Pedotransfer functions for permeability: A computational study at pore scales

作者: Jeffrey D. Hyman , Piotr K. Smolarkiewicz , C. Larrabee Winter

DOI: 10.1002/WRCR.20170

关键词:

摘要: [1] Three phenomenological power law models for the permeability of porous media are derived from computational experiments with flow through explicit pore spaces. The spaces represented by three-dimensional networks in 63 virtual along 15 physical networks. laws relate to (i) porosity, (ii) squared mean hydraulic radius pores, and (iii) their product. Their performance is compared estimates via Kozeny equation, which also uses product porosity estimate permeability. provide tighter than equation even after adjusting extra parameter they each require. best fit based on predictor, that is, square radius.

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