3‐D Laminar stationary flow over a porous surface with suction: Description at pore level

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Abstract
The microhydrodynamics associated with membrane cross‐flow microfiltration processes is analyzed. To this end, numerical computations of the flow near a pore of a spatially periodic model porous surface are performed for various porosities and suction conditions. The structure of the fluid capture tube as well as related fluid dynamics aspects, such as the existence of a recirculating eddy in the pore, the slip velocity at the wall, and the pressure drop across the pore, are investigated. In particular, the influence of the neighbor pores on the structure of the fluid capture tube of a given pore is studied.

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