The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region

D. J. Ferguson*, S. J. Cox

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (SciVal)
157 Downloads (Pure)

Abstract

The non-smooth motion of a single foam lamella traversing an idealised rock pore can lead to a significant pressure drop. We vary two parameters defining the shape of a biconical pore in two dimensions, and use Surface Evolver simulations and geometric arguments to demarcate the four different types of possible motion. We predict the transitions between different-shaped pores in which the lamella makes a symmetric or an asymmetric jump, an asymmetric crawl, or undergoes smooth motion. We give the time-averaged pressure drop as a function of pore shape. (C) 2013 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)56-62
Number of pages7
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume438
Early online date21 Feb 2013
DOIs
Publication statusPublished - 05 Dec 2013

Keywords

  • Foam
  • Porous media
  • Surface Evolver
  • Pressure drop
  • MOBILIZATION PRESSURE-GRADIENT
  • POROUS-MEDIA
  • FLOWING FOAMS
  • VISCOSITY
  • CHANNELS
  • FILMS
  • TUBES

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