|Author||Schwartz, L. M. ♦ Martys, N. ♦ Garboczi, E. J. ♦ Torquato, S.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ♦ FLUID FLOW ♦ PERMEABILITY ♦ GRANULAR MATERIALS ♦ CORRELATIONS ♦ DARCY LAW ♦ DIFFUSION ♦ ELECTRIC CONDUCTIVITY ♦ NAVIER-STOKES EQUATIONS ♦ NUMERICAL SOLUTION ♦ POROUS MATERIALS ♦ THREE-DIMENSIONAL CALCULATIONS ♦ DIFFERENTIAL EQUATIONS ♦ ELECTRICAL PROPERTIES ♦ EQUATIONS ♦ MATERIALS ♦ PARTIAL DIFFERENTIAL EQUATIONS ♦ PHYSICAL PROPERTIES 665000* -- Physics of Condensed Matter-- (1992-)|
|Abstract||Results from a numerical study examining cross-property relations linking fluid permeability to diffusive and electrical properties are presented. Numerical solutions of the Stokes equations in three-dimensional consolidated granular packings are employed to provide a basis of comparison between different permeability estimates. Estimates based on the [Lambda] parameter (a length derived from electrical conduction) and on [ital d][sub [ital c]] (a length derived from immiscible displacement) are found to be considerably more reliable than estimates based on rigorous permeability bounds related to pore space diffusion. We propose two hybrid relations based on diffusion which provide more accurate estimates than either of the rigorous permeability bounds.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics|
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