Research on wheel wear of the light rail transit based on a modified semi-Hertzian contact model
Industrial Lubrication and Tribology
ISSN: 0036-8792
Article publication date: 10 January 2023
Issue publication date: 15 February 2023
Abstract
Purpose
While the normal wheel–rail contact model cannot be accurately used for light rail transit (LRT) wheel wear analysis with large wheelset lateral displacement and wheelset yaw angle, a modified semi-Hertzian contact model (MSHM) is proposed in the paper.
Design/methodology/approach
MSHM was first proposed to consider the wheelset motion with the lateral displacement and the yaw angle. Then, a dynamic model of an LRT was established and the influence of some key factors on wheel wear is analyzed. At last, after operating for a certain mileage, the predicted wheel wear is compared with the tested wheel wear.
Findings
Compared with the tested wheel wear, the predicted wheel wear shows a good agreement with the measured result, verifying the accuracy of MSHM.
Originality/value
Considering larger wheelset lateral displacement and yaw angle, MSHM can be used to calculate the wheel wear of the LRT with high accuracy.
Keywords
Acknowledgements
This work was financially supported by the National Natural Science Foundation of China (No. 52102441), the Independent Research and Development Project of the State Key Laboratory of Traction Power (No. 2022TPL-T10), Natural Science Foundation of Sichuan Province (No. 2022NSFSC1886) and Natural Science Foundation of Chongqing (No. cstc2020jcyj-msxmX1019).
Citation
Wang, Q., Zhu, B., Zhang, F., Jiang, X. and Wang, J. (2023), "Research on wheel wear of the light rail transit based on a modified semi-Hertzian contact model", Industrial Lubrication and Tribology, Vol. 75 No. 2, pp. 211-220. https://doi.org/10.1108/ILT-09-2022-0293
Publisher
:Emerald Publishing Limited
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