Fluids

Fluids

Species dispersion, Multiphase setup

    • poimsm
      Subscriber
      Hello, I am simulating removal of moisture from the mud, for this I have a biphasic model with mass transfer of species (Lee model).nPhases:nLiquid phase with species: mud + moisturenGaseous phase with species: air + water vapornI am using Lee's evaporation-condensation model as a moisture > vapor species transfer mechanism.nThe problem is that the composition of the liquid phase does not change. The mass fraction of the species remains constant according to how I left them in the initialization.nI need part of the moisture (liquid water) to become vapor and the composition of the species in the liquid phase to change. In this way, I could evaluate the amount of moisture lost through a volume integral over the liquid phase.nOn the other hand, the dispersion of the water vapor species in the gas phase seems correct and is not constant since it has concentration gradients.n
    • YasserSelima
      Subscriber
      Use log scale when you are plotting the water VOF .. this might help you see the small changen
    • Rob
      Ansys Employee
      You may also want to monitor the mass of water in the liquid phase using the volume integrals. n
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