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Forum: Main CFD Forum

November 9, 2012, 07:39

Replies: 6

Mass transfer in cfd

Views: 1,698

Posted By Simbelmynë

After some more reading I found that in Cussler's...

After some more reading I found that in Cussler's "Diffusion - Mass transfer in fluid systems", they derive the continuity equation using mass averaged velocities and for the continuity equation of...

Forum: Main CFD Forum

November 6, 2012, 14:18

Replies: 6

Mass transfer in cfd

Views: 1,698

Posted By Simbelmynë

1) Ok, but I thought it was more a way to enforce...

1) Ok, but I thought it was more a way to enforce that the sum of all mass fractions is one. This usually means that the largest species will vary due to numerical round off etc. of all species, but...

Forum: Main CFD Forum

November 6, 2012, 06:58

Replies: 6

Mass transfer in cfd

Views: 1,698

Posted By Simbelmynë

Thank you for your reply Michujo. Do you have any...

Thank you for your reply Michujo. Do you have any references to the correction velocity you speak of?

I am not certain that Pe number is the correct one to use here (it is certainly correct to use...

Forum: Main CFD Forum

November 6, 2012, 04:53

Replies: 6

Mass transfer in cfd

Views: 1,698

Posted By Simbelmynë

Mass transfer in cfd

Hey,

I wonder if we usually ignore the mass convection caused by mass diffusion (i.g. by assuming dilute mixture and/or equimolar counter-diffusion) when writing codes?

My second question is if...

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