Exact and approximate calculations for the conductivity of sandstones

We analyze a three-dimensional pore space reconstruction of Fontainebleau sandstone and calculate from it the effective conductivity using local porosity theory. We compare this result with an exact calculation of the effective conductivity that solves directly the disordered Laplace equation. The prediction of local porosity theory is in good quantitative agreement with the exact result.

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Year of publication:	1999
Authors:	Widjajakusuma, J ; Manwart, C ; Biswal, B ; Hilfer, R
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 270.1999, 1, p. 325-331
Publisher:	Elsevier
Subject:	Porous materials \| Effective material parameters \| Self-consistent method

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010871763