friction clutch is calculated by friction power method,and the heat convection of wet friction clutch is discussed. The model of friction plate is established by using the finite element method,and the temperature field and the stress field of its are analyzed. The results of thermo- mechanical coupling field show the radial temperature of friction plate increase with the increase of radius,the thickness direction temperature is close to the surface region of friction plate. The circumferential tensile stress appears in the region close to the outer edge,while the circumferential pressure stress appears in the region close to the inner edge. The radial pressure stress is in the friction surface,and the radial tensile stress is in inner region of friction plate. The result provides the theoretical foundation for the thermal failure analysis of friction clutch.

关键词

摩擦离合器摩擦片有限元热力耦合分析

Keywords

Friction clutchFriction plateFinite elementThermo-mechanical coupling analysis

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