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2D flow over airfoil S814

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Old   January 13, 2014, 10:01
Default 2D flow over airfoil S814
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Nkl
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Nikola
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Hi everyone!

I am performing a 2D simulation over S814 airfoil with both SST and K-epsilon model. I get good results for what regards lift coefficient, momentum coefficient, pressure coefficient and yplus values, but my drag coefficient is not so close to the experimental value. Does someone know why?

simulation experimental
lift coefficient 0.39 0.38
drag coefficient 0.016 0.007
momentum coefficient -0.15 -0.14

yplus is below 150 with both models
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