Numerical Study of Flow Affected by Bendway Weirs in Victoria Bendway, the Mississippi River
Publication: Journal of Hydraulic Engineering
Volume 135, Issue 11
Abstract
It has been observed that submerged weirs in bendways realign the flow and in general improve navigation conditions. This qualitative observation has been the basis for field design. This paper presents a study of hydrodynamics in the Victoria Bendway in the Mississippi River using three-dimensional numerical simulations. A numerical model, CCHE3D, was applied and computational results were compared to three-dimensional velocity data provided by the U.S. Army Corps of Engineers with reasonable agreement. The numerical simulation results were then used to analyze helical currents due to the channel curvature and the presence of submerged weirs. The simulated flow realignment near the free surface indicates that the flow conditions in the bendway were improved by the submerged weirs, however, the effectiveness of each weir depends on its alignment, local channel morphology, and flow conditions.
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Acknowledgments
This investigation is conducted under Grant No. UNSPECIFIEDDACW42-00-P-0456 with the U.S. Army Corps of Engineers, Waterways Experiment Station. Writers appreciate Dr. Tingting Zhu for her technical assistance.UNSPECIFIED
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 135 • Issue 11 • November 2009
Pages: 902 - 916
Copyright
© 2009 ASCE.
History
Received: Nov 4, 2005
Accepted: Jun 3, 2009
Published online: Oct 15, 2009
Published in print: Nov 2009
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