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Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. Using variable specific heats, determine (a) the isentropic efficiency, (b) the exit velocity,
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Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. Using variable specific heats, determine (a) the isentropic efficiency, (b) the exit velocity, and (c) the entropy generation.

User Con
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1 Answer

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Answer: a) Efficiency = 0.92

b) V = 319.19 m/s

c) S = 0.012 kj/kg.k

Explanation: please find the attached files for the solution

Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves-example-1
Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves-example-2
User James Faulcon
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