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CHE330 Study Guide - Quiz Guide: Isentropic Process, Ideal Gas

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School
University of Waterloo
Department
Chemical Engineering
Course
CHE330
Professor
Yi Feng

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Document Summary

6: nitrogen expands through a nozzle from a negligible initial velocity to a final velocity of 325 m/s. Pay attention to the units of the quantities used in the calculation: steam enters a nozzle at 800 kpa and 280 c at negligible velocity and discharges at a pressure of 525 kpa. Steam enters the turbine at 2,400 kpa and 500 c and exhausts the turbine as saturated vapor at 20 kpa. The steam tables can be used: combustion products from a burner enter a gas turbine at 7. 5 bar and 900 c and discharge at. The turbine operates adiabatically with an efficiency of 80%. With steam supplied to the turbine at 1350 kpa and 375 c the exhaust from the turbine at 10 kpa was saturated vapor only. What is the efficiency of the turbine: (optional) a pump operates adiabatically with liquid water entering at 25 c and 100 kpa.

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Related Questions

Problem 2: Steam is fed to a turbine at a rate of 4 kg/s. The steam enters at 4100 kPa and 575 ᵒC and exhausts at 375 kPa. The efficiency of the turbine is 85%. a) What is the work produced from this turbine, expressed in kW? b) What phase(s) are exiting the turbine. Justify your answer.

*I'm aware this is a Chemical Engineering question, but that isn't a subject choice, please help!*

Steam at P1 = 10.0 bar absolute and at 70.0°C of superheat enters a turbine at a rate of m = 50.0 kg/s. The steam leaving the turbine is saturated and at 1 bar. The turbine operates adiabatically and the kinetic and potential energy changes are negligible. What is the work output of the turbine?

Hot combustion gases enter a nozzle in a jet engine at 290 kPa, 850°C and a negligible inlet velocity. If the nozzle has an isentropic efficiency of 85 percent and the exhaust gases exit the nozzle at a pressure of 110 kPa, what is the exit velocity? Assume the combustion gases have the same properties as air and assume constant specific heats at room temperature.