Table 5 Energy and Exergy analysis of supercritical carbon dioxide simple cycle.

From: 4E analysis of supercritical carbon dioxide (sCO2) cycles: evaluating energy, exergy, environmental sustainability, and economic impacts in combined systems

Component

Fluid

Heat transfer/Power(kw)

Thermodynamics first law efficiency

Exergy transfer(kw)

Exergy destruction

Thermodynamics second law efficiency

Hot

Cold

(kw)

%

Turbine

CO2

9096

90%

9601

504.3

2.85

94.75

Pump

CO2

1868

80%

1534

333.5

1.88

82.14

Condenser

CO2

Air

33538

Cycle: 17.73%

7611

7611

43

14.46

HRSG

Air (Smoke)

CO2

40767

15768

9253

52.27

44.92

Sum

–

–

–

–

 

17701.8

100

48.01%

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