1. In a Rankine cycle, steam enters the turbine at 2.5 MPa and condenser at 50 kPa, what is the thermal efficiency of the cycle? At 2.5 MPa: hg = 2803.1 kJ/kg Sf = 1.0910 hf = 340.49 Sg = 6.2575 kJ/ kg – K Stg = 6.5029 hfg = 2305.4 At 50 kPa: Vf = 0.0010300

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1. In a Rankine cycle, steam enters the turbine at 2.5 MPa and condenser at 50 kPa, what is the
thermal efficiency of the cycle?
Sg = 6.2575 kJ/ kg – K
At 2.5 MPa: hg = 2803.1 kJ/kg
Sf = 1.0910
hf = 340.49
Vf = 0.0010300
Sfg = 6.5029
hfg = 2305.4
At 50 kPa:
Transcribed Image Text:1. In a Rankine cycle, steam enters the turbine at 2.5 MPa and condenser at 50 kPa, what is the thermal efficiency of the cycle? Sg = 6.2575 kJ/ kg – K At 2.5 MPa: hg = 2803.1 kJ/kg Sf = 1.0910 hf = 340.49 Vf = 0.0010300 Sfg = 6.5029 hfg = 2305.4 At 50 kPa:
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