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-   -   Non-uniform heat transfer coefficient in Flotherm (http://www.cfd-online.com/Forums/floefd-floworks-flotherm/65791-non-uniform-heat-transfer-coefficient-flotherm.html)

bighead June 25, 2009 21:01

Non-uniform heat transfer coefficient in Flotherm
 
Hi all, just wanna know if its possible to have a non-uniform heat transfer coefficient in Flotherm ?

RobinB June 26, 2009 07:39

Non-uniform is space? Not directly no. A series of HTC can be defined via a number of cutout objects that externally abut the solution domain. These can be defined manually or be created automatically from another model when you use the 'Zoom-in' functionality.

bighead June 26, 2009 15:39

Quote:

Originally Posted by RobinB (Post 220600)
Non-uniform is space? Not directly no. A series of HTC can be defined via a number of cutout objects that externally abut the solution domain. These can be defined manually or be created automatically from another model when you use the 'Zoom-in' functionality.

I tried the first option and it work generally fine, except for the postprocessing whereby the cutouts had temperatures of the ambient/global. When I posted the question, I was thinking more of writing a general function of HTC=f(x,y) at the low z. But since the first option solved the problem, I shall lived with it. Thxs for your help Robin.


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