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Forum: Main CFD Forum

August 9, 2011, 10:25

Replies: 2

Does buoyancy affect mass diffusion?

Views: 1,929

Posted By evcelica

So I've come to the conclusion The boissenisq...

So I've come to the conclusion The boissenisq approximation would be more appropriate and using the full buoyancy model will change my density and therefore give false results for velocity.
I...

Forum: Main CFD Forum

August 5, 2011, 17:52

Replies: 2

Does buoyancy affect mass diffusion?

Views: 1,929

Posted By evcelica

After thinking more about it I'm quite sure it...

After thinking more about it I'm quite sure it does play a role, and will have to be considered as well. So the full buoyancy model must be used to correctly model molecular diffusion. If anyone...

Forum: Main CFD Forum

August 5, 2011, 14:37

Replies: 2

Does buoyancy affect mass diffusion?

Views: 1,929

Posted By evcelica

Does buoyancy affect mass diffusion?

I am conducting a simulation involving replacing a gas in an enclosed space with a heavier gas. The process is done by slowly purging a light gas out the top of a container by introducing a heavier...

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