Development of Taylor-Görtler Vortices Over the Pressure Surface of a Turbine Blade

[+] Author and Article Information
H. P. Wang

Pratt & Whitney

S. J. Olson

TSI, Inc.

R. J. Goldstein

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

J. Heat Transfer 127(5), 540-543 (May 25, 2005) (4 pages) doi:10.1115/1.1865219 History: Received March 01, 2004; Revised October 31, 2004; Online May 25, 2005
Copyright © 2005 by ASME
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Photographs of Taylor-Görtler vortices on a pressure surface at Reex=5.2×105 (scale in centimeters). (a) Smooth leading edge and (b) Rough leading edge.
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Velocity profiles measured along pressure surface for Reex=5.2×105
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Distribution of measured and calculated boundary layer thickness, wavelength, and Görtler number for Reex=5.2×105
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Average Sherwood variation along blade surface at Reex=5.2×105
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Three-dimensional surface plots for Reex=5.2×105. (a) Reex=5.05×105, smooth LE, (b) Reex=5.28×105, smooth LE, (c) Reex=5.20×105, distributed rough LE, and (d) Reex=5.19×105, distorted rough LE.




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