Measurement and Analyses of Heat Flux Data in a Turbine Stage: Part I—Description of Experimental Apparatus and Data Analysis

[+] Author and Article Information
M. G. Dunn, W. J. Rae

Aerodynamic Research Department, Calspan Advanced Technology Center, Buffalo, N.Y. 14225

J. L. Holt

Air Force Wright Aeronautical Laboratories, Aero Propulsion Laboratory, Wright-Patterson AFB, Ohio 45433

J. Eng. Gas Turbines Power 106(1), 229-233 (Jan 01, 1984) (5 pages) doi:10.1115/1.3239539 History: Received December 27, 1982; Online October 15, 2009


Parts I and II of this paper report the measurements and analysis of detailed heat flux distributions obtained on the nozzle guide vane (NGV), rotor, and shroud of the full-stage rotating turbine of the Garrett TFE 731-2 engine. Part I includes a description of the experimental apparatus, a discussion of the measurements performed and a discussion of the data analysis procedure. Part II is composed of a presentation of experimental conditions, a discussion of results, and comparison of these results with predictions obtained using a flat-plate technique and with predictions obtained using STAN5. The essential features of the measurement program are that a shock tube is used as a short-duration source of heated air and miniature thin-film heat-flux gages are used to obtain detailed measurements on the component parts. The gasdynamic and physical parameters of the experiment are representative of typical engine operating conditions.

Copyright © 1984 by ASME
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