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Old   February 10, 2010, 03:36
Default Oxygen mass transfer
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Luis Cea
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Hello,

I am trying to model the mixing of oxygen and water in a mixing vessel. I am considering 2 phases and 3 components. The liquid phase is a mixture of water and dissolved oxygen, and the gas phase is pure oxygen. I would like to include the mass transfer from pure oxygen (gas phase) to dissolved oxygen (liquid phase), but cannot find any tutorial which indicates how to do this. The tutorials I have related to mixing vessels do not consider the mass transfer between the gas and liquid phases.
Can anyone help with this or give any hint?

many thanks,
Luis
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Old   February 10, 2010, 05:27
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Glenn Horrocks
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You will need to contact CFX support for examples of advanced simulations like this.
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Old   February 10, 2010, 07:36
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Idtisak Paopo
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Quote:
Originally Posted by lcea View Post
Hello,

I am trying to model the mixing of oxygen and water in a mixing vessel. I am considering 2 phases and 3 components. The liquid phase is a mixture of water and dissolved oxygen, and the gas phase is pure oxygen. I would like to include the mass transfer from pure oxygen (gas phase) to dissolved oxygen (liquid phase), but cannot find any tutorial which indicates how to do this. The tutorials I have related to mixing vessels do not consider the mass transfer between the gas and liquid phases.
Can anyone help with this or give any hint?

many thanks,
Luis
I am using CFX v.11. For the quick suggestion, you can define each phase with its components like O2 in air then O2l in liquid phase and you can link these 2 components with Henry's law. All can be done in CFX v. 11 but it will consume lot of time to simulate. Now I consider only O2 but I need to run it on a cluster so you need to consider about your computer capacity as well.
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Old   February 10, 2010, 10:54
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Luis Cea
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Many thanks for your help.
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