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-   -   Henry's law (https://www.cfd-online.com/Forums/cfx/25594-henrys-law.html)

Sally April 4, 2008 15:08

Henry's law
 
I'm looking for a clue as to how the Henry's law option works in a multiphase simulation.

On the fluid pairs tab, the component pairs window shows the combination of components in gas and liquid - let's say oxygen and water.

If I specify a Henry's law value, and a mass transfer co-efficient, how does CFX know to what component in the water to transfer the oxygen to. I can specify oxygen as a component of the water phase (variable mixture), but it will have different properties to the gas phase oxygen (such as density), so I have to specify a new material for the dissolved oxygen phase.

How do I tell CFX that I want the ocygen to go to the oxygen component I define in the water phase ?

Thanks, Sally.


Roger Young April 23, 2008 08:43

Re: Henry's law
 
Under Fluid Pairs select O2(aq)|O2(g) as a component pair and then Interface Equilibrium Model Option: Henry's Law



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