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Regenerative Gas Turbine Cycle - GATE '97 ME

In an air-standard regenerative gas turbine cycle, the pressure ratio is 5. Air enters the compressor at 1 bar, 300 K, and leaves at 490 K. The maximum temperature in the cycle is 1000 K. Calculate the cycle efficiency, given that the efficiency of the regenerator and adiabatic efficiency of the turbine are each 80%. Assume for air, the ratio of specific heats is 1.4. Also, show the cycle T-s diagram


Answer:

In an air-standard regenerative gas turbine cycle, the pressure ratio is 5. Air enters the compressor at 1 bar, 300 K, and leaves at 490 K. The maximum temperature in the cycle is 1000 K. Calculate the cycle efficiency, given that the efficiency of the regenerator and adiabatic efficiency of the turbine are each 80%. Assume for air, the ratio of specific heats is 1.4. Also, show the cycle T-s diagram

ree
effectiveness of regenerator

isentropic efficiency of gas turbine

thermal efficiency of gas turbine formula

#braytoncycle #gasturbine #gateTD #thermodynamics

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Guest
Jun 27

Answer is wrong because of T5 value is wrong so efficiency approx 25 to 30 percent

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