For NACA 23021 , By using Thin Airfoil Theory, mean camber line is y = -0.0231x2 + 0.0063x + 0.0153. Calculate:
a) Zero lift angle of attack ?L=?
b) Lift coefficient ?? for ?=−?o,?o, and ?o
c) Moment coefficient at quarter chord ??,?/? for ?=−?o,?o, and ?o
d) Normalized Center of Pressure ???/? for ?=−?o,?o, and ?o
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