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TECHNICAL PAPERS: Forced Convection

Film Cooling From Shaped Holes

[+] Author and Article Information
C. M. Bell, H. Hamakawa, P. M. Ligrani

Convective Heat Transfer Laboratory, Department of Mechanical Engineering, University of Utah, Salt Lake City, UT 84112

J. Heat Transfer 122(2), 224-232 (Dec 02, 1999) (9 pages) doi:10.1115/1.521484 History: Received January 21, 1999; Revised December 02, 1999
Copyright © 2000 by ASME
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References

Figures

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Coordinate system and experimental apparatus
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Film hole configurations
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Spanwise-averaged adiabatic film cooling effectiveness for different blowing ratios and different film hole configurations for ρc=0.93
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Spanwise-averaged adiabatic film cooling effectiveness as dependent upon blowing ratio and momentum flux ratio for x/d=8.42 and ρc=0.93
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Spanwise-averaged adiabatic film cooling effectiveness for m=0.7 for different film hole configurations and different density ratios, including comparisons with results from [S]: (5)
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Comparisons of spanwise-averaged adiabatic film cooling effectiveness distributions for CYSA holes with results from [P]: (23)
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Spanwise-averaged iso-energetic Stanton number ratios for different blowing ratios and different hole configurations for ρc=1.0
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Comparisons of spanwise-averaged iso-energetic Stanton number ratio distributions for CYSA holes with results from [E]: (26)
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Spanwise-averaged overall film cooling performance parameters for different blowing ratios and different hole configurations for ρc=0.93−1.0
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Spatially-averaged magnitudes of net heat flux reduction (NHFR) at different momentum flux ratios, including comparisons with results from [Se]: (6)

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