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In: Mechanical Engineering

3. A jet aircraft has a drag polar CD = CD,0 + CL 2 /(?e?) =...

3. A jet aircraft has a drag polar CD = CD,0 + CL 2 /(?e?) = 0.02 + 0.04 CL 2 and wing area 500 m2 . Its initial weight is 3,000,000 N, which includes the fuel weight 1,000,000 N. The thrust specific fuel consumption is 0.9 (N of fuel) / (N of thrust ·hour). Find the maximum endurance of this aircraft.

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