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  3. 3. a jet aircraft has a drag polar cd = cd,0 + cl

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

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Mechanical Engineering

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 is3,000,000 N, which includes the fuel weight 1,000,000 N. The thrustspecific fuel consumption is 0.9 (N of fuel) / (N of thrust ·hour).Find the maximum endurance of this aircraft.

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