Effect of Endwall Motion on Blade Tip Heat Transfer

[+] Author and Article Information
V. Srinivasan, R. J. Goldstein

Heat Transfer Laboratory, Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

J. Turbomach 125(2), 267-273 (Apr 23, 2003) (7 pages) doi:10.1115/1.1554411 History: Received August 15, 2002; Online April 23, 2003
Copyright © 2003 by ASME
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Cascade coordinates and parameters
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Schematic diagram of the moving wall apparatus
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Part drawing of tip surface of hollow blade with location of pressure taps
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Blade loading near the tip at z/C=0.12 for t/C=0.6%
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Pressure profile on tip for t/C=0.6, 0.86%
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Coordinate system used for measurement
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Contour plot of Sh for t/C=0.6%,EES=0
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(a) Sh on fore half of blade, t/C=0.6%; (b) Sh on aft half of blade, t/C=0.6%
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(a) Sh on fore half of blade, t/C=0.86%; (b) aft half of blade, t/C=0.86%
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(a) Fore half of blade, t/C=1.72%; (b) aft half of blade, t/C=1.72%
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Oil-lampblack flow visualization on tip




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