Effect of Walls in Modeling Flow through Porous Media
Publication: Journal of Hydraulic Engineering
Volume 114, Issue 12
Abstract
A study has been undertaken to determine the effect of walls in the modeling of flow through porous media. Two primary influences of the wall are identified: packing effects for an unconsolidated porous medium and viscous effects on the flow. The packing effect is considered through a series of experiments to arrive at an expression for the bulk porosity as a function of the ratio of particle diameter to pipe diameter. From this expression, and assuming that the region of greater haphazard packing occurs at a distance approximately one particle radius from the wall, a porosity of the wall region is determined. The viscous effects are accounted for by incorporating the Brinkman's extension term in the momentum equation. The combined effects are considered by employing a two region model for the fluid mechanics.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 114 • Issue 12 • December 1988
Pages: 1431 - 1448
Copyright
Copyright © 1988 ASCE.
History
Published online: Dec 1, 1988
Published in print: Dec 1988
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