THERMAL SCIENCE

International Scientific Journal

Miloš S. Milošević

,

Milan S. Banić

,

Dušan S. Stamenković

,

Vukašin D. Pavlović

,

Miša M. Tomić

,

Aleksandar V. Miltenović

DISTRIBUTION OF GENERATED FRICTION HEAT AT WHEEL-RAIL CONTACT DURING WHEEL SLIPPING ACCELERATION

ABSTRACT
This paper presents an innovative method for determining the distribution of the friction generated heat from the contact of a locomotive wheel and rail, as well as the heat partition factor, during wheel slipping of an accelerating locomotive. The new method combines the finite element analysis simulation and experimental determination of the temperature distribution in a downsized model of a wheel and rail. As a result of a virtual experiment by the finite element analysis, an empirical dependence between the temperature distribution and the heat partition factor was established. The determination of the dependence enabled finding of the exact value of the heat partition factor by the optimization procedure based on matching temperatures obtained by the virtual and real experiment.
KEYWORDS
friction heat generation, heat partition factors, wheel-rail contact, slipping acceleration, sliding
PAPER SUBMITTED: 2016-04-19
PAPER REVISED: 2016-06-29
PAPER ACCEPTED: 2016-07-01
PUBLISHED ONLINE: 2016-12-25
DOI REFERENCE: https://doi.org/10.2298/TSCI16S5561M
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Supplement 5, PAGES [S1561 - S1571]
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DISTRIBUTION OF GENERATED FRICTION HEAT AT WHEEL-RAIL CONTACT DURING WHEEL SLIPPING ACCELERATION

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence