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国际流体力学研究期刊
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN 打印: 2152-5102
ISSN 在线: 2152-5110

国际流体力学研究期刊

DOI: 10.1615/InterJFluidMechRes.v30.i6.40
12 pages

Transport of Contaminants Through the Bottom Sediment Layer. 1. Theoretical Solution

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

ABSTRACT

A mathematical formulation is proposed for a process of convection-diffusion transport of contaminants in a uniform sediment layer. The model takes into account its cleaning caused by the contaminant transformation, discharge to the subgrade soil, and exchange. An exact analytical solution to this problem was obtained by an integral transform method. Two characteristic phases of the contaminant transport through the sediment layer are considered. In phase one, considerable contamination of the surface water source favors the intensive sediment layer saturation with the contaminant, in phase two this layer is gradually clearing up owing to an essential decrease in the contamination level.