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Analysis and correction on frictional temperature rise testing of brake based on preset thermometry method

Shaodi Zhao (School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, China)
Yan Yin (School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, China)
Jiusheng Bao (School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, China and Jiangsu Collaborative Innovation Center of Intelligent Mining Equipment, China University of Mining and Technology, Xuzhou, China)
Xingming Xiao (School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, China)
Zengsong Li (School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, China and School of Mechanical and Automotive Engineering, Chuzhou University, Chuzhou, China)
Guoan Chen (Training Base, The Army Engineering University of PLA, Xuzhou City, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 19 July 2019

Issue publication date: 12 September 2019

117

Abstract

Purpose

The friction between brake pair causes an intense temperature rise on interface during braking, which affects the braking performance seriously. Therefore, building an accurate testing method for frictional temperature rise (FTR) is a prerequisite.

Design/methodology/approach

Facing braking conditions of automobiles, an experimental system for testing of FTR based on preset thermometry method (PTM) was established. The FTR was collected by the PTM and the variation laws as well as the cause of errors were analyzed by experiments. The deviations between tested and real temperature were corrected based on tribology and heat theories. Finally, an online prediction method for FTR was pointed out.

Findings

After correction, the temperature curve accords well with the laws of tribology and thermal theories. The corrected FTR at braking end point is approximately equal to the authentic temperature test by hand thermometer.

Originality/value

This study eliminated the hysteresis phenomenon of temperature rise sequence and lays a foundation for online accurate monitoring and warning of brake friction temperature rise. It has important theoretical and practical value for expanding the monitoring and improvement of brake performance.

Keywords

Acknowledgements

This study was financially supported in China by the National Natural Science Funds of China (Grant Number 51875561), the Tribology Science Fund of State Key Laboratory of Tribology (Grant Number SKLTKF15A08), the Planning Project of Chuzhou University (Grant Number 2016GH09) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Citation

Zhao, S., Yin, Y., Bao, J., Xiao, X., Li, Z. and Chen, G. (2019), "Analysis and correction on frictional temperature rise testing of brake based on preset thermometry method", Industrial Lubrication and Tribology, Vol. 71 No. 7, pp. 907-914. https://doi.org/10.1108/ILT-10-2018-0376

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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