Case Study: Turbulent Flow and Sediment Distributions in a Groyne Field
Publication: Journal of Hydraulic Engineering
Volume 130, Issue 1
Abstract
This study presents measurements and analysis of three-dimensional turbulent flow structure and characteristics of suspended particulate matter distribution. Measurements of velocity vectors provided accurate mapping of the flow pattern inside the groyne field. Although the velocity distributions reveal the validity of the power law for depth range the reduction of velocity magnitude to zero value was observed near the flow free surface. The turbulent kinetic energy distributions follow the slope of the semitheoretical description at and increase at the upper flow layers. The composition of the suspended material changes substantially throughout the groyne field area due to the replacement of nonorganic compounds by organic compounds. The effect of ship-induced currents is shown to be responsible for the rise of suspended sediment concentration up to 17% in comparison with undisturbed conditions and changes in the composition of the suspended material.
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Published In
Journal of Hydraulic Engineering
Volume 130 • Issue 1 • January 2004
Pages: 1 - 9
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Jul 26, 2000
Accepted: May 14, 2003
Published online: Dec 15, 2003
Published in print: Jan 2004
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