Assignment:
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 60 meters and a wind-conversion efficiency of 25 percent. The turbine operates in an area with an average wind-power density of 700 watts/sq meter at 50 meters altitude. How much electricity (kwH) can the turbine generate per year?
Wind densities greater than or equal to 700 watts/sq meter at an altitude of 50 meters are present on 0.900 percent of the land area of the US. If, on average, wind farms contain 8 turbines/sq km, how much electricity (kwH/yr) could be generated from these wind turbines? (The area of the US is 7,827, 989 sq km).
Provide complete and step by step solution for the question and show calculations and use formulas.