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Agni November 24, 2008 04:43

Modeling of airfoil rotary motion
I was using fluent to model flow past a rotating airfoil of NACA 0012 profile. Going to the boundary condition of the wall geometry for the airfoil, I changed stationary wall to a moving wall. And then, I gave a value of rotation in radian per sec.

But the problem is that the results of pitching moment coefficient and lift coefficient are coming out to be negative and that too, quite high.

I was using k-epsilon Realizable model with enhanced wall treatment condition.

Can you please suggest!

Thanks in advance..

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