Discrete fluidization of dense monodisperse emulsions in neutral wetting microchannels

30 Nov 2019 Fei Linlin Scagliarini Andrea Luo Kai H. Succi Sauro

The rheology of pressure-driven flows of two-dimensional dense monodisperse emulsions in neutral wetting microchannels is investigated by means of mesoscopic lattice simulations, capable of handling large collections of droplets, in the order of several hundreds. The simulations reveal that the fluidization of the emulsion proceeds through a sequence of discrete steps, characterized by yielding events whereby layers of droplets start rolling over each other, thus leading to sudden drops of the relative effective viscosity... (read more)

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Categories


  • SOFT CONDENSED MATTER
  • COMPUTATIONAL PHYSICS
  • FLUID DYNAMICS