Home /
Expert Answers /
Mechanical Engineering /
consider-the-supersonic-flow-over-a-5-half-angle-wedge-at-zero-angle-of-attack-the-freestream-mach-pa406
(Solved): Consider the supersonic flow over a 5 half-angle wedge at zero angle of attack.The freestream Mach ...
Consider the supersonic flow over a 5° half-angle wedge at zero angle of attack.
The freestream Mach number ahead of the wedge is 2.0, and the freestream pressure and density are 1.01×105 N/m2 and 1.23 kg/m3 , respectively (this corresponds to standard sea level conditions).
The pressures on the upper and lower surfaces of the wedge are constant with distance s and equal to each other, namely, pu = pl = 1.31×105 N/m2 .
The pressure exerted on the base of the wedge is equal to . The shear stress varies over both the upper and lower surfaces as
= 431s-0.2.
The chord length, c, of the wedge is 2 m. Calculate the drag coefficient for the wedge.
***Provide the answer in kN per unit lenght.
Flow Field Picture (a)