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TECHNICAL PAPERS

Correlation of Film-Cooling Effectiveness From Thermographic Measurements at Enginelike Conditions

[+] Author and Article Information
S. Baldauf, M. Scheurlen

Siemens Power Generation, 45473 Mülheim an der Ruhr, Germany

A. Schulz, S. Wittig

Lehrstuhl und Institut für Thermische Strömungsmaschinen, Universität Karlsruhe (TH), 76128 Karlsruhe, Germany

J. Turbomach 124(4), 686-698 (Nov 07, 2002) (13 pages) doi:10.1115/1.1504443 History: Received November 29, 2001; Online November 07, 2002
Copyright © 2002 by ASME
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References

Figures

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Variation of the blowing rate at low and high density ratio
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Comparison with literature results
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Effect of the blowing angle
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Effect of the hole spacing
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Effect of the turbulence intensity
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Effectiveness plotted versus different downstream scales
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Laterally averaged effectiveness peaks of all measurements
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Normalized effectiveness peaks of all measurements
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Normalized effectiveness curves at different hole spacing
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Scaling of the peak effectiveness maximum
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Normalized and scaled effectiveness curves at low and elevated turbulence level
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Final laterally averaged effectiveness correlation
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Comparison measurement versus correlation

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