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turbulence intensity and length scale

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Old   January 7, 2012, 09:57
Default turbulence intensity and length scale
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Hi all...

I want to simulate an airfoil with Mach 0.3 and wind speed 20-30 m/s.

I want to know which turbulence intensity and length scale should i use?

any direct answer or text-reference ,both, are warmly welcomed.
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length scale, turbulence intensity

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