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TECHNICAL PAPERS

Modification of Near-Wall Structure in a Shear-Driven 3-D Turbulent Boundary Layer

[+] Author and Article Information
Robert O. Kiesow

Westinghouse Govt. Services Co. LLC, Electro-Mechanical Division, 1000 Cheswick Ave., Cheswick, PA 15024

Michael W. Plesniak

Purdue University, School of Mechanical Engineering, Maurice J. Zucrow Laboratories, West Lafayette, IN 47907

J. Fluids Eng 124(1), 118-126 (Aug 24, 2001) (9 pages) doi:10.1115/1.1431269 History: Received June 02, 2000; Revised August 24, 2001
Copyright © 2002 by ASME
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References

Figures

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Schematic of 3-D turbulent boundary layer test plate
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Histograms of streak length for (a) Wr=0 and (b) Wr=2.0
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Nondimensionalized power spectra at 1.5 δ downstream of belt edge at y=6 mm for (a) Wr=0 and (b) Wr=2.0
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Instantaneous velocity field in xz-plane at y/δ=0.01 from x/δ=−0.4 to 0.6 for (a) stationary belt (Wr=0.0) and (b) Wr=2.75
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Contour plots of instantaneous transverse vorticity, ωy, at belt trailing edge for velocity ratios (a) Wr=0 and (b) Wr=2.75
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Secondary velocity fields in the xy-plane at belt trailing edge for belt velocity ratios (a) Wr=0 and (b) Wr=2.75
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Contour plots of instantaneous spanwise vorticity, ωz, at belt trailing edge for belt velocity ratios (a) Wr=0 and (b) Wr=2.75
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Boundary layer profiles of streamwise velocity at x/δ=0.5 downstream of belt trailing edge for velocity ratios of Wr=0, 1.0, 2.0, and 2.75
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Profiles of u2 Reynolds stress at x/δ=0.5 downstream of belt trailing edge for velocity ratios of Wr=0, 1.0, 2.0, and 2.75
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Profiles of v2 Reynolds stress at x/δ=0.5 downstream of belt trailing edge for velocity ratios of Wr=0, 1.0, 2.0, and 2.75
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Profiles of −uv Reynolds stress at x/δ=0.5 downstream of belt trailing edge for velocity ratios of Wr=0, 1.0, 2.0, and 2.75

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