Research on Temperature Field Distribution of Limited Slip Clutches Based on Dynamic Heat Flow Distribution

Chen Qiao'er; Li Xueliang; Peng Zengxiong; Jin Jiaxi; Yang Shujun; Lian Zhuang

doi:10.16578/j.issn.1004.2539.2023.11.003

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Research on Temperature Field Distribution of Limited Slip Clutches Based on Dynamic Heat Flow Distribution

Theory·Research | 更新时间：2023-12-01

- Research on Temperature Field Distribution of Limited Slip Clutches Based on Dynamic Heat Flow Distribution
- Journal of Mechanical Transmission Vol. 47, Issue 11, Pages: 14-21(2023)
- 作者机构：
  
  1.燕山大学车辆与能源学院，河北秦皇岛 066004
  2.北京理工大学机械与车辆学院，北京 100081
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.11.003
  CLC：
- Published：15 November 2023，
  
  Received：14 September 2022，
  
  Revised：08 October 2022，
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陈俏儿,李学良,彭增雄等.基于动态热流分配的限滑离合器温度场分布研究[J].机械传动,2023,47(11):14-21.

Chen Qiao'er,Li Xueliang,Peng Zengxiong,et al.Research on Temperature Field Distribution of Limited Slip Clutches Based on Dynamic Heat Flow Distribution[J].Journal of Mechanical Transmission,2023,47(11):14-21.
陈俏儿,李学良,彭增雄等.基于动态热流分配的限滑离合器温度场分布研究[J].机械传动,2023,47(11):14-21. DOI： 10.16578/j.issn.1004.2539.2023.11.003.

Chen Qiao'er,Li Xueliang,Peng Zengxiong,et al.Research on Temperature Field Distribution of Limited Slip Clutches Based on Dynamic Heat Flow Distribution[J].Journal of Mechanical Transmission,2023,47(11):14-21. DOI： 10.16578/j.issn.1004.2539.2023.11.003.

摘要

为了准确获得限滑离合器长时间滑摩过程的温度场分布规律，利用Fluent软件求解了摩擦副不同工况下流场速度分布以获取平均对流换热系数，计算了润滑油冷却功率；通过热平衡法建立以摩擦接触表面温度连续为约束的动态热流分配温度预测模型，并设计了长时间滑摩试验。验证分析结果表明，定热流输入条件下，对偶钢片与摩擦片间存在温差且随时间增大，温度预测结果均高于试验值，最大偏差22.2 K；动态热流分配温度预测偏差在8.1 K之内；对偶钢片表面各位置处输入热功率随时间下降并趋于定值，平衡温度沿径向呈抛物线分布，在中、外径处达到峰值。

Abstract

In order to accurately study the temperature field distribution during the long-term sliding friction process of the limited slip clutch

Fluent software is used to solve the flow field velocity distribution of the friction pair under different working conditions to obtain the average convective heat transfer coefficient and calculate the cooling power of the lubricating oil. A dynamic heat flow distribution temperature prediction model is established with the constraint of continuous friction contact surface temperature by the heat balance method

and a long-time sliding friction test is designed to verify the analysis results. The results show that under the condition of the constant heat flow input

there is a temperature difference between the steel disc and the friction plate

which increases with time

the temperature prediction results are higher than the experimental values

and the maximum deviation is 22.2 K. The predicted deviation of the dynamic heat flow distribution temperature model is within 8.1 K. The input heat power at each position on the surface of the steel disc sheet decreases with time and tends to a fixed value. The equilibrium temperature is distributed in a parabola along the radial direction and reaches a peak at the place between the mid and the outer diameter.

关键词

限滑离合器动态热流分配对流换热温度场

Keywords

Limited slip clutchDynamic heat flow distributionConvective heat transferTemperature field

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