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The pressure ratio of a Brayton cycle with air operated regenerator is 8. The lowest and...

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Mechanical Engineering

The pressure ratio of a Brayton cycle with air operatedregenerator is 8. The lowest and highest temperatures of the cycleare 310 K and 1150 K. The adiabatic efficiency of the compressorand turbine is 75% and 82%, respectively, and the efficiency of theregenerator is 65%. Show the cycle in the T-s diagram. Consider thevariation of specific temperatures with temperature.

a) Calculate the temperature of the air at the turbineoutlet,

b) Net work of the cycle,

c) Calculate the thermal efficiency of the cycle.

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