Solute transport in variable density regime, following an abrupt pressure change in saturated porous media: A simple analytical solution

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Abstract

The transport theory accounting for an abrupt pressure change applied to compressible and variable density fluid in saturated porous media (Sorek 1996), is used to analyze the effects of pressure change on solute migration. The modified balance equations of the solute mass in the porous medium and of the fluid mass and its momentum, during the evolution period when nonlinear wave equations dominates, are solved analytically for a 1-D simplified model. The cases of expansion and compression waves produced by the change of pressure (or pumping/injection rate) are considered. Closed form solutions demonstrate the possibility of considerable solute withdrawal from the upper layer of the porous medium due to the change in pressure or pumping/injection rate.

Original languageEnglish
Title of host publicationComputational methods in water resources - Volume 1 - Computational methods for subsurface flow and transport
EditorsL.R. Bentley, J.F. Sykes, C.A. Brebbia, W.G. Gray, G.F. Pinder, L.R. Bentley, J.F. Sykes, C.A. Brebbia, W.G. Gray, G.F. Pinder
PublisherA.A. Balkema
Pages339-344
Number of pages6
ISBN (Print)9058091244
StatePublished - 1 Jan 2000
EventComputational Methods in Water Resources XIII - Calgary, Canada
Duration: 25 Jun 200029 Jun 2000

Conference

ConferenceComputational Methods in Water Resources XIII
Country/TerritoryCanada
CityCalgary
Period25/06/0029/06/00

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