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Chemical Transport in a Sorbing Wave Boundary Layer

Author(s): Chiu-On Ng

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Keywords: Stokes boundary layer; Mass transport; Dispersion coefficient

Abstract: The transport of a chemical species under the pure action of surface progressive waves in the benthic boundary layer that is heavily loaded with sorbing particles is studied theoretically. The flow structure of the boundary layer is approximated by that of a two-layer Stokes boundary layer with a sharp interface between clear water and a heavy-fluid. For a thin layer of heavy-fluid, whose thickness is comparable to the surface wave amplitude and the Stokes boundary layer thickness, effective transport equations are deduced using an averaging technique based on the method of homogenization.


Year: 2001

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