Numerical Analysis of Wind Turbine Airfoil Aerodynamic Performance with Leading Edge Bump

Figure 7

Pressure contour at the left side and path line at the right side for modified airfoil at (a) AOA = 5 deg., (b) AOA = 15 deg., and (c) AOA = 20 deg.

(a) AOA = 5 deg.

(b) AOA = 15 deg.

(c) AOA = 20 deg.