Argon expands isentropically at 1 kg/s in a converging nozzle with D1 = 10 cm, p1 = 150 kPa, and T1 = 100°C. The flow discharges to a pressure of 101 kPa.
(a) What is the nozzle exit diameter?
(b) How much further can the ambient pressure be reduced before it affects the inlet mass flow?