CO, enters a nozzle at a mass flowrate of 5000 kg/hr at a pressure of 200.0 kPa, a temperature of 700.0°C, through an inlet pipe of diameter 25.00 cm. At the exit of the nozzle the pressure is 150.0 kPa and the isentropic efficiency of the nozzle is 75.00%. Determine the exit velocity, the nozzle exit diameter and entropy generation assuming: i. Constant specific heat evaluated at the inlet.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Example: Isentropic efficiencies
CO, enters a nozzle at a mass flowrate of 5000 kg/hr at a
pressure of 200.0 kPa, a temperature of 700.0°C, through an
inlet pipe of diameter 25.00 cm. At the exit of the nozzle the
pressure is 150.0 kPa and the isentropic efficiency of the
nozzle is 75.00%. Determine the exit velocity, the nozzle exit
diameter and entropy generation assuming:
i. Constant specific heat evaluated at the inlet.
ii. Variable specific heats.
Transcribed Image Text:Example: Isentropic efficiencies CO, enters a nozzle at a mass flowrate of 5000 kg/hr at a pressure of 200.0 kPa, a temperature of 700.0°C, through an inlet pipe of diameter 25.00 cm. At the exit of the nozzle the pressure is 150.0 kPa and the isentropic efficiency of the nozzle is 75.00%. Determine the exit velocity, the nozzle exit diameter and entropy generation assuming: i. Constant specific heat evaluated at the inlet. ii. Variable specific heats.
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