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Old 6th May 2013 | 16:36
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C_K
 
Joined: May 2013
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From: london
Boeing 737 Aerodynamic Coefficient

Hi

I am studying the aerodynamic coefficients of a boeing 737-800 NG.

In particular wingtip devices and have constructed a model in solidworks to test on Ansys cfd.

I am creating a hypothetical situation of testing the improvement in take off performance by using winglets. To do this, i am simulating the 737 with and without winglets.

I have the Ansys sim set at take off velocity and 8 degrees AoA.

I am getting a Cl value of 2.5 and Cd of 0.3 i was wondering how far off that is to realistic values of cl and cd at take off?

Thank you, i would really appreciate any insight.
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