Thin Layer Thermography - a new heat transfer measurement technique

Thin Layer Thermography - a new heat transfer measurement technique  In order to overcome the shortcomings of conventional temperature instrumentation to compute heat transfer rates, a novel technique for heat transfer measurement is presented. Stemming from infrared thermography, the potential for further development of the ‘Thin Layer Thermography’ is demonstrated. This new measurement technique is based on the wavelength dependent transmissivity of thin layers. It captures temperature distributions on the wall surface and simultaneously in a prescribed and well defined depth of the wall of a given object of interest. This enables the calculation of a temperature gradient normal to the surface and therefore the determination of the wall heat flux. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Thin Layer Thermography - a new heat transfer measurement technique

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Publisher
Springer-Verlag
Copyright
Copyright © 1999 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s003480050287
Publisher site
See Article on Publisher Site

Abstract

 In order to overcome the shortcomings of conventional temperature instrumentation to compute heat transfer rates, a novel technique for heat transfer measurement is presented. Stemming from infrared thermography, the potential for further development of the ‘Thin Layer Thermography’ is demonstrated. This new measurement technique is based on the wavelength dependent transmissivity of thin layers. It captures temperature distributions on the wall surface and simultaneously in a prescribed and well defined depth of the wall of a given object of interest. This enables the calculation of a temperature gradient normal to the surface and therefore the determination of the wall heat flux.

Journal

Experiments in FluidsSpringer Journals

Published: Feb 4, 1999

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