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Modeling of the Near-field Distribution of Pollutants Coming from a Coastal Outfall : Volume 20, Issue 2 (26/04/2013)

By Lyubimova, T. P.

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Book Id: WPLBN0003988840
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: Modeling of the Near-field Distribution of Pollutants Coming from a Coastal Outfall : Volume 20, Issue 2 (26/04/2013)  
Author: Lyubimova, T. P.
Volume: Vol. 20, Issue 2
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Shumilova, N. S., Lyubimova, T. P., Luo, S., Parshakova, Y. N., & Roux, B. (2013). Modeling of the Near-field Distribution of Pollutants Coming from a Coastal Outfall : Volume 20, Issue 2 (26/04/2013). Retrieved from http://hawaiilibrary.net/


Description
Description: Institute of Continuous Media Mechanics Ural Branch of RAS, Perm, Russia. The present study concerns the 3-D distribution of pollutants emitted from a coastal outfall in the presence of strong sea currents. The problem is solved using the nonlinear Reynolds-averaged Navier–Stokes equations in the framework of the k-ε model. The constants of the logarithmic law for the vertical velocity profile in the bottom boundary layer are obtained by processing experimental data from acoustic Doppler current profilers (ADCPs). The near-field distribution of pollutants at different distances from the diffuser is obtained in terms of the ambient flow velocity (steady or with tidal effect) and outfall discharge characteristics. It is shown that even in the case where the effluent density is substantially lower than the ambient sea water density the plume can impact the seabed, creating a risk of pollution of removable bottom sediments.

Summary
Modeling of the near-field distribution of pollutants coming from a coastal outfall

Excerpt
Bowden, K. F.: Physical problems of the benthic boundary layer, Geophys. Surveys, 3, 255–296, 1978.; Holmedal, L. E., Myrhaug, D., and Rue, H.: The sea bed boundary layer under random waves plus current, Continental Shelf Res., 23, 717–750, 2003.; Jirka, G. H., Doneker, R. L., and Hinton, S. W.: User's manual for CORMIX: a hydrodynamic mixing zone model and decision support system for pollutant discharges into surface waters, DeFrees Hydraulics Laboratory, Cornell University: Ithaca, NY, 1996.; Kim, S.-C., Friedrichs, C. T., Maa, J. P.-Y., and Wright, L. D.: Estimating bottom stress in tidal boundary layer from acoustic Doppler velocimeter data, J. Hydraulic Eng., 399–406, 2000.; Muppidi S. and Mahesh K.: Direct numerical simulation of round turbulent jets in crossflow, Fluid Mech., 574 , 59–84, 2007.; Styles R. and Glenn, S. M.: Modelling stratified wave and current bottom boundary layer on the continental shelf, J. Geophys. Res., 105, 24119–24139, 2000.

 

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