Table 8 Energy and exergy analysis of supercritical carbon dioxide split cycle.
Component | Simple cycle | Recuperator cycle | Split cycle | |||
|---|---|---|---|---|---|---|
Depletion number(DP) | Sustainability index(SI) | Depletion number(DP) | Sustainability Index(SI) | Depletion Number(DP) | Sustainability Index(SI) | |
Turbine | 0.053 | 18.870 | 0.053 | 18.870 | 0.053 | 18.870 |
Pump | 0.179 | 5.590 | 0.179 | 5.590 | 0.179 | 5.590 |
Recuperator | – | – | 0.720 | 1.390 | 0.286 | 3.500 |
Condenser | 0.855 | 1.170 | 0.835 | 1.200 | 0.756 | 1.320 |
HRSG-1 | 0.551 | 1.810 | 0.499 | 2.000 | 0.164 | 6.100 |
HRSG-2 | – | – | – | – | 0.625 | 1.600 |
sCO2 Cycles | 0.520 | 1.920 | 0.479 | 2.090 | 0.362 | 2.760 |
