Aerospace Engineering > GATE 2022 > Aircraft Performance
Consider a conventional subsonic fixed-wing airplane. e is the Oswald efficiency factor and AR is the aspect ratio. Corresponding to the minimum of (CD/CL3/2), which of the following relations is true?
A
CD/CL2 = 1/(πeAR)
B
CD/CL2 = 4/(3πeAR)
C
CD/CL = 1/(πeAR)
D
CD/√CL = 1/√(πeAR)

Correct : a

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