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June 22, 2007, 03:49 |
Semipermeable wall
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#1 |
Guest
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Hi!
I am running multiphase simulations and I believe it shoud be possible to model a wall which is permeable to only one fluid. That is, for one fluid it behaves as a wall and for the other as an outlet or opening. Does anyone know how to do this in CFX. I have seen that you can make the wall fluxes dependent on volume fraction, but I do not quite see how to make the wall semipermeable from that. Thanks for any help! - Terje |
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June 23, 2007, 05:28 |
Re: Semipermeable wall
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#2 |
Guest
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It depends what you want to do:
If you want to model a membrane which allows a dispersed gas phase to escape, you can use the 'degassing' wall boundary option. This treats the boundary as an outlet for a dispersed phase and a no slip wall for a continuous phase. Johnson |
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