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Title: MACROSCOPIC ELECTRICAL CONDUCTIVITY FOR MICROSTRUCTURES OF SANDSTONES
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MACROSCOPIC ELECTRICAL CONDUCTIVITY FOR MICROSTRUCTURES OF SANDSTONES
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1314-2704
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English
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19
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1.2
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A quantitative analysis of digital samples of a sandstone core is presented. We compare an exact calculation of the effective electrical conductivity that solves directly the disordered Laplace equation with the result obtained with the help of theoretical Landau-Lifshitz-Matheron type formulas for log-stable probability distributions. To apply these formulas we take measurements of conductivity in cubic subsamples K of sidelength l<L, L is sidelength of digital total sample. Based on these measurements we obtain the effective coefficients for the whole sample. The prediction of effective conductivity by Landau-Lifshitz--Matheron type formula is good quantitative agreement with the exact results.
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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969-976
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30 June - 6 July, 2019
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website
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cdrom
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5168
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digitized pore space images; log-stable probability distributions; effective conductivity.
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