The mixing of bubbles in two-dimensional bidisperse foams under extensional shear

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Abstract

Two-dimensional bidisperse foams were simulated in cyclic, uniaxial, extensional shear. Mixing of bubbles of different sizes only occurs at high strains, and once mixed, the bubbles do not segregate. For liquid fractions up to 1%, the rate of mixing is shown to be slightly enhanced by increased liquid fraction.
Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalJournal of Non-Newtonian Fluid Mechanics
Volume137
Issue number1-3
Early online date28 Feb 2006
DOIs
Publication statusPublished - 30 Aug 2006

Keywords

  • Foam
  • Topological changes
  • Mixing
  • Rheology
  • Surface Evolver

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