NDLI: Wear characteristics and prediction of wheel profiles in high-speed trains

Content Provider	Springer Nature Link
Author	Han, Peng Zhang, Wei hua Li, Yan
Copyright Year	2015
Abstract	Wheel/rail relationship is a fundamental problem of railway system. Wear of wheel profiles has great effect on vehicle performance. Thus, it is important not just for the analysis of wear characteristics but for its prediction. Actual wheel profiles of the high-speed trains on service were measured in the high-speed line and the wear characteristics were analyzed which came to the following results. The wear location was centralized from −15 mm to 25 mm. The maximum wear value appeared at the area of 5 mm from tread center far from wheel flange and it was less than 1.5 mm. Then, wheel wear was fitted to get the polynomial functions on different locations and operation mileages. A binary numerical prediction model was raised to predict wheel wear. The prediction model was proved by vehicle system dynamics and wheel/rail contact geometry. The results show that the prediction model can reflect wear characteristics of measured profiles and vehicle performances.
Starting Page	3232
Ending Page	3238
Page Count	7
File Format	PDF
ISSN	20952899
Journal	Journal of Central South University of Technology
Volume Number	22
Issue Number	8
e-ISSN	22275223
Language	English
Publisher	Central South University
Publisher Date	2015-08-06
Publisher Place	Changsha
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	high-speed trains wheel wear wear characteristics wear prediction vehicle system dynamics Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Engineering

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