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Civil-Comp Conferences
ISSN 2753-3239
ISSN 2753-3239
CCC: 1
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 16.1
Thermal Imaging of Wheel-Rail Interface as a Tool for Multipoint Contact Detection
M. Slowinski
Institute of Transport, Poznan University of Technology, Poland
Full Bibliographic Reference for this paper
M. Slowinski, "Thermal Imaging of Wheel-Rail Interface as a Tool for Multipoint Contact Detection", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 1, Paper 16.1, 2022, doi:10.4203/ccc.1.16.1
Keywords: thermal imaging, tram vehicle, rail vehicle dynamics, wheel-rail contact, multipoint contact, frictional heating.
Abstract
The aim of this paper is to present thermal imaging as a tool for detecting multipoint contact between tram wheel and rail under real operation conditions. Firstly, the basic information of the wheel-rail interaction and heat-generating process in the contact patch are introduced. Then the thermography measurement carried out during a tram ride is described. The vehicle and measurement setup are introduced. Next, the analysis of thermograms showing multipoint contact consisting of two, three and four points is presented. Further, the measurement technique, obtained results and the further applications of wheel-rail contact thermal imaging are discussed.
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