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S-A Turbulence Model and drag prediction

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Old   November 15, 2005, 18:48
Default S-A Turbulence Model and drag prediction
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Dear All,

Just needed everyone's opinion on the use of the S-A turbulence model for drag prediction of airfoils.

I have used the S-A model for predicting Lift Coef.. at different angles of attack and the results are very close to the wind tunnel results, however I havent had luck with the Drag Coef.. values?

Which turbulence model would predict Drag as nicely as the S-A does lift?

Many thanks in advance.

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