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Turbulance Model for Prediction of Stall Characteristics

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Old   August 11, 2022, 04:46
Question Turbulance Model for Prediction of Stall Characteristics
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KDG
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Hello.,

I'm trying to simulate the model between the range of RE = 3.5E-05 to 4.5E-05.
I tried k-omega SST model with y+ of 30 for the velocity range of 25-35 m/s and Ange attack of -10 to 20 with the step of 5. But some reference discussions preferred k-epsilon with Grid independent studies.
As per my knowledge, K-omega also uses the base scheme as k-epsilon in addition to wall functions. Is it preferable to use k-omega(which basically captures adverse pressure gradient)at higher angle of attack to validate CL, CD and CM ?

Thank you..

Last edited by KDG; August 12, 2022 at 01:55.
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cfd aerospace, low re, stall angle, turbule model


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