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Simulation and experimental study on the influence of oil groove structure on the drag torque of the wet clutch

Chengjun Wang (Department of Anhui Key Laboratory of Mine Intelligent Equipment and Technology, Anhui University of Science and Technology, Huainan, China)
Wujian Ding (Department of School of Mechanical Engineering, Jiangsu University, Zhenjiang, China)
Xudong Zheng (Jiangsu University, Zhenjiang, China)
Haiqiang Zhu (School of Mechanical Engineering, Jiangsu University, Zhenjiang, China)
Zuzhi Tian (School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, China)
Fangwei Xie (School of Mechanical Engineering, Jiangsu University, Zhenjiang, China and School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, China)
Kuidong Gao (Department of Shandong Province Key Laboratory of Mine Mechanical Engineering, Shandong University of Science and Technology, Qingdao, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 16 August 2021

Issue publication date: 9 September 2021

218

Abstract

Purpose

This paper aims to design a single and double throat oil groove structure, which can reduce the drag torque of the wet clutch.

Design/methodology/approach

A three-dimensional simulation model was established herein using the computational fluid dynamics method. The influence of oil groove structure on the oil film flow field and the drag torque is obtained by a simulation.

Findings

Compared with the traditional radial oil groove, the results show that the single throat oil groove structure reduces the drag torque by about 24.59%; the double throat oil groove reduces the drag torque by about 47.27%. As the speed difference increases, the average temperature rise of the oil film of the double throat oil groove is 4°C lower than that of the single throat oil groove, indicating that it has good heat dissipation performance. The analysis results were verified by experimental results.

Originality/value

In this paper, the radial oil groove is taken as the reference object, and the structure of the oil groove is designed and improved. The simulation analysis and experiment verify the rule of the influence of the oil groove structure on the drag torque, which provides a new design idea for reducing the drag torque of wet clutch.

Keywords

Acknowledgements

The authors would like to acknowledge the support of the National Natural Science Foundation of China (51675234, U1810123) and the Open Foundation of Anhui Key Laboratory of Mine Intelligent Equipment and Technology, Anhui University of Science and Technology (201901003) and Open Foundation of Shandong Province Key Laboratory of Mine Mechanical Engineering of Shandong University of Science and Technology (2019KLMM103).

Citation

Wang, C., Ding, W., Zheng, X., Zhu, H., Tian, Z., Xie, F. and Gao, K. (2021), "Simulation and experimental study on the influence of oil groove structure on the drag torque of the wet clutch", Industrial Lubrication and Tribology, Vol. 73 No. 6, pp. 846-854. https://doi.org/10.1108/ILT-12-2019-0507

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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