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TECHNICAL PAPERS: Gas Turbine Heat Transfer

Film Cooling Effectiveness and Heat Transfer Coefficient Distributions Around Diffusion Shaped Holes

[+] Author and Article Information
Y. Yu, C.-H. Yen, T. I.-P. Shih, M. K. Chyu

Department of Mechanical Engineering, University of Pittsburgh, Pittsburgh, PA 15261

S. Gogineni

Innovative Scientific Solution, Inc., Dayton, OH 45440

J. Heat Transfer 124(5), 820-827 (Sep 11, 2002) (8 pages) doi:10.1115/1.1418367 History: Received February 26, 2000; Revised May 25, 2001; Online September 11, 2002
Copyright © 2002 by ASME
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References

Figures

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Spanwise-average film effectiveness
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Spanwise distribution of film effectiveness for non-shaped circular holes at X/D=3.0,M=0.5, and ReD=4300
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Streamwise distribution of film effectiveness: (a) M=0.5; (b) M=1.0; (c) spanwise average, M=0.5; and (d) spanwise average, M=1.0.
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Laser-sheet flow visualization
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Streamwise distribution of heat transfer coefficient: (a) M=0.5; (b) M=1.0; (c) spanwise average, M=0.5; and (d) spanwise average, M=1.0.
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Heat flux ration: (a) M=0.5; (b) M=1.0; (c) spanwise average, M=0.5; and (d) spanwise average, M=1.0.
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Shape hole geometry and test section

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