Issue 10, 2007

Complex dynamics of shear banded flows

Abstract

Many complex fluids undergo a flow induced transition to a state of coexisting bands of differing viscosities and internal structuring. This effect, which is called “shear banding”, is widely observed in wormlike micellar surfactants, onion surfactants, colloidal suspensions and polymer solutions. According to a rapidly accumulating body of experimental evidence, shear bands often exhibit complex dynamics, which can be either oscillatory or chaotic in nature. This can be seen in the unsteady response of the bulk rheological signals, and in the motion of the interface between the bands. After giving a brief overview of this experimental evidence, we review in some detail recent efforts to address it theoretically.

Graphical abstract: Complex dynamics of shear banded flows

Article information

Article type
Review Article
Submitted
25 May 2007
Accepted
06 Jun 2007
First published
23 Aug 2007

Soft Matter, 2007,3, 1262-1279

Complex dynamics of shear banded flows

S. M. Fielding, Soft Matter, 2007, 3, 1262 DOI: 10.1039/B707980J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements