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Find the lift coefficient c_l and the drag coefficient c_d

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Reference no: EM131406045

A general aviation aircraft has a wing span b = 18 meters and an aspect ratio AR = 8. In a given equilibrium flight condition, at an equivalent airspeed V_eq = 60 m/s, the lift and drag force are L = 24 kN and D = 4 kN, respectively. Find the lift coefficient C_L and the drag coefficient C_D. A gust momentarily increases the angle of attack by 0.5 degree, without changing the equivalent airspeed, resulting in an additional 4 kN of lift. Find the slope of the lift coefficient curve C_L alpha, expressed per degree.

Reference no: EM131406045

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