Estimate the power in [MW] of a wind turbine driven by a rotor of 45 m in diameter, if the incoming wind velocity is uin=12 m/s. Assume the Betz limit with uout=uin/3 (a=1/3) and the air density of 1.225 kg/m3.
Estimate the power in [MW] of a wind turbine driven by a rotor of 45 m...