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TECHNICAL PAPERS

Effect of Internal Coolant Crossflow Orientation on the Discharge Coefficient of Shaped Film-Cooling Holes

[+] Author and Article Information
M. Gritsch, C. Saumweber, A. Schulz, S. Wittig, E. Sharp

Lehrstuhl und Institut für Thermische Strömungsmaschinen, Universität Karlsruhe (T.H.), Kaiserstr. 12, 76128 Karlsruhe, Germany

J. Turbomach 122(1), 146-152 (Feb 01, 1999) (7 pages) doi:10.1115/1.555436 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Film-cooling test section
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Cylindrical hole, discharge coefficient CD versus pressure ratio ptc/pm
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Fan-shaped hole, discharge coefficient CD versus pressure ratio ptc/pm
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Laid-back fan-shaped hole, discharge coefficient CD versus pressure ratio ptc/pm
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Discharge coefficient CD versus pressure ratio ptc/pm, effect of hole shape
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Cylindrical hole, discharge coefficient CD versus internal crossflow Mach number Mac
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Fan-shaped hole, discharge coefficient CD versus internal crossflow Mach number Mac
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Laid-back fan-shaped hole, discharge coefficient CD versus internal crossflow Mach number Mac
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Cylindrical hole, discharge coefficient CD versus pressure ratio ptc/pm, effect of coolant crossflow orientation
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Laid-back fan-shaped hole, discharge coefficient CD versus pressure ratio ptc/pm, effect of coolant crossflow orientation
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Cylindrical hole, normalized discharge coefficient versus jet-to-internal crossflow momentum flux ratio
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Fan-shaped hole, normalized discharge coefficient versus jet-to-internal crossflow momentum flux ratio
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Laid-back fan-shaped hole, normalized discharge coefficient versus jet-to-internal crossflow momentum flux ratio
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Cylindrical hole, comparison of measured and predicted discharge coefficients
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Fan-shaped hole, comparison of measured and predicted discharge coefficients
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Laid-back fan-shaped hole, comparison of measured and predicted discharge coefficients

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