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Type: Journal article
Title: Smart baffle placement for chaotic mixing
Author: Clifford, Michael J.
Cox, Stephen Michael
Citation: Nonlinear Dynamics, 2006; 43(1-2):117-126
Publisher: Kluwer Academic Publishers
Issue Date: 2006
ISSN: 0924-090X
School/Discipline: School of Mathematical Sciences
Statement of
Michael J. Clifford, Stephen M. Cox
Abstract: It is well known that fluid mixing can often be improved by the introduction of ‘baffles’ into the flow – the problem of baffle placement is examined here for chaotic fluid mixing of a highly viscous fluid. A simple model for a planetary mixer, with one stirring element, is modified by the introduction of one or more stationary baffles. Regular regions of poor mixing in the unbaffled flow are shown to be significantly reduced in size if the location of the baffles is chosen so that the flow necessarily generates ‘topological chaos’. By contrast, the positioning of baffles in superficially similar ways that do not generate such ‘topological chaos’ fails to provide a similar improvement.
Keywords: chaotic mixing; topological chaos
Rights: © Springer, Part of Springer Science+Business Media
DOI: 10.1007/s11071-006-0755-9
Appears in Collections:Mathematical Sciences publications

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