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Analysis of Tracer Dispersion in Polymer Solution Through Porous Media

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Abstract:

Experimental study of tracer dispersion in viscoelastic fluid through porous media is reported. We use different viscoelastic non Newtonian fluid with the same shear shinning properties as the carrier fluid. It is evident that viscoelastic property is also the key factor influences the velocity field and the dispersivity in non Newtonian fluid. High Peclet number yields the enhancement of the viscoelastic effect on the dispersivity of the tracer. Compared to pure viscous fluid, polymer viscoelasticity may lead to a larger vortex and thus a larger sweeping volume and speed field difference which leads to a higher dispersivity.

Keywords: NON NEWTONIAN FLUID; POROUS MEDIA; TRACER; VISCOELASTIC PROPERTIES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/asl.2011.1893

Publication date: November 1, 2011

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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