Hydraulic Analysis of a Reversible Fluid Coupling

[+] Author and Article Information
Charles N. McKinnon

Boeing North American, Downey, CA

Danamichele Brennen

McGettigan Partners, Philadelphia, PA

Christopher E. Brennen

California Institute of Technology Pasadena, CA 91125

J. Fluids Eng 123(2), 249-255 (Dec 05, 2000) (7 pages) doi:10.1115/1.1350819 History: Received August 04, 2000; Revised December 05, 2000
Copyright © 2001 by ASME
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Cross section of reversible fluid coupling showing key locations in the fluid cavity
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Sketch showing the subdivision of the flow into streamtubes
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Velocity triangle at the turbine/pump transition station, i=1. Flow is from the right to left, the direction of rotation is upward and the angles are shown as they are when they are positive.
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Cross section of a turning vane
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Efficiency and torque coefficients for the reversible coupling using Cpa=Cta=0.7,Cpb=Ctb=1.0,Cv=0.36,Csw=0.02,Cw=0.005 and an effective turning vane discharge angle of −72.8 deg
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Velocity of turning vane discharge jets for the same conditions as listed in Fig. 5
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Meridional velocity distributions at the transition stations for four different slip values




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