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THE DIFFUSION OF GASES THROUGH POROUS MEDIA
Author(s) -
MARSHALL T. J.
Publication year - 1959
Publication title -
journal of soil science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.244
H-Index - 111
eISSN - 1365-2389
pISSN - 0022-4588
DOI - 10.1111/j.1365-2389.1959.tb00667.x
Subject(s) - porous medium , porosity , diffusion , permeability (electromagnetism) , gaseous diffusion , materials science , constant (computer programming) , fick's laws of diffusion , thermodynamics , mechanics , chemistry , chemical engineering , physics , composite material , computer science , engineering , fuel cells , biochemistry , membrane , programming language
Summary The effect of the obstruction of solid on the permeability of porous media is examined. From this it is concluded that, in Penman's equation for diffusion of gases through porous media, the constant 0.66 should be replaced by at where a is the porosity.