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Forum: CFX

June 18, 2010, 07:26

Replies: 6

Pressure coeff for aerofoils problem

Views: 1,617

Posted By Luk_Fiz

Talking about some potential error in simulation...

Talking about some potential error in simulation itself, I mean that no matter what velocity I set sensless Cp occures (By the way what do You mean by "wrong" AOA or velocity? These are boundary...

Forum: CFX

June 18, 2010, 03:00

Replies: 6

Pressure coeff for aerofoils problem

Views: 1,617

Posted By Luk_Fiz

Well, In fact I think, that this is something...

Well,
In fact I think, that this is something "inside" calculation itself (no matter what AOA or velocity), because the inconsistency with other sources (like XFoil) comes from sensless effect that...

Forum: CFX

June 17, 2010, 09:35

Replies: 6

Pressure coeff for aerofoils problem

Views: 1,617

Posted By Luk_Fiz

I decided to neglect this term because: - XFoil...

I decided to neglect this term because:
- XFoil and others unlikely adds turbulence effects to pressure
- CFX manual states that in case of k-turbulence models this "turbulence pressure" adds to...

Forum: CFX

June 17, 2010, 06:07

Replies: 6

Pressure coeff for aerofoils problem

Views: 1,617

Posted By Luk_Fiz

Pressure coeff for aerofoils problem

Hi all.
I am simulating simple 2D aerofoils (f.e. Joukovsky) with CFX 11 and compare results with JavaFoil, XFoil and others. AOA are very moderate (up to 8deg), Re~250000.
The problem is that...

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