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-   -   Should I use the transitional turbulence? (http://www.cfd-online.com/Forums/cfx/109298-should-i-use-transitional-turbulence.html)

hopehope November 14, 2012 11:11

Should I use the transitional turbulence?
 
Hi. My job is to use CFX and model a 0.9*0.1*14m wind tunnel, inlet V=9.7m/s, outlet pressure=0. TO see the outlet profile. When I use SST, should I use the transitional turbulence? And which one should I use.
Also could anyone help me about that, or give me some basic information about transitional turbulence? I didn't find enough information in the help files.
Thank you!

ghorrocks November 14, 2012 17:47

Only use the transitional turbulence model if you think you have a turbulence transition and it plays a significant part in your flow. If not forget about it.

There are some papers on the turbulence transition model in the CFX customer portal and/or available from CFX support.


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