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Journal of Porous Media
Fator do impacto: 1.752 FI de cinco anos: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

Volumes:
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Journal of Porous Media

DOI: 10.1615/JPorMedia.v13.i10.10
pages 855-873

MODELING TRANSPORT IN POROUS MEDIA BY CONTROL VOLUME ANALYSIS

Faruk Civan
Mewbourne School of Petroleum and Geological Engineering, The University of Oklahoma, 100 East Boyd, SEC Room 1210, Norman, Oklahoma, USA

RESUMO

Theoretical formulation of spontaneous transport and macroscopic conservation equations by control volume analysis is presented for single- and multiphase fluid systems flowing through porous media. Results obtained by control volume balance are compared with those of representative elementary volume averaging. Common issues involved in conventional porous media averaging are delineated. The effect of various factors on the relationship between bulk volume and pore-fluid volume averages is determined. Dispersion by spontaneous transfer is confirmed to exist both in microscopic and macroscopic transport equations unless the dispersion affect is negligible, or the fluid and porous media conditions are uniform. Critical insights and guidance are provided as to the proper implementation of the porous media volume averaging rules for modeling transport processes in porous media.


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