Page 149 - Wind Energy Handbook
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THE AERODYNAMICS OF A WIND TURBINE IN STEADY YAW 123
1.0
0.0
M yaw (Nm)
-1.0
-2.0
0 90 180 270 360
yaw = 10˚ Azimuth angle
yaw = 20˚
yaw = 30˚
Figure 3.67 Measured Yaw Moments on the Delft Turbine, (Snel and Schepers, 1995)
1.0
0.5
0.0
Yawing moment in N m -0.5
-1.0
-1.5
-2.0
0 90 180 270 360
10˚ Azimuth angle
20˚
30˚
Figure 3.68 Calculated Yaw Moments on the Delft Turbine
