A converging-diverging nozzle has an area ratio of 3:1 and a throat area of 50 cm2. The

Question:

A converging-diverging nozzle has an area ratio of 3:1 and a throat area of 50 cm2. The nozzle is supplied from a tank containing helium at 100 kPa and 270 K. Find
(a) The range of back pressures over which the mass flow can be attained.
(b) The maximum mass flow rate possible through the nozzle and