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December 9, 2010, 15:24 |
Passive Scalars
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#1 |
New Member
Nikhil Shastry Yelleswarapu
Join Date: Jul 2010
Posts: 5
Rep Power: 16 |
Hello,
I'm modeling CO2 diffusion in water. I was suggested to use passive scalars. I don't know how to set the value of the scalars. Can anyone help me with this? |
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December 27, 2010, 18:06 |
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#2 |
New Member
Jeff
Join Date: Aug 2010
Posts: 11
Rep Power: 16 |
The passive scalar can represent any quantity you want. It's very generic. In your case, it can represent the concentration of CO2. So, if you want, you can normalize so your inlet concentration is 1.0, and your downstream is 0.0. Then the passive scalar will take on a value between 0.0 and 1.0. Or you can provide the quantity in some set of units like Molar.
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