How to find partial pressure from mass fraction of species?

- July 11, 2023 at 6:14 am
  
  Furqan
  Subscriber
  
  I am working on a model with water liquid as one phase and in gas phase I have two species of water vapor and air. First I want to simulate the evaporation. Secondly, I want to find the partial pressure from the mass fraction of vapor and then find the saturation temperature as function of this partial pressure. Is there any way to do this?
- July 11, 2023 at 8:09 am
  
  Rob
  Ansys Employee
  
  You may also want to check mole concentration. Custom Field Functions can be used (User Defined tab) to calculate any field variables you need/want. You'll find the maths in most Chemical Engineering text books.

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