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 ehrenwirth May 27, 2009 06:37

Thermal conductivity in CFX

Hi there!

I have a question concerning thermal conductivity in CFX.

In Ansys Workbench i can define this material-dependent variable but in CFX i didnīt find where to set this value. Can you please explain me where to find this option? And, if there is no option to set, could you explain me why this parameter is not important for CFX?

 ghorrocks May 27, 2009 08:15

Hi,

You can set different thermal conductivities for various materials in CFX. In CFX-Pre it is under materials and a few tabs under that (don't have CFX in front of me so can't tell you exactly what - I know you have to expand a few things to see it).

Glenn Horrocks

 ehrenwirth June 2, 2009 01:19

Hi!

Thanks a lot, found it!

 rogbrito July 14, 2009 22:22

Use this equation (an example, of course) below with A and B for you own material, named A and B constant variables in CFX-Pre:

Thermalconductivity
(B*(19453.29701*(T/A)^3.07678)/(4.73947^3.07678+(T/A)^3.07678))

A 1.0 [K]
B 1.0 [W m^-1 K^-1]

Quote:
 Originally Posted by ehrenwirth (Post 217300) Hi there! I have a question concerning thermal conductivity in CFX. In Ansys Workbench i can define this material-dependent variable but in CFX i didnīt find where to set this value. Can you please explain me where to find this option? And, if there is no option to set, could you explain me why this parameter is not important for CFX? Thanks in advance!

 Rui July 15, 2009 04:00

. :eek:

 ckleanth July 15, 2009 04:51

muuust restrain ... must ....

cant do it...

:eek:

;)

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