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Old   March 14, 2016, 10:39
Default 3D Wing Analysis
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Hello Everyone!

I am analyzing a 3D wing for my project.
The Coefficient of Lift Values are not matching with the wind tunnel values.
Can somebody please help me out on this?!

Cl of wind tunnel = 0.88
Cl of Star CCM + = 0.45
I am using a velocity inlet and a pressure outlet. Inlet velocity is 11.7 m/s.

The airfoil is FX 63137.
Chord = 220mm
Span = 1200mm

The Physics Conditions are:
Steady, Gas, Constant Density, Segregated Flow, K-Epsilon Turbulence.
I have used a prism layer Mesher.

Thank you
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Old   March 15, 2016, 15:09
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probably a mesh issue. hard to say without more info.
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coefficient of lift, wing

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