Effect of Back Pressure on Mass Flow Rate
Air at 1 MPa and 600°C enters a converging nozzle, shown in Fig. 17-24, with a velocity of 150 m/s. Determine the mass flow rate through the nozzle for a nozzle throat area of 50 cm2when the back pressure is
a) 0.7 MPa and
(b) 0.4 MPa.