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Forum: Main CFD Forum

September 27, 2020, 13:09

Replies: 7

Is the flow turbulent everywhere in wind tunnel exp?

Views: 921

Posted By t.teschner

well, maybe I am not understanding your problem...

well, maybe I am not understanding your problem then entirely, but in general, yes, if you have a low enough Reynolds number, then it makes sense to state the transition point (because there is a...

Forum: Main CFD Forum

September 27, 2020, 11:02

Replies: 7

Is the flow turbulent everywhere in wind tunnel exp?

Views: 921

Posted By t.teschner

Well, if you are looking at LES, i.e scale...

Well, if you are looking at LES, i.e scale resolved simulations, boundary conditions become hughly important. The freestream turbulence intensity is a very critical parameter to determine the correct...

Forum: Main CFD Forum

September 27, 2020, 10:10

Replies: 7

Is the flow turbulent everywhere in wind tunnel exp?

Views: 921

Posted By t.teschner

Wind tunnels these days are designed with a heavy...

Wind tunnels these days are designed with a heavy emphasis on reducing turbulence as much as possible. If you measure the free stream turbulence intensity, i.e. u'/U_average, you would generally...

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