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TECHNICAL PAPERS

A Transient Infrared Thermography Method for Simultaneous Film Cooling Effectiveness and Heat Transfer Coefficient Measurements From a Single Test

[+] Author and Article Information
Srinath V. Ekkad

Mechanical Engineering Department, Louisiana State University, Baton Rouge, LA 70803

Shichuan Ou, Richard B. Rivir

U.S. Air Force Research Laboratory, Wright Patterson AFB, OH 45433

J. Turbomach 126(4), 597-603 (Dec 29, 2004) (7 pages) doi:10.1115/1.1791283 History: Received October 01, 2003; Revised March 01, 2004; Online December 29, 2004
Copyright © 2004 by ASME
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References

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Ekkad,  S. V., Zapata,  D., and Han,  J. C., 1997, “Film Effectiveness Over a Flat Surface with Air and CO2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method,” ASME J. Turbomach., 119, pp. 587–593.
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Figures

Grahic Jump Location
Schematic of test facility
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IR images from camera with single hole blowing
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Temperature response of different thermocouples in °C.
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Detailed Nusselt number distributions downstream of the injection hole
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Detailed film effectiveness distributions downstream of the injection hole
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Effect of blowing ratio on spanwise averaged Nusselt number distribution
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Effect of blowing ratio on spanwise averaged film effectiveness distribution

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