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ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508
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Nonlinear Effects in Multiple Regime Transport of Momentum in Longitudinal Capillary Porous Medium Morphology
ABSTRAKT
Equations and consistent closure models based on volume averaging theory (VAT) are developed for transport of momentum, heat, and mass species in a medium with irregularities in a substantially regular porous medium. One-dimensional straight parallel pore morphology (SPPM) is chosen because analytical solutions for bulk permeability and dispersion coefficients can be obtained. A single-phase fluid medium is considered with the potential for accompanying transport of a dilute specie. Numerical simulation results are presented for a canonical morphology consisting of specified, stationary distributions of binary and random diameter distributions of straight pores. Unexpected results were obtained for various flow regime momentum transports in irregular media, demonstrating the influence of deviations in the porous mediums morphology. A Poiseuille-like equation is derived for this morphology that has no adjustable parameters.
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