Question

Argon enters an insulated nozzle at 280 kPa, 1300 K, 10 m/s and exits at 645 m/s. Assume argon is an ideal gas and has a constant specific heat.

Determine a) The exit temperature of the argon under the actual process (K).

b) The ideal exit temperature of the argon (K) under the isentropic process if the isentropic efficiency of the nozzle is 90 percent.

c) The exit pressure of the argon (kPa).

d) The amount of specific entropy generation in the actual nozzle in kJ/K per kg of argon flowing.

e) Plot process paths of the actual nozzle and the ideal nozzle on an h-s diagram.

Answer 1

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