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TECHNICAL PAPERS

Effects of Tip Geometry and Tip Clearance on the Mass/Heat Transfer From a Large-Scale Gas Turbine Blade

[+] Author and Article Information
M. Papa, F. Gori

Department of Mechanical Engineering, University of Rome ‘Tor Vergata,’ Rome, Italy

R. J. Goldstein

Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

J. Turbomach 125(1), 90-96 (Jan 23, 2003) (7 pages) doi:10.1115/1.1529190 History: Received October 18, 2001; Online January 23, 2003
Copyright © 2003 by ASME
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References

Figures

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Squealer tip assembly—(a) exploded view, (b) assembled view
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Top view and cross-sectional view of blade tip Assemblies—(a) squealer tip, (b) winglet-squealer tip
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Contour plot of Sherwood number distribution for the squealer tip
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3-D plot of Sherwood number distribution for the squealer tip
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Contour plot of Sherwood number distribution for the winglet-squealer tip
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3-D plot of Sherwood number distribution for the winglet-squealer tip
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Average Sherwood number as a function of tip clearance
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Flow visualization for blade tips (τ/C=3.6%)

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