Combustion gases enter a gas turbine at 750°C and 1.2 MPa at a rate of 3.4 kg/s
Question:
Combustion gases enter a gas turbine at 750°C and
1.2 MPa at a rate of 3.4 kg/s and leave at 630°C and 500 kPa.
It is estimated that heat is lost from the turbine at a rate of 30 kW. Using air properties for the combustion gases and assuming the surroundings to be at 25°C and 100 kPa, determine (a) The actual and reversible power outputs of the turbine, (b) The energy destroyed within the turbine, and (c) The second-law efficiency of the turbine.
Transcribed Image Text:
Exh.gas 750°C 1.2 MPa TURBINE 630°C 500 kPa
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Exhaust gases are expanded in a turbine which is not wellinsulated Tha actual and reversible power o...View the full answer
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