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TECHNICAL PAPERS

Free-Stream Turbulence Effects on Film Cooling With Shaped Holes

[+] Author and Article Information
Christian Saumweber, Achmed Schulz, Sigmar Wittig

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

J. Turbomach 125(1), 65-73 (Jan 23, 2003) (9 pages) doi:10.1115/1.1515336 History: Received September 27, 2001; Online January 23, 2003
Copyright © 2003 by ASME
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References

Figures

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Principal arrangement for heat transfer tests
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Finite element mesh of the low thermal conductivity test plate
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Discharge coefficient CD versus pressure ratio ptc/pm
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Comparison of centerline effectiveness with published data, cylindrical holes
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Local adiabatic film-cooling effectiveness—(a) cylindrical holes, (b) fan-shaped holes, (c) laidback fan-shaped holes
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Laterally averaged effectiveness; cylindrical hole
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Spatially averaged effectiveness; cylindrical hole
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Laterally averaged effectiveness; fan-shaped hole
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Spatially averaged effectiveness; fan-shaped hole
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Laterally averaged effectiveness; laidback fan-shaped hole
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Spatially averaged effectiveness; laidback fan-shaped hole
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Laterally averaged effectiveness; cylindrical hole
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Laterally averaged heat transfer coefficient ratio; cylindrical hole
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Laterally averaged heat transfer coefficient ratio; fan-shaped hole
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Laterally averaged heat transfer coefficient ratio; laidback fan-shaped hole

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