Experimental investigation of friction disc temperature field under cooling fluid. (September 2021)

• Record Type: Journal Article
• Authors: Wu, Jianpeng; Ma, Biao; Stanciulescu, Ilinca; Li, Heyan; Wang, Liyong
• Is Part Of: Proceedings of the Institution of Mechanical Engineers. Volume 235:Number 17(2021)
• Page Start: 3377
• Page End: 3388
• Publication Date: 2021-09
• Subjects: Wet clutch -- temperature field -- accelerated life test -- evaluation system -- failure mechanism; Mechanical engineering -- Periodicals; 621.05
• DOI: 10.1177/0954406220964529
• Languages: English
• ISSNs: 0954-4062

Abstract

The temperature field of the wet clutch is an important factor that influences the vehicle transmission performance. In order to predict and prolong the service life of the wet clutch, a test bench is built, and an accelerated life test is carried out based on the actual working conditions. Then, according to the variation of the friction coefficient and the maximum radial temperature difference, the sliding temperature field is analyzed in different periods. By introducing four evaluation indexes, a temperature field evaluation system is established and verified. With the help of this evaluation system, the temperature fields during running-in and unstable stages are compared, and the thermal failure mechanism of the friction disc is analyzed. In the stable stage, the influence of rotational speed, oil pressure and lubricant flow on the temperature field are investigated. The results of this study can guide the design and control of the friction components in the wet clutch.