Wind with a Velocity of 12 M/s Is Incident on a Three-Blade

question 18

Essay

Wind with a velocity of 12 m/s is incident on a three-blade wind turbine with a rotor diameter of $90 \mathrm {~m}$ .
(a) What is the power of the wind that intercepts the turbine?
(b) What is the maximum power that can be extracted from the wind?
(c) What is the angular velocity $\left( \omega \right.$ in $\left. \mathrm { s } ^ { - 1 } \right)$ for the rotor when the maximum power is produced?

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