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Title:

A thermodynamic study of shear banding in polymer solutions

Document type:
Zeitschriftenaufsatz
Author(s):
Soroush Hooshyar, Natalie Germann
Abstract:
Although shear banding is a ubiquitous phenomenon observed in soft materials, the mechanisms that give rise to shear-band formation are not always the same. In this work, we develop a new two-fluid model for semi-dilute entangled polymer solutions using the generalized bracket approach of nonequilibrium thermodynamics. The model is based on the hypothesis that the direct coupling between polymer stress and concentration is the driving mechanism of steady shear-band formation. To obtain smooth ba...     »
Journal title:
PHYSICS OF FLUIDS
Year:
2016
Fulltext / DOI:
doi:10.1063/1.4953859
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