Under low-speed incompressible flow conditions, the pressure coefficient at a given point on an airfoil is -0.54.
Question:
Under low-speed incompressible flow conditions, the pressure coefficient at a given point on an airfoil is -0.54. Calculate Cp at this point when the free stream Mach number is 0.58, using
(a) The Prandtl-Glauert rule
(b) The Karman-Tsien rule
(c) Laitone's rule
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