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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Wang,  H. P., Goldstein,  R. J., and Olson,  S. J., 1999, “Effect of High Free-Stream Turbulence with Large Length Scale on Blade Heat/Mass Transfer,” ASME J. Turbomach., 121, pp. 1–8.
Goldstein,  R. J., and Cho,  H. H., 1995, “A Review of Mass Transfer Measurements using Naphthalene Sublimation,” Exp. Therm. Fluid Sci., 10, pp. 416–434.
Coleman, H. W., and Steel, W. G., Jr., 1999, Experimentation and Uncertainty Analysis for Engineers, 2nd ed., Wiley, New York.
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Grahic Jump Location
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.
Grahic Jump Location
Average Sherwood variation along blade surface at 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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Velocity profiles measured along pressure surface for Reex=5.2×105
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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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