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TECHNICAL PAPERS

Flow and Heat (Mass) Transfer Characteristics in an Impingement/Effusion Cooling System With Crossflow

[+] Author and Article Information
Dong Ho Rhee, Jong Hyun Choi, Hyung Hee Cho

Department of Mechanical Engineering, Yonsei University, Seoul, 120-749 Korea

J. Turbomach 125(1), 74-82 (Jan 23, 2003) (9 pages) doi:10.1115/1.1519835 History: Received November 17, 2001; Online January 23, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic view of experimental apparatus
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Schematic diagrams of injection and effusion hole arrangement
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Distributions of Sh for crossflow only (without impingement/effusion flow)
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Comparison with other results near the stagnation point for H/d=2.0 and Red=10,000
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Contour plots of Sh for array jet impingement with initial crossflow at Red=10,000 and H/d=2.0. (a) M=0.5 (MR=0.164), (b) M=1.0 (MR=0.327)
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Local distributions of Sh for array jet impingement with initial crossflow at Red=10,000 and H/d=2.0.
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Calculated velocity vector plots at the injection plane (z/d=3.0) for impingement/effusion cooling with initial crossflow at Red=10,000 and H/d=2.0
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Calculated velocity vector plots at the effusion plane (z/d=0.0) for impingement/effusion cooling with initial crossflow at Red=10,000 and H/d=2.0
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Contour plots of calculated turbulence intensity (%) on the plane 0.1d apart from the effusion plate for various blowing rates at Red=10,000 and H/d=2.0
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Contour plots of Sh for various blowing rates at Red=10,000 and H/d=2.0
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Local distributions of Sh for impingement/effusion cooling with initial crossflow at z/d=1.0
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Local distributions of Sh for impingement/effusion cooling with initial crossflow at z/d=0.0
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Distributions of spanwise averaged Sh for various cooling schemes at Red=10,000 and H/d=2.0
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Distributions of spanwise averaged Sh for impingement/effusion cooling with initial crossflow of various blowing rates at Red=10,000 and H/d=2.0
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Overall averaged Sh for various cooling schemes and blowing rates at Red=10,000 and H/d=2.0

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