Search Results

Showing results 1 to 4 of 4
Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX

October 23, 2014, 07:04

Replies: 8

vacuum domain

Views: 2,953

Posted By ghorrocks

Yes, you can model this as the real fluid but...

Yes, you can model this as the real fluid but then you will be solving the NS equations in that domain and the flow will probably do all sorts of weird things - but won't affect the heat transfer one...

Forum: CFX

October 22, 2014, 17:49

Replies: 8

vacuum domain

Views: 2,953

Posted By ghorrocks

Take an existing solid material and edit it with...

Take an existing solid material and edit it with the properties of air. There are only going to be a few properties to change, probably only density, thermal conductivity, specific heat. And if you...

Forum: CFX

October 22, 2014, 05:43

Replies: 8

vacuum domain

Views: 2,953

Posted By ghorrocks

If you make the values too small then the...

If you make the values too small then the numerics will go unstable - like you see. You need to make them small enough that it is effectively no heat transfer but large enough the numerics are...

Forum: CFX

October 21, 2014, 18:09

Replies: 8

vacuum domain

Views: 2,953

Posted By ghorrocks

CFX cannot model a pure vacuum. You are going to...

CFX cannot model a pure vacuum. You are going to have to approximate it. So instead define the vacuum domain as a solid domain with a material property with a very low thermal conductivity, and maybe...

Showing results 1 to 4 of 4

Forum Jump

All times are GMT -4. The time now is 02:11.