TECHNICAL PAPERS
Sep 1, 1988
Turbulence Modeling of Surface Water Flow and Transport: Part III
Publication: Journal of Hydraulic Engineering
Volume 114, Issue 9
Abstract
The third of a five part series, this paper presents the final two case studies demonstrating the use of turbulence models in surface water flow computations. The first case study is by W. Rodi and co‐workers and summarizes calculations of heated effluent disposal into the Rhine River. A model chain concept is defined for the calculation. The distinctions between the chains are based upon the strength of recirculation in the hot zone and the upstream propagation of pressure effects. Comparisons with data reveal that the strong three‐dimensional effects for submerged jets required the full 3D model but that surface jets were adequately modeled by the 2D formulation. The second case study in this paper is by L. Oey, G. Mellor and co‐workers and documents the prediction of flow and salt transport in the Hudson/Raritan River Estuary. A three‐dimensional formulation is used, but horizontal diffusion has been neglected as the grid was assumed fine enough to resolve its effects. The level 2.5 turbulence closure developed by Mellor and Yamada is used and is based upon a turbulence length scale as opposed to dissipation. An extensive series of calculations for the Hudson River estuary region is presented.
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Copyright © 1988 ASCE.
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Published online: Sep 1, 1988
Published in print: Sep 1988
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The ASCE Task Committee on Turbulence Models in Hydraulic Computations
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