6 Analyze the wind-powered-vehicle of Fig. P11.105 with the following data: turbine
Chapter 11, Problem p11.106(choose chapter or problem)
6 Analyze the wind-powered-vehicle of Fig. P11.105 with the following data: turbine diameter D 5 6 ft, power coeffi cient (Fig. 11.32) 5 0.3, vehicle CDA 5 4.5 ft2 , and turbine rotation 240 r/min. The vehicle moves directly into a head wind, W 5 25 mi/h. The wind backward thrust on the turbine is approximately T < CT(/2)Vrel2 Aturbine, where Vrel is the air velocity relative to the turbine, and CT < 0.7. Eighty percent of the turbine power is delivered by gears to the wheels, to propel the vehicle. Estimate the sea-level vehicle velocity V, in mi/h
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