Table 6 Energy and Exergy analysis of supercritical carbon dioxide recuperator cycle.
Component | Fluid | Heat Transfer/Power(kw) | Thermodynamics first law efficiency | Exergy transfer(kw) | Exergy destruction | Thermodynamics second law efficiency | ||
|---|---|---|---|---|---|---|---|---|
Hot | Cold | (kw) | % | |||||
Turbine | CO2 | 9878 | 90% | 10425 | 547.6 | 3.21 | 94.75 | |
Pump | CO2 | 2028 | 80% | 1666 | 362.1 | 2.12 | 82.14 | |
Recuperator | CO2 | CO2 | 3501 | Cycle: 19.26% | Hot Side: 1710 Cold Side: 479. | 1231 | 7.20 | 28.02 |
Condenser | CO2 | Air | 32917 | 6555 | 6555 | 38.38 | 16.48 | |
HRSG | Air (Smoke) | CO2 | 40767 | 16545 | 8386 | 49.09 | 50.09 | |
Sum | – | – | – | – | → | 17081 | 100 | 52.14% |
