Consider a flat plate mounted in the test section of a supersonic wind tunnel – assume the nozzle is perfectly expanded. The plate is at an angle of attack of -10° and the static pressure on the bottom surface of the plate is 1.0 atm. The nozzle throat and exit area is 0.067 m2 and 1.68 m2, respectively. Calculate:
a. the reservoir pressure of the tunnel
b. the pressure difference between the top and bottom surface