A regenerative-reheat gas turbine with intercooling between turbine stages is shown in figure. Air enters at 100 kPa, 300 K with a mass flow rate of 5.807 2. The pressure ratio across the two-stage compressor is 10. The pressure ratio across the two-stage turbine is 10. The intercooler and reheater each operate at 300 kPa. At the inlets to the Turbine stages, the temperature is 1400 K. The temperature inlet to the second compressor stage is 300 K. The polytropic efficiency of each compressor and turbine stage is 80 %. The regenerator effectiveness is 80 %. č, = 1.005 1.4 Determine a. The Compressor work, in b. The Turbine work, in - c. The Net cycle work, in kg air ka air d. The thermal efficiency, in percent e. The work ratio f. The The net power developed, in kW

A regenerative-reheat gas turbine with intercooling between turbine stages is shown in figure. Air enters at 100 kPa, 300 K with a mass flow rate of 5.807 2. The pressure ratio across the two-stage compressor is 10. The pressure ratio across the two-stage turbine is 10. The intercooler and reheater each operate at 300 kPa. At the inlets to the Turbine stages, the temperature is 1400 K. The temperature inlet to the second compressor stage is 300 K. The polytropic efficiency of each compressor and turbine stage is 80 %. The regenerator effectiveness is 80 %. č, = 1.005 1.4 Determine a. The Compressor work, in b. The Turbine work, in - c. The Net cycle work, in kg air ka air d. The thermal efficiency, in percent e. The work ratio f. The The net power developed, in kW

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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650 kg/min of superheated steam at 13 Mpa, 582 deg. C enters the turbine and initially expands isentropically to the pressure of 9.2 Mpa. After partial expansion, the steam was reheated with the same pressure at 9.2 Mpa and leaves the first reheater at 520 deg. C. It is once again expanded for the second partial expansion to a pressure of 5.4 Mpa where extraction of steam occurs. The remaining steam was reheated to a pressure of 4.9 Mpa and regained a temperature of 470 deg. C after the addition of heat in the second reheater. The final and complete isentropic expansion was executed until it reached an exhaust pressure of 0.04 Mpa. Draw the corresponding schematic diagram and its T-S diagram. Solve the following -total heat in MW -quality of steam before the condenser. -enthalpy entering the second reheater in KJ/Kg. -rejected heat by the condenser in MW. -net cycle work for the system in kJ/kg. -total reheating for the system in KW -net efficiency for the cycle. -turbine-generated…
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