Scaling of singular structures in extensional flow of dilute polymer solutions

Paul Becherer, Alexander N. Morozov, Wim van Saarloos

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Recently singular solutions have been discovered in purely elongational flows of visco-elastic fluids. We surmise that these solutions; are the mathematical structures underlying the so-called birefringent strands seen experimentally. In order to facilitate future experimental studies of these we derive a number of asymptotic results for the scaling of the width and extension of the near-singular structures in the FENE-P model for polymers of finite extensibility. (c) 2008 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)183-190
Number of pages8
JournalJournal of non-Newtonian fluid mechanics
Volume153
Issue number2-3
DOIs
Publication statusPublished - Aug 2008

Keywords / Materials (for Non-textual outputs)

  • birefringent strands
  • extensional flow
  • stagnation point
  • FENE model
  • STAGNATION POINT
  • INSTABILITIES
  • BIREFRINGENCE
  • FLUIDS
  • MILL

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