Table 6 Comparative environmental analysis of each cascade cycle.
Working conditions | Cascade cycle configurations | Exergy destruction rate (KJ) | Work input (KJ) | COP | Exergetic efficiency | Total TEWI (tnKgCO2) | EII | m_CO2 (Kg) | Operational cost US dollars |
|---|---|---|---|---|---|---|---|---|---|
TC = 323 K, TE = 193 K | CRDAC | 149.9 | 263.8 | 1.26 | 0.43 | 3944 | 36.77 | 466 | 52,765 |
CRSAC | 454.7 | 378.5 | 0.87 | 0.20 | 5650 | 39.71 | 668 | 75,694 | |
CRMP | 253.7 | 684.9 | 0.41 | 0.62 | 10,208 | 51.92 | 1210 | 136,974 | |
CCRS | 253.7 | 421.3 | 0.64 | 0.39 | 6287 | 39.89 | 744 | 84,286 | |
TC = 318 K, TE = 193 K | CRDAC | 148.4 | 264.3 | 1.25 | 0.44 | 3952 | 36.19 | 467 | 52,864 |
CRSAC | 422.2 | 368.4 | 0.89 | 0.15 | 5501 | 54.45 | 652 | 73,690 | |
CRMP | 235.8 | 635.2 | 0.44 | 0.63 | 9469 | 48.68 | 1122 | 127,049 | |
CCRS | 236.1 | 396.8 | 0.68 | 0.40 | 5922 | 39.2 | 701 | 79,353 | |
TC = 313 K, TE = 193 K | CRDAC | 147.1 | 264.9 | 1.24 | 0.45 | 3960 | 35.68 | 468 | 52,984 |
CRSAC | 390.9 | 358.1 | 0.92 | 0.10 | 5346 | 86.67 | 633 | 71,617 | |
CRMP | 219.9 | 589.5 | 0.47 | 0.635 | 8788 | 45.32 | 1041 | 117,895 | |
CCRS | 220.4 | 374.1 | 0.72 | 0.41 | 5585 | 38.6 | 661 | 74,823 |
