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TECHNICAL PAPERS

A Novel Transient Heater-Foil Technique for Liquid Crystal Experiments on Film-Cooled Surfaces

[+] Author and Article Information
G. Vogel, A. B. A. Graf

Laboratoire de Thermique Appliquée et de Turbomachines (LTT), EPFL, 1015 Lausanne, Switzerland

J. von Wolfersdorf, B. Weigand

Institut für Thermodynamik der Luft- und Raumfahrt, Universität Stuttgart, 70569 Stuttgart, Germany

J. Turbomach 125(3), 529-537 (Oct 29, 2002) (9 pages) doi:10.1115/1.1578501 History: Received October 10, 2001; Revised October 29, 2002
Copyright © 2003 by ASME
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References

Figures

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Schema of the solid plane plate with the heater-foil, the coolant injection, cooling holes, the main gas flow, and some relevant physical quantities
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Schematic drawing of the test facility and the devices present around the test section
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Film-cooled flat plate heater-foils and bus bars configurations
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Relative error evolution with the increase of the number of experiments used for the regression analysis
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From measurements derived (left) and calculated (right) dimensionless reference heat flux distribution for cases 1 and 2
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Spatial distributions of heat transfer coefficients and adiabatic film cooling effectiveness
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Lateral-averaged values of the heat transfer coefficient and the adiabatic film-cooling effectiveness (derived from the data given in Fig. 6)

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