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TECHNICAL PAPERS: Jets, Wakes, and Impingements

Numerical Simulation of Heat Transfer in a Transitional Boundary Layer With Passing Wakes

[+] Author and Article Information
X. Wu, P. A. Durbin

Center for Integrated Turbulence Simulation and Department of Mechanical Engineering, Stanford University, Building 500, Stanford, CA 94305-3030

J. Heat Transfer 122(2), 248-257 (Nov 29, 1999) (10 pages) doi:10.1115/1.521485 History: Received January 30, 1999; Revised November 29, 1999
Copyright © 2000 by ASME
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References

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Funazaki,  K., and Koyabu,  E., 1999, “Effects of Periodic Wakes Passing Upon Flat Plate Boundary Layers Experiencing Favorable and Adverse Pressure Gradients,” ASME J. Turbomach., 121, pp. 333–340.
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Figures

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Contours of near-wall turbulent temperature fluctuation ϕ in Case 1 over the xz-plane of y=7.38×10−4 (y+=5.4 at x=1.75)
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Time-averaged mean velocity and temperature profiles in wall units; (a) Case 1 at six different streamwise stations; (b) Case 2 (Pr=1.0) at x=2.75
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Rms streamwise velocity and temperature fluctuations; (a) Case 1 at six different streamwise stations; (b) Case 2 (Pr=1.0) at x=2.75
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Rms wall-normal velocity fluctuations at x=2.75
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Streamwise velocity and temperature correlation −〈uϕ+ in Case 1
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Structure parameter a in Case 1
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Turbulent Prandtl number; (a) Case 1 at six different streamwise stations; (b) Case 2 (Pr=1.0) at two streamwise stations
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Reynolds analogy factor
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Time-averaged mean enthalpy thickness in Case 1
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Time-averaged mean Stanton number St
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Phase-averaged mean Stanton number 〈St〉 in Case 1
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Instantaneous Stanton number over the xz-plane at three consecutive instants in Case 1
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Instantaneous temperature over a xy-plane; (a) Case 1; (b) Case 2 (Pr=1.0)
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Instantaneous velocity over a xy-plane; (a) Case 1; (b) Case 2
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CPU per processor for simulation of one wake passing period in Case 1
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(a) Sketch of turbine rotor wake past a downstream stator passage; (b) definition of velocity and length scales in the present simulation

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