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Final - winter 2012 - Solution

Findthe angle of attack when the plane flies at a

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Unformatted text preview: Pa [HINT: iteration is not needed; you will need to follow a trial‐and‐error approach] For water, =1000 kg/m3 and =0.001 Nsec/m2. Problem 5 (15 points): An airplane with M = 1000 kg has a NACA 23015 wing section with a projected area of 10 m2. Both the coefficient of lift and drag are evaluated using the wing projected area. Find the angle of attack when the plane flies at a cruising speed of 70 m/sec. What is the coefficient of drag? And the lift coefficient? Ho...
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