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RESEARCH PAPERS

Procedures for Determining Surface Heat Flux Using Thin Film Gages on a Coated Metal Model in a Transient Test Facility

[+] Author and Article Information
J. E. Doorly

Department of Engineering Science, University of Oxford, Oxford, United Kingdom

J. Turbomach 110(2), 242-250 (Apr 01, 1988) (9 pages) doi:10.1115/1.3262187 History: Received February 06, 1987; Online November 09, 2009

Abstract

The paper describes how thin film surface heat flux gages may be used to measure surface heat transfer rate to enamel-coated metal turbine blades. Flexible methods, which are also computationally efficient, for obtaining the heat transfer rate are described. Experimental results, using the new coated metal turbine blades and processing techniques, in a stationary transient cascade facility are given, and are shown to agree well with results using the existing method for gages on single-layer substrate blades. The application of the gages for measuring highly unsteady heat transfer is also discussed.

Copyright © 1988 by ASME
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