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Forum: FLUENT

July 14, 2011, 17:05

Replies: 12

Odd units on UDS for Isotropic Diffusion

Views: 6,471

Posted By MASOUD

Yes, you are right and I've been working on this...

Yes, you are right and I've been working on this during the past couple weeks. I've used UDMs to mark the cells adjacent to the Wall in a ADJUST macro and then imposed the sink/source terms to these...

Forum: FLUENT

July 14, 2011, 00:48

Replies: 12

Odd units on UDS for Isotropic Diffusion

Views: 6,471

Posted By MASOUD

Great! I'm now more confident about what I'm...

Great! I'm now more confident about what I'm doing.

Just a quick question; this is NOT about UDS, it's species model! I need to impose a convective mass transfer B.C. to an external boundary. As...

Forum: FLUENT

July 11, 2011, 14:26

Replies: 12

Odd units on UDS for Isotropic Diffusion

Views: 6,471

Posted By MASOUD

Thanks for the prompt reply. That's right....

Thanks for the prompt reply.

That's right. It's a single phase fuel cell model with two UDSs for the 'electronic potential' and 'ionic potential'. The scalars unit is (Volt) and the diffusivity is...

Forum: FLUENT

July 11, 2011, 13:11

Replies: 12

Odd units on UDS for Isotropic Diffusion

Views: 6,471

Posted By MASOUD

question about UDS diff

Hi Kristian,

How about if the scalar something other than 'mass fraction'? Precisely, if the scalar is electronic conductivity (1/ohm.meter), should it be multiplied by fluid density?

Thanks

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