Airfoil - Turbulence Model -- CFD Online Discussion Forums

November 21, 2018, 04:58	Airfoil - Turbulence Model	#1
sasanghomi Senior Member Sasan Ghomi Join Date: Sep 2012 Location: Denmark Posts: 292 Rep Power: 14	Dear friends, I am simulating fluid flow around the airfoil NACA 2414 at RE=10e6 and alfa =5 Degrees. The turbulence model is KW SST. Unfortunately, the results are not that promising. Drag coefficient is 2 times as much reported in XFOIL software program. Yplus is around 4-5 and the domain in large enough (40chord) Which surface area is used for drag coefficient definition? (chord*domain thickness) ?? Any idea?

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