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TECHNICAL PAPERS

Three Component Velocity Field Measurements in the Stagnation Region of a Film Cooled Turbine Vane

[+] Author and Article Information
Marc D. Polanka, J. Michael Cutbirth, David G. Bogard

Mechanical Engineering Department, University of Texas at Austin, Austin, TX 78712

J. Turbomach 124(3), 445-452 (Jul 10, 2002) (8 pages) doi:10.1115/1.1459733 History: Received October 28, 2000; Online July 10, 2002
Copyright © 2002 by ASME
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References

Figures

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Test section of turbine vane facility
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Schematic of vane internal geometry
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Schematic showing positions of data planes relative to hole locations
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Mean velocity field, no coolant injection, Tu=0.5%
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Mean velocity field, M=2.0,Tu=0.5%
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Rms turbulence fields for Tu=0.5%—(a) u/U, (b) v/U, (c) w/U
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Mean velocity field, no coolant injection, Tu=20%
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Mean velocity field, M=20, Tu=20%
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Rms turbulence fields for Tu=20%—(a) u/U, (b) v/U, (c) w/U
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Variations of mean velocity field with spanwise position; coolant injection with M=2.0 and mainstream Tu=20% —(a) z/D=51.7, (b) z/D=50.0, (c) z/D=48.9, (d) z/D=47.3
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Variations of w/U turbulence levels with spanwise position; with M=2.0 and mainstream Tu=20%— (a) z/D=51.7, (b) z/D=50.0, (c) z/D=48.9, (d) z/D=47.3

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