Table 13 Exergy analysis of simultaneous recuperator cycle with ORC.
Component | (R-123) | (R-245FA) | (R-600) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Exergy | Exergy destruction | Exergy Efficiency | Exergy | Exergy destruction | Exergy Efficiency | Exergy | Exergy destruction | Exergy Efficiency | ||||
(kw) | (kw) | % | (kw) | (kw) | % | (kw) | (kw) | % | ||||
sCO2 Turbine | 12,388 | 650.7 | 4.03 | 94.75 | 12,388 | 650.7 | 3.90 | 94.75 | 12,388 | 650.7 | 3.82 | 94.75 |
sCO2 Pump | 1979 | 430.3 | 2.67 | 82.14 | 1979 | 430.3 | 2.58 | 82.14 | 1979 | 430.3 | 2.53 | 82.14 |
sCO2 Recuperator (H/C) | 9126/6752 | 2366 | 14.65 | 74.07 | 9126/6759 | 2366 | 14.20 | 74.07 | 9126/6759 | 2366 | 13.89 | 74.07 |
sCO2 Condenser | 695.2 | 695.2 | 4.31 | 80.88 | 695.2 | 695.2 | 4.17 | 80.88 | 695.2 | 695.2 | 4.08 | 80.88 |
sCO2 HRSG | 13,470 | 2713 | 16.08 | 78.89 | 13,470 | 2713 | 16.27 | 78.89 | 13,470 | 2713 | 15.93 | 78.89 |
ORC Turbine | 1736 | 122.4 | 0.76 | 92.95 | 1170 | 80.5 | 0.48 | 93.12 | 776.3 | 52.23 | 0.31 | 93.27 |
ORC Pump | 12.85 | 3.13 | 0.02 | 80.42 | 9.91 | 2.42 | 0.01 | 80.35 | 8.15 | 1.99 | 0.01 | 80.35 |
ORC Condenser | 1054 | 1054 | 6.53 | 39.55 | 1306 | 1306 | 7.84 | 33.23 | 1520 | 1520 | 8.92 | 29.34 |
ORC HRSG | 277 | 8113 | 50.24 | 70.34 | 2466 | 8424 | 50.54 | 62.45 | 2288 | 8602 | 50.51 | 57.95 |
CYCLE | - | 16,148 | 100 | 72.21% | - | 16,668 | 100 | 68.86% | - | 17,032 | 100 | 66.53% |
