Elastic instability of the interface in Couette flow of viscoelastic liquids

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59 Scopus citations

Abstract

An error in the literature of two-layer Couette flow of viscoelastic liquids is corrected. It is shown that even in the absence of viscosity stratification, a long wave interfacial instability due to elastic stratification can occur when the more elastic component occupies less than half of the total volume inside the channel.

Original languageEnglish (US)
Pages (from-to)261-267
Number of pages7
JournalJournal of Non-Newtonian Fluid Mechanics
Volume40
Issue number2
DOIs
StatePublished - Sep 16 1991
Externally publishedYes

Keywords

  • interfacial instability
  • viscoelastic fluids

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Applied Mathematics

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