7. The characteristic power coefficient (efficiency) curve for a 40 m diameter wind turbine is shown below. (a) If the b

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7 The Characteristic Power Coefficient Efficiency Curve For A 40 M Diameter Wind Turbine Is Shown Below A If The B 1 (27.5 KiB) Viewed 32 times

7. The characteristic power coefficient (efficiency) curve for a 40 m diameter wind turbine is shown below. (a) If the blades are turning at 24 rpm and the wind speed is 10.0 m/s estimate the value of the power coefficient. (b) Calculate the electrical energy Power coefficient produced during one hour of operation, assuming that the wind speed over that period is constant and the mechanical to electrical energy conversion efficiency is 0.87. Take the air density to be 1.225 kg/m³. 0.4 0.2 Maximum 10 15 Tip speed ratio