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Three-dimensional saltwater–freshwater fingering in porous media: contrast agent MRI as basis for numerical simulations


Oswald, Sascha E; Spiegel, Marcus A; Kinzelbach, Wolfgang (2007). Three-dimensional saltwater–freshwater fingering in porous media: contrast agent MRI as basis for numerical simulations. Magnetic Resonance Imaging, 25(4):537-540.

Abstract

This study investigated miscible fingering phenomena in a saturated porous medium due solely to fluid density differences. The objective was to determine dissolved salt concentrations in the porous medium and, thus, local fluid density with high temporal resolution and covering substantial volume. A magnetic resonance imaging method, which can achieve this goal by adding Cu(II)SO(4) to salt solutions, has been developed. This method was applied here to observe and quantify three-dimensional miscible fingering for the initial unstable layering of saltwater above freshwater. Additionally, characteristic properties were defined and evaluated to facilitate a more meaningful comparison with numerical simulations.

Abstract

This study investigated miscible fingering phenomena in a saturated porous medium due solely to fluid density differences. The objective was to determine dissolved salt concentrations in the porous medium and, thus, local fluid density with high temporal resolution and covering substantial volume. A magnetic resonance imaging method, which can achieve this goal by adding Cu(II)SO(4) to salt solutions, has been developed. This method was applied here to observe and quantify three-dimensional miscible fingering for the initial unstable layering of saltwater above freshwater. Additionally, characteristic properties were defined and evaluated to facilitate a more meaningful comparison with numerical simulations.

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7 citations in Web of Science®
8 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2007
Deposited On:21 May 2014 07:11
Last Modified:05 Apr 2016 17:51
Publisher:Elsevier
ISSN:0730-725X
Additional Information:Proceedings of the Eighth International Bologna Conference on Magnetic Resonance in Porous Media
Publisher DOI:https://doi.org/10.1016/j.mri.2006.11.017
PubMed ID:17466782

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