Air enters a nozzle with a diameter of 4 cm at 10 m/s, P1 = 400 kPa, and T1 = 60ºC. It exits at a diameter of 2 cm at atmospheric pressure. The maximum possible exiting velocity is nearest:
A) 470 m/s
B) 410 m/s
C) 320 m/s
D) 260 m/s
A) 470 m/s
The air flow is approximated as an adiabatic quasi-equilibrium flow which provides the maximum
possible exiting velocity (no heat loss, no friction, and no shock waves). The exiting temperature
would be
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