Surface Roughness Effects on External Heat Transfer of a HP Turbine Vane

[+] Author and Article Information
M. Stripf, A. Schulz, S. Wittig

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

J. Turbomach 127(1), 200-208 (Feb 09, 2005) (9 pages) doi:10.1115/1.1811101 History: Received October 01, 2003; Revised March 01, 2004; Online February 09, 2005
Copyright © 2005 by ASME
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Grahic Jump Location
Schematic view of the hot wind tunnel
Grahic Jump Location
Three vane linear cascade
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Distribution of acceleration parameter K
Grahic Jump Location
Influence of roughness on Nusselt number distribution for different Re1 and Tu1
Grahic Jump Location
Stanton numbers over surface length Reynolds numbers
Grahic Jump Location
Stagnation point heat transfer
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Suction-side Stanton number distributions with trip wire at s/c=0.24
Grahic Jump Location
Stanton number data at s/c=0.6 for Tu1=4% and correlations from Kays and Crawford




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