Rheology-modulated contact line dynamics of an immiscible binary system under electrical double layer phenomena

Mondal, Pranab Kumar ; DasGupta, Debabrata ; Chakraborty, Suman (2015) Rheology-modulated contact line dynamics of an immiscible binary system under electrical double layer phenomena Soft Matter, 11 (33). pp. 6692-6702. ISSN 1744-683X

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Official URL: http://pubs.rsc.org/en/content/articlelanding/2015...

Related URL: http://dx.doi.org/10.1039/C5SM01175B

Abstract

We investigate the electrically driven contact line dynamics of a binary fluid system constituted by one Newtonian and another non-Newtonian fluid in a narrow fluidic channel with chemically patched walls. We use a power-law model to describe the rheology of the non-Newtonian fluid and a diffuse interface phase-field method to model the dynamics of multiple phases. We bring out the alteration in the interfacial dynamics as attributable to the rheology-driven modifications in the interfacial stress and its interplay with the Maxwell stress originating from electrokinetic effects.

Item Type:Article
Source:Copyright of this article belongs to Royal Society of Chemistry.
ID Code:100305
Deposited On:08 Nov 2016 05:00
Last Modified:08 Nov 2016 05:00

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