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Forum: CFX

April 16, 2011, 07:28

Replies: 9

modeling of an impinging jet problem

Views: 4,432

Posted By ghorrocks

http://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_m...

http://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_my_results_inaccurate.3F

Forum: CFX

April 15, 2011, 06:36

Replies: 9

modeling of an impinging jet problem

Views: 4,432

Posted By ghorrocks

How far off are you? Errors of 50% are not...

How far off are you? Errors of 50% are not uncommon in heat transfer models.

Forum: CFX

August 8, 2010, 18:56

Replies: 9

modeling of an impinging jet problem

Views: 4,432

Posted By ghorrocks

k-e is known to be too diffusive in free jet...

k-e is known to be too diffusive in free jet flows. It does not surprise me that results using that model are too low. Not sure about k-w, certainly some variants of k-w are better but I am not sure...

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