THERMAL SCIENCE

International Scientific Journal

M. Hamraoui

,

Mounir Chbiki

,

Najib Laraqi

,

L. Roseiro

ANALYTICAL STUDY OF THE TEMPERATURE DISTRIBUTION IN SOLIDS SUBJECTED TO NONUNIFORM MOVING HEAT SOURCES

ABSTRACT
We propose in this paper an analytical study of the temperature distribution in a solid subjected to moving heat sources. The power dissipated by the heat sources is considered nonuniform. The study was made in steady state. The model is three-dimensional. It is valid regardless of the relative velocity of the source. We have considered three cases of semi-elliptic distribution of the power with: (i) the maximum at the center of the source, (ii) the maximum at the inlet of the source, (iii) the maximum at the output of the source. These configurations simulate the conformity imperfection of contact due to wear and / or the non-uniformity of contact pressure in frictional devices. We compare the temperature change for these different scenarios and for different relative velocities, considering the same total power dissipation. The reference case is that of a uniform source dissipating the same power.
KEYWORDS
analytical solution, advection-diffusion problem, nonuniform moving heat sources, sliding contact
PAPER SUBMITTED: 2012-08-26
PAPER REVISED: 2013-05-25
PAPER ACCEPTED: 2013-05-25
PUBLISHED ONLINE: 2013-06-16
DOI REFERENCE: https://doi.org/10.2298/TSCI120826071H
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2013, VOLUME 17, ISSUE Issue 3, PAGES [687 - 694]
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Analytical study of the temperature distribution in solids subjected to nonuniform moving heat sources

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