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TECHNICAL BRIEFS

Synchronous Vortex Shedding (Vortex Pumping) Downstream of a Flat Plate Array

[+] Author and Article Information
D. W. Guillaume

Department of Mechanical Engineering, California State University, Los Angeles, Los Angeles, CA 90032

J. C. LaRue

Department of Mechanical and Aerospace Engineering, University of California, Irvine, Irvine, CA 92697

J. Fluids Eng 122(1), 183-185 (Nov 03, 1999) (3 pages) doi:10.1115/1.483248 History: Received February 04, 1999; Revised November 03, 1999
Copyright © 2000 by ASME
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References

Figures

Grahic Jump Location
Cross correlations of the downstream velocity with c=2.54 cm,t=0.38 cm, i.e., c/t=6.66,U=2 m/s and x/t=5. (a) has one probe above the surface of plate0, i.e., at y/H=0.305, and the other probe above the surface of the adjacent plate, i.e., at y/H+Δy/H=1.305. (b) has one probe above the surface of plate0, i.e., at y/H=0.310, and the other probe below the surface of the adjacent plate, i.e., y/H+Δy/H=0.690.
Grahic Jump Location
Schematic drawing of test facility that defines nomenclature and specifies the dimensions used for this study
Grahic Jump Location
Smoke visualization of the streaklines passing through and downstream of an array of plates with c=2.54 cm,t=0.38 cm, i.e., c/t=6.66, and U=2 m/s
Grahic Jump Location
The spatial correlation of the downstream axial velocity as a function of y/H obtained using two hot-wires, transversely separated by a distance H, with c=2.54,t=0.38, i.e., c/t=6.66, and U=2 m/s. Symbols: x/t=1.5, ○; x/t=5, ▪;x/t=15, ▴; and x/t=45,× . The normalized uncertainty of the spatial correlation is estimated as ±0.01.

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