Engineering Mechanics

International Conference

Proceedings Vol. 8 (2002)


INŽENÝRSKÁ MECHANIKA 2002

ENGINEERING MECHANICS 2002

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 13 – 16, 2002, Svratka, Czech Republic
;
Editors: Lubomír Houfek, Pavel Hlavoň, Petr Krejčí

Copyright © 2002 Institute of Mechanics of Solids, Faculty of Mechanical Engineering, Bruno University of Technology, Brno

ISBN 80-214-2109-6 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Determination of heat resistances between installed thermocouple and body used for computing heat transfer coefficients
M. Pohanka, M. Raudenský
pages 227 - +10p., full text

To determine heat transfer coefficients on a surface, an inverse task is used that requires either measured surface temperature history or, more often, measured temperature history inside the body. To measure temperature inside the body, a thermocouple must be placed inside. The installed thermocouple disturbs the homogeneity of the temperature profile and thus the measured temperature is different from the original one. This paper describes an experiment and a computational method for determination of heat resistances between the thermocouple and the body. Comparison of computed heat transfer coefficients for the fixed model and for a model that ignores installed thermocouple is made.


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