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TECHNICAL PAPERS

Flow Investigation Around a V-Sector Ball Valve

[+] Author and Article Information
P. Merati, M. J. Macelt

Department of Mechanical and Aeronautical Engineering, Western Michigan University, Kalamazoo, Michigan, Kalamazoo, MI 49008

R. B. Erickson

Vice President of Technology, Goulds Pumps, Inc., Seneca Falls, NY 13148

J. Fluids Eng 123(3), 662-671 (Feb 09, 2001) (10 pages) doi:10.1115/1.1385831 History: Received July 07, 2000; Revised February 09, 2001
Copyright © 2001 by ASME
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References

Figures

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Experimental test setup
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Overhead view of the test loop
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Top view of Plexiglas valve
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Side view of Plexiglas valve
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LDV laser beams in valve region
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Illustration of percent opening
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Coordinate system for LDV measurements
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Schematic of the V-ball valve vortex
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Streamwise mean components of the flow velocity, 50 percent open and 4.42 lit/s
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Turbulence intensity profiles, 50 percent open and 4.42 lit/s
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Pressure power spectra for the valve at 50 percent and 100 percent open with 7.25 lit/s
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Pressure power spectra for the valve at 50 percent and 100 percent open with 7.25 lit/s
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Broadband Strouhal frequency
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Broadband Strouhal number
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Strouhal number versus Reynolds number at each test condition
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Two-dimensional model of the valve and the piping system (units in cm)
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Velocity vectors near the valve
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Streamwise component of the velocity
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(a) Turbulence kinetic energy profiles; (b) Constant contours of turbulence kinetic energy
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(a) Eddy dissipation rate profiles; (b) Constant contours of eddy dissipation rate
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Constant contours of absolute static pressure

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