Relative gas permeability of capillary networks with various size distributions

The relative gas permeability, P R, of a network of capillaries containing a volume fraction, v s, of sorbed N 2 at 77 K is examined over the whole range of v s. Stochastic networks are considered, characterized by their connectivity and capillary size distributions of a wide variety of simple mathe...

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Bibliographic Details
Published in:Journal of membrane science 1988, Vol.37 (1), p.1-12
Main Authors: Kanellopoulos, N.K., Petrou, J.K.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Membranes
Porous materials
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Summary:The relative gas permeability, P R, of a network of capillaries containing a volume fraction, v s, of sorbed N 2 at 77 K is examined over the whole range of v s. Stochastic networks are considered, characterized by their connectivity and capillary size distributions of a wide variety of simple mathematical forms. The 'effective medium theory' (EMT) is shown to provide a satisfactory approximation of the direct numerical solution of the random linear network.
ISSN:0376-7388
1873-3123
DOI:10.1016/S0376-7388(00)85065-6