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Considère reconsidered: Necking of polymeric liquids

Lookup NU author(s): Emeritus Professor Chris Petrie

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Abstract

We review the Considère construction and discuss its applicability to the prediction of the inception of necking in extensional flow. The behaviour of simple fluid models is used to illustrate the importance of fully specifying the flow conditions. Even for a Newtonian liquid there is a marked difference in the prediction of necking under the application of a constant force and the imposition of a constant rate of strain. © 2009 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Petrie C

Publication type: Article

Publication status: Published

Journal: Chemical Engineering Science

Year: 2009

Volume: 64

Issue: 22

Pages: 4693-4700

ISSN (print): 0009-2509

ISSN (electronic): 1873-4405

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.ces.2009.03.004

DOI: 10.1016/j.ces.2009.03.004

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