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3D Flow and transport in highly heterogeneous porous media


EMSL Project ID
5113

Abstract

We will be examining flow and transport, specifically macrodispersion, in highly heterogeneous media in 3-dimensions. Particular focus will be on tailing phenomena that lead to non-Fickian spreading. Media will be contrasting silica sands (accusand), and the solute will be a sodium bromide salt at 50 ppm. Measurements will be taken internally via in situ probes (conductivity or bromide specific electrodes) supplied by the user. Effluent concentration at the outlet will be monitored continuously via bromide specific electrodes.

Heterogenities will be formed by freezing low-conductivity sand as spheres of approx 5 cm diameter; these will be placed in a high conductivity background during packing. Experimental parameters will be the Peclet number and solute pulse length.

Project Details

Project type
Exploratory Research
Start Date
2004-07-02
End Date
2005-08-07
Status
Closed

Team

Principal Investigator

Brian Wood
Institution
Oregon State University

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