Lock-Exchange Flows in Non-Rectangular Cross-Section Channels

[+] Author and Article Information
Luis Thomas, Beatriz Marino

IFAS, UNCPBA, Pinto 399, B7000GHG Tandil, Argentina Researchers of CONICET

J. Fluids Eng 126(2), 290-292 (May 03, 2004) (3 pages) doi:10.1115/1.1677475 History: Received November 13, 2002; Revised September 30, 2003; Online May 03, 2004
Copyright © 2004 by ASME
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Sketches of an arbitrary cross-section channel showing (a) the lateral view of the initial configuration, (b) the exchange flows lateral view as seen some time after withdrawing the gate, and profiles suggested by the box-model (dashed lines), and (c) a cross-section view
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Channel cross-section shapes suggested by Eq. (3) for different values of the parameter α with β=1
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Fractional depth (a) and front velocity ratio (b) of the bottom current for ρ21≈1
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Velocities of the fronts of the gravity currents running over the bottom (circles) and below the free surface (squares) for different values of g′




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