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-   -   wall heat transfer coefficient (http://www.cfd-online.com/Forums/cfx/74017-wall-heat-transfer-coefficient.html)

elsa March 22, 2010 19:19

wall heat transfer coefficient
 
I have made a wind tunnel; wall is 60 celsius and the air is 25 degree. But the wall heat transfer coefficient is a fluctuating diagram. I've checked everything.
does anybody know why is happens?

ghorrocks March 23, 2010 06:28

Have you tried these tips?

http://www.cfd-online.com/Wiki/Ansys...gence_criteria

What do you mean by "But the wall heat transfer coefficient is a fluctuating diagram"? Are you running steady state or transient? How are you monitoring wall heat transfer coefficient?


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