Question: A very large Darrieus VAWT was constructed by the U.S. Department of Energy near Sandia, New Mexico. It is 60 ft high and 30 ft

A very large Darrieus VAWT was constructed by the U.S. Department of Energy near Sandia, New Mexico. It is 60 ft high and 30 ft in diameter, with a swept area of 1200 ft2. If the turbine is constrained to rotate at 90 r/min, use Fig. 11.34 to plot the predicted power output in kW versus wind speed in the range V = 5 to 40 mi/h.

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