Volume 46, Number 5, June I 1999
|Page(s)||571 - 576|
|Published online||01 September 2002|
Interface roughening during the dissolution of porous media
Department of Chemical Engineering Pembroke Street - Cambridge, CB2 3RA, UK
Accepted: 17 March 1999
A cellular automaton for the dissolution of a porous medium by an invading solvent has been studied. We present results of numerical simulations describing the kinetic roughening of the solvent-solid interface formed during the dissolution of a porous medium by an invading solvent front in (2+1) dimensions. For void fractions below the percolation threshold the value of the roughness exponent () and the value of the growth exponent () characterising the solvent-solute interface are consistent with those obtained for surface growth processes falling within the universality class described by the Kardar-Parisi-Zhang equation.
PACS: 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 68.45.-v – Solid-fluid interfaces
© EDP Sciences, 1999
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