A modern medium size commercial jet plane has a wing span of L = 30 m and
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A modern medium size commercial jet plane has a wing span of L = 30 m and a mean chord length of K = 4 m. Its lift coefficient is cl = 0.83 at its cruising angle of attack α ∼ 2◦. What is the lift force generated by the airplane wings when cruising at v ≅ 800 km/h? While cruising, the engines exert a thrust of ∼80 kN. Estimate the wings’ drag coefficient cd and the lift to drag ratio.
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From eq 2932 and taking the density of air to be 117 kgm 3 So th...View the full answer
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