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TECHNICAL PAPERS

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2—External Aerodynamics, Total Pressure Losses, and Predictions

[+] Author and Article Information
Oguz Uzol, Cengiz Camci

Turbomachinery Heat Transfer Laboratory, The Pennsylvania State University, University Park, PA 16802

J. Turbomach 123(2), 249-257 (Feb 01, 2000) (9 pages) doi:10.1115/1.1351817 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Trailing edge coolant ejection configurations
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Typical speckle images for PIV measurements (Blade A)
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Variation of the mean velocity inside the wake with number of samples
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Measured PIV speed contours at Remax=350.000
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Measured PIV speed contours at Remax=500,000
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Measured velocity profiles inside the wake along line AA
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Effect of cut-back length on wake velocity defect (0 percent ejection rate)
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Measured total pressure loss profiles along line AA
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Computational meshes for Blades A and B
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Speed contours and turbulent kinetic energy contours for Blade A
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Speed contours and turbulent kinetic energy contours for Blade B

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