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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v30.i6.50
22 pages

Transport of Contaminants Through the Bottom Sediment Layer. 2. Analysis and Applications

V. L. Polyakov
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

RÉSUMÉ

The paper suggests a thorough analysis of regularities in the transport and accumulation of contaminants in a bottom sediment layer, and in the discharge of those into subgrade soil for a wide range of variation of modeling parameters. Two characteristic subphases are recognized in each of two phases of the process. A background is given for conditions that define a contaminant localization in the bottom sediments. Limits are found out within which the kinetics of exchange processes affects the propagation of the contaminants by increasing their mobility in the first phase and suppressing it in the second one. Estimates are given for the time of characteristic redistribution of the contaminants in the sediment layer, and for an initial moment of their essential discharge.