Engineering Mechanics

Proceedings Vol. 12 (2006)

ENGINEERING MECHANICS 2006

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 15 – 18, 2006, Svratka, Czech Republic

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Editors: Jiří Náprstek and Cyril Fischer

ISBN 80-86246-27-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

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Analysis of temperatures in the surface layer of a solid in short-term heating followed by cooling

J. Menčík, L. Beneš
pages 240 - +6p., full text

The development of temperatures in a surface layer of a massive body during short-term heating and the following free cooling can be modelled as unidirectional heat flow in a semiinfinite solid. For the heating of bodies with uniformly distributed temperature, analytical solutions exist, while for the cooling (starting from nonuniform temperature distribution), a numerical procedure must be used. The paper brings formulae for various conditions of heating and for the numerical solution of the heat flow equation. Their use is illustrated on a model of heating caused by mutual sliding of a railway wheel and a rail, and of the following cooling by free convection into air and conduction into the body.

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All papers were reviewed by members of the scientific committee.

Engineering Mechanics

International Conference

Proceedings Vol. 12 (2006)

ENGINEERING MECHANICS 2006