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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 104
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 316
Identification and Modeling of Nonlinear Phenomena at the Wheel/Rail Contact Area B. Firlik, B. Czechyra and W. Sawczuk
Department of Rail Vehicles, Poznan University of Technology, Poland B. Firlik, B. Czechyra, W. Sawczuk, "Identification and Modeling of Nonlinear Phenomena at the Wheel/Rail Contact Area", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 316, 2014. doi:10.4203/ccp.104.316
Keywords: tramway, vehicle dynamics, contact, wheel profile, ride stability, safety against derailment.
Summary
This paper describes the main assumptions, objectives and methodology for the
identification and modelling of nonlinear phenomena in wheel-rail contact for the
development of a new tramway wheel profile. The main objective of this research is
the identification and modeling of nonlinear phenomena in wheel-rail contact area
for light rail vehicles, in order to develop an optimal tram wheel profile for Polish
cities, taking into account the criterion of driving safety and tread wear during the
lifetime. It is necessary to take action in the following research fields: contact
mechanics for the vehicle-track interaction, tribology in the contact area, wheel-rail
material research, tramway noise and vibration etc.
In this research it is all the more important, that light rail vehicles are
characterized by many different structural characteristics and different operating
circumstances compared to those of the classic rail vehicles. Hence the standards or
results of research previously carried out for locomotives or railroad cars cannot be
directly used.
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