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Hydrodynamic permeability of aggregates of porous particles with an impermeable core

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journal contribution
posted on 2011-06-06, 13:44 authored by Satya Deo, Anatoly Filippov, Ashish Tiwari, Sergey Vasin, Victor Starov
A hydrodynamic permeability of membranes built up by porous cylindrical or spherical particles with impermeable core is investigated. Different versions of a cell method are used to calculate the hydrodynamic permeability of the membranes. Four known boundary conditions, namely, Happel's, Kuwabara's, Kvashnin's and Cunningham/Mehta-Morse's, are considered on the outer surface of the cell. Comparison of the resulting hydrodynamic permeability is undertaken. A possible jump of a shear stress at the fluid-membrane interface, its impact on the hydrodynamic permeability is also investigated. New results related to the calculated hydrodynamic permeability and the theoretical values of Kozeny constant are reported. Both transversal and normal flows of liquid with respect to the cylindrical fibers that compose the membrane are studied. The deduced theoretical results can be applied for the investigation of the hydrodynamic permeability of colloidal cake layers on the membrane surface, the hydrodynamic permeability of woven materials.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Chemical Engineering

Citation

DEO, S. ... et al, 2011. Hydrodynamic permeability of aggregates of porous particles with an impermeable core. Advances in Colloid and Interface Science, 164, (1-2), pp. 21-37.

Publisher

© Elsevier

Version

  • AM (Accepted Manuscript)

Publication date

2011

ISSN

0001-8686;1873-3727

Language

  • en

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