高线速状态湿式离合器带排转矩特性研究

doi:10.3969/j.issn.1004-132X.2023.22.006

中国机械工程 ›› 2023, Vol. 34 ›› Issue (22): 2693-2703，2710.DOI: 10.3969/j.issn.1004-132X.2023.22.006

高线速状态湿式离合器带排转矩特性研究

李杰1;马超1;王晓燕2

1.北京建筑大学机电与车辆工程学院，北京，102616
2.北京物资学院信息学院，北京，101149

出版日期:2023-11-25 发布日期:2023-12-14
通讯作者: 王晓燕（通信作者），女，1980年生，副教授。E-mail:2601356580@qq.com。
作者简介:李杰，男，1977年生，教授。研究方向为车辆传动技术与结构优化设计。
基金资助:
国家自然科学基金（51675494）；北京建筑大学金字塔人才培养工程项目（JDJQ20200308）

Research on Drag Torque Characteristics of Wet Clutchs under High Linear Speed Conditions

LI Jie1;MA Chao1;WANG Xiaoyan2

1.School of Mechanical-Electronic and Vehicle Engineering,Beijing University of Civil Engineering and Architecture,Beijing,102616
2.School of Information,Beijing Wuzi University,Beijing,101149

Online:2023-11-25 Published:2023-12-14

摘要/Abstract

摘要： 为研究湿式离合器空载状态下摩擦片高线速工况带排转矩产生回升变化的机理与规律，基于流体动力学模型，考虑润滑油膜表面张力与高线速油气两相流的影响，建立了带排转矩数学模型和带排间隙油膜VOF两相流仿真模型，对油膜的变化进行分析验证。对模型进行分析获知，摩擦片高线速下油气两相流产生部分带排转矩是带排转矩回升的主要原因。在摩擦元件高速带排试验系统中进行了带排转矩试验，分析了旋转方向、润滑油温度、流量、带排间隙、摩擦片尺寸对湿式离合器带排转矩的影响规律。

关键词: 湿式离合器, 摩擦片, 带排转矩, 高线速

Abstract: In order to study the mechanism and the change law of the belt discharge torque of the friction plates under the no-load condition of the wet clutchs at high linear speed, a belt was established based on the hydrodynamics model considering the influences of the surface tension of the lubricating oil film and the oil-gas two-phase flow at high linear speed. The mathematical model of the drag torque was used to establish the volume fraction of air and oil two phases flow simulation for the oil film with an exhaust gap to analyze and verify the change of the oil film. The analysis of the model shows that the oil-gas two-phase flow of the friction plate produces part of drag torque at high linear speed, which is the main reason for the recovery of drag torque. Drag torque tests was did in high-speed belt-row test system for friction components. The influences of direction, lubricating oil temperature, flow rate, belt-row gap, and friction plate size on drag torque were analyzed.

Key words: wet clutch, friction plate, drag torque, high linear speed

中图分类号:

U467

李杰, 马超, 王晓燕. 高线速状态湿式离合器带排转矩特性研究[J]. 中国机械工程, 2023, 34(22): 2693-2703，2710.

LI Jie, MA Chao, WANG Xiaoyan. Research on Drag Torque Characteristics of Wet Clutchs under High Linear Speed Conditions[J]. China Mechanical Engineering, 2023, 34(22): 2693-2703，2710.

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高线速状态湿式离合器带排转矩特性研究

Research on Drag Torque Characteristics of Wet Clutchs under High Linear Speed Conditions

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