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1. |
The following equation is known as_________Equation: ( frac {1}{2 pi } int_0^c frac { gamma ( xi)d xi }{(x- xi)} )=V ( - ( frac {dz}{dx} )) |
A. | n(Where c is the chord length for a thin airfoil, is the angle of attack, V<sub> </sub> is the free-stream velocity, ( frac {dz}{dx} ) is the slope at point x and (x) is the vortex strength at x). |
B. | Airfoil equation |
C. | The fundamental equation for airfoils |
D. | The fundamental equation for symmetric airfoils |
E. | The fundamental equation for thin airfoil theory |
Answer» E. The fundamental equation for thin airfoil theory | |