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TECHNICAL PAPERS

Experimental Study of Showerhead Cooling on a Cylinder Comparing Several Configurations Using Cylindrical and Shaped Holes

[+] Author and Article Information
H. Reiss, A. Bölcs

Swiss Federal Institute of Technology, Lausanne, Switzerland

J. Turbomach 122(1), 161-169 (Feb 01, 1999) (9 pages) doi:10.1115/1.555420 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Free jet test facility with pivot mechanism for cylinder model
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Cylinder model instrumentation
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Variation of coolant and wall temperatures for a test ensemble
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Overview of showerhead geometries
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Detailed film cooling effectiveness at low Mach number (M=0.14; ReD=8.6e4)
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Detailed film cooling effectiveness at high Mach number (M=0.26; ReD=1.55e5)
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Spanwise-averaged film cooling effectiveness at low Mach number (M=0.14; ReD=8.6e4)
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Spanwise-averaged film cooling effectiveness at high Mach number (M=0.26; ReD=1.55e5)
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Detailed heat transfer at low Mach number (M=0.14; ReD=8.6e4)
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Detailed heat transfer at high Mach number (M=0.26; ReD=1.55e5)
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Spanwise-averaged heat transfer at low Mach number (M=0.14; ReD=8.6e4)
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Spanwise-averaged heat transfer at high Mach number (M=0.26; ReD=1.55e5)
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Comparison of cooling schemes: spanwise-averaged heat flux ratio at discrete surface positions
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Comparison of cooling schemes: spanwise-averaged film cooling effectiveness at discrete surface positions

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