An Air Curtain Along a Wall With High Inlet Turbulence

[+] Author and Article Information
Brandon S. Field, Eric Loth

Department of Aeronautical and Astronautical Engineering, University of Illinois Urbana-Champaign, 104 S. Wright Street, Urbana, IL 61801

J. Fluids Eng 126(3), 391-398 (Jul 12, 2004) (8 pages) doi:10.1115/1.1758265 History: Received December 12, 2002; Revised January 05, 2004; Online July 12, 2004
Copyright © 2004 by ASME
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Evolution of streamwise velocity profiles for a) Re=4600 and b) Re=1500 curtains
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Streamwise velocity profiles for curtains at x/H=5
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Evolution of turbulence intensity levels for Re=3800 curtain
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Curtain thickness development for curtains
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Idealizations made to the display case
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Photograph of laboratory showing display case, lasers, camera and computer for PIV collection
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Sketch of curtain edge showing basic eddy features
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Particle visualizations from Re=3800 curtains
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Fig. 5(af ): Sequential particle visualizations of the Re=3800 curtain with an inter-frame time interval of 0.133 sec. Moving flow features are labeled
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Particle visualizations from inlet of Re=1,500 curtain with a) delayed and b) rapid detachment
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Streamwise velocity contours for Re=8,500 curtain where highest velocities are red and lowest are black
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Initial streamwise velocity and RMS velocity profiles for x/H=1 for Re=4600 curtain



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