Hydrodynamics of two-layer media with piecewise constant densities and viscosities and particle sedimentation in the interplate space of a separator

Тип публикации: статья из журнала

Год издания: 2008

Идентификатор DOI: 10.1134/S0040579508060110

Ключевые слова: Fluid dynamics, Separators, Viscosity, Axisymmetric, Constant densities, Critical diameters, Homogeneous liquids, Layer medias, Linear approximations, Liquid/liquid interfaces, Particle sedimentations, Piecewise constants, Sedimenting, Various model parameters, Hydrodynamics

Аннотация: A model of the interplate flow of two immiscible homogeneous liquids with different constant densities and viscosities in a separator is considered. In the linear approximation (taking into account the smallness of the interplate gap), a set of equations is obtained for determining the velocities and pressure of the media and the liquid/liquid interface. The existence of a solution for the axisymmetric case is proved. The interface line between the media is plotted for various model parameters. A generalization of Bremer's formula is obtained for the critical diameter of a sedimenting particle in the case of equal densities of the media.

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Издание

Журнал: THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING

Выпуск журнала: Vol. 42, Is. 6

Номера страниц: 892-898

ISSN журнала: 00405795

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Персоны

Vainshtein I.I. (Siberian Federal University)
Litvinov P.S. (Siberian Federal University)

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