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A supersonic wind tunnel settlling chamber excpands air or Freon-21 through a nozzle from a pressure of 10 bar?
A supersonic wind tunnel settlling chamber excpands air or Freon-21 through a nozzle from a pressure of 10 bar in the test section. Calculate the stagnation temperature to be maintained in the settling chamber to obtain a velocity of 500 m/s in the test section for
(i) Air Cp =1.025 kJ/kg K , Cv =0.735 kJ/kg K
(ii) Freon-21 Cp =0.785 kJ/kg K , Cv= 0.675 kJ/kg K
What is the test section Mach number in each case.
