CFD Modeling of Multiphase Flows
CFD modeling of multiphase systems is very challenging due to the wide range of length and time scales associated with each phase and their interactions. For disperse multiphase flows, CFD models can be formulated in terms of either a Eulerian or Lagrangian description of the disperse phase. However, both should provide the same information if formulated consistently. In this presentation, I will focus on polydisperse two-phase flows with arbitrary material-density ratios (bubbly flow to granular flow), emphasize multi-scale CFD models in an Eulerian-Eulerian context, and discuss the state-of-the-art for treating pseudo-turbulence, and polydispersity while ensuring well-posed model equations.
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