C2 (i)Wind-turbine units are rated at 2 KW in a rated wind speed of 6 m/s. The stage efficiencies are Cp = 0.32, ngb = 0.90, ng = 0.92. What is the necessary swept area? If the rotor is a two-blade...

Solve it quickly please


Extracted text: C2 (i)Wind-turbine units are rated at 2 KW in a rated wind speed of 6 m/s. The stage efficiencies are Cp = 0.32, ngb = 0.90, ng = 0.92. What is the necessary swept area? If the rotor is a two-blade propeller (horizontal axis), what is the diameter? (p = 1.29 kg/m2.)