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P3. The undisturbed wind speed at a location is Vi = 30 mi/hr, the speed at turbine rotor is 60% of this value and the speed at exit is 60% of Vi . The rotor diameter is 10 m. The air temperature is 25 °C. Calculate (a) the power available in undisturbed wind at the turbine rotor in kW, (b) the power in the wind at outlet in kW, (c) the power developed by the turbine in kW, (d) the coefficient of performance.

P3. The undisturbed wind speed at a location is Vi = 30 mi/hr, the speed at turbine rotor is 60% of this value and the speed at exit is 60% of Vi . The rotor diameter is 10 m. The air temperature is 25 °C. Calculate (a) the power available in undisturbed wind at the turbine rotor in kW, (b) the power in the wind at outlet in kW, (c) the power developed by the turbine in kW, (d) the coefficient of performance.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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P3. The undisturbed wind speed at a location is Vi = 30 mi/hr, the speed

at turbine rotor is 60% of this value and the speed at exit is 60% of Vi . The

rotor diameter is 10 m. The air temperature is 25 °C. Calculate (a) the

power available in undisturbed wind at the turbine rotor in kW, (b) the

power in the wind at outlet in kW, (c) the power developed by the turbine

in kW, (d) the coefficient of performance.

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