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TECHNICAL PAPERS

Heat/Mass Transfer Measurement Within a Film Cooling Hole of Square and Rectangular Cross Section

[+] Author and Article Information
Hyung Hee Cho, Seung Goo Kang, Dong Ho Rhee

Department of Mechanical Engineering, Yonsei University, 134, Shinchon-dong, Seodaemoon-gu, Seoul 120-749, Korea

J. Turbomach 123(4), 806-814 (Feb 01, 2001) (9 pages) doi:10.1115/1.1400109 History: Received February 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Contour plots of Sh for square film cooling hole at M=0.39
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Streamwise distribution of Sh in square injection hole with various Reynolds numbers at M=0.39
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Contour plots of Sh for rectangular film cooling hole at ReDh=25,000
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Streamwise distribution of Sh in rectangular film cooling hole for various blowing rates at ReDh=25,000
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Contour plots of Sh for rectangular film cooling hole at M=0.39
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Schematic view of asymmetric crossflow duct
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Velocity vector plots in square injection hole with asymmetric crossflow duct
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Contour plot of Sh for square injection hole with asymmetric crossflow duct for M=0.39 and ReDh=25,000
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Streamwise distributions of Sh with asymmetric crossflow duct for various Reynolds numbers at M=0.39
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Schematic view of wind tunnel and test section for square and rectangular film cooling holes
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Schematic views of injection holes and crossflow ducts
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Velocity vector plots in square film cooling hole: 0-1: trailing edge side; 1-2, 3-0: sidewalls: 2-3: leading edge side
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Velocity vector plot at center-plane
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Velocity vector plots in square film cooling hole
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Contour plots of Sh for the inside hole surface without mainstream
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Contour plots of Sh for square film cooling hole at ReDh=25,000
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Calculated heat transfer coefficients on the inside hole surface at M=0.39
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Local distributions of Sh for square film cooling hole at ReDh=25,000
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Affected area of the inside circular hole surface by mainflow 15
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Affected area of the inside square hole surface by mainflow
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Streamwise distribution of Sh in square film cooling hole with various blowing ratios at ReDh=25,000

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