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TECHNICAL PAPERS

Infrared Low-Temperature Turbine Vane Rough Surface Heat Transfer Measurements

[+] Author and Article Information
R. J. Boyle, C. M. Spuckler, B. L. Lucci, W. P. Camperchioli

NASA Glenn Research Center, Cleveland, OH 44135

J. Turbomach 123(1), 168-177 (Feb 01, 2000) (10 pages) doi:10.1115/1.1333693 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

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Figures

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Overall view of test section
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Construction of heat transfer vane
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Estimated maximum equivalent roughness height, hEQ+
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Temperatures recorded by infrared camera, °C
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Calculated surface temperatures, °C
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Nusselt number, uniform heat flux
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Nusselt number, nonuniform heat flux
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Midspan Nusselt numbers
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Frossling number at vane stagnation point
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Stanton number at s/Cx=2.5
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Effect of emissivity variation, Re2=0.394×106,M2=0.7, grid

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