Permeability Estimation Based on the Geometry of Pore Space via Random Walk on Grids

Figure 2

Void spaces (a) between parallel planes and in straight tubes of (b) a square cross section; (c) a circular cross section; (d) an elliptic cross section; and (e) an equilateral triangular cross section. (f) An ideal porous medium sample consisting of solid and many straight pores. The green area indicates the outer boundary.

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