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modelling boundary layer trips

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Old   July 19, 2010, 15:31
Default modelling boundary layer trips
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I'd like to include the effects of boundary layer trips into my CFD model but am unsure of the best way.

The experiment I'm trying to simulate (for code validation) is a 2-element airfoil and had trips on the pressure and suction surfaces close to the LE of the main airfoil, and a third trip on the suction surface of the flap. All trips were 5x1.8mm and had a saw-tooth leading edge.

The CFD model employs the low-RE k-epsilon model of Launder-Sharma. The code is in-house so I'm free to alter things.

Thanks very much in advance
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