| Issue |
Europhys. Lett.
Volume 46, Number 5, June I 1999
|
|
|---|---|---|
| Page(s) | 571 - 576 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i1999-00282-0 | |
| Published online | 01 September 2002 | |
Interface roughening during the dissolution of porous media
Department of Chemical Engineering Pembroke Street - Cambridge, CB2 3RA, UK
Received:
9
November
1998
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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