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TECHNICAL PAPERS

Measurement of Eddy Diffusivity of Momentum in Film Cooling Flows With Streamwise Injection

[+] Author and Article Information
R. W. Kaszeta, T. W. Simon

Heat Transfer Laboratory, University of Minnesota, Minneapolis, MN 55455

J. Turbomach 122(1), 178-183 (Feb 01, 1999) (6 pages) doi:10.1115/1.555421 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Measurement planes and film cooling geometry
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Mean velocity distribution ū/U0 (a), v̄,w̄ (b) versus y/D at x/D=2.5 with l=1.0
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Turbulent shear stress uw [m2 /s2 ] and associated gradient ∂ū/∂z [s−1 ] at x/D=2.5 with l=1.0
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Turbulent shear stress uv [m2 /s2 ] (a) and associated gradient ∂ū/∂y [s−1 ] (b), versus y/D at x/D=2.5 with l=1.0
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Eddy diffusivity of momentum in the z direction, εM,z [m2 /s], at x/D=2.5 with l=1.0
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Eddy diffusivity of momentum in the y direction, εM,y [m2 /s], at x/D=2.5 with l=1.0
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Ratio of eddy diffusivities, εM,zM,y, at x/D=2.5 with l=1.0

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