Journal
JOURNAL OF NON-NEWTONIAN FLUID MECHANICS
Volume 196, Issue -, Pages 51-57Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnnfm.2012.12.010
Keywords
Wormlike micelles; Shear banding; Nonequilibrium thermodynamics; Chemical reaction kinetics
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Funding
- University of Delaware
- Association for Women in Mathematics
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In the last decade considerable interest has emerged in understanding and modeling the flow behavior of concentrated wormlike micellar solutions. A significant advance was made through the two-species modeling approach originally proposed by Vasquez, Cook, and McKinley. In the present work we revisit their model from a nonequilibrium thermodynamic perspective. By employing an extension to the nonequilibrium treatment of chemical reaction kinetics for media with an internal structure, we develop a thermodynamic model that closely resembles the one based on more ad hoc assumptions. Thus, we not only validate that model, but now also have a mechanism to systematically produce further refinements. One particular refinement, namely, the inclusion of an additional intermediate length species, is explored. (C) 2013 Elsevier B.V. All rights reserved.
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