Table 5 Thermodynamic properties for recuperator cycle with ORC (R-123).
Node | Temperature | Pressure | Fluid | Mass Flow | Enthalpy | Entropy | Cycle Efficiency |
|---|---|---|---|---|---|---|---|
(°C) | (bar) | (kg/Sec) | (kJ/kg) | (kJ/kg k) | |||
1 | 459 | 230 | CO2 | 85.36 | 413.1 | -0.1735 | CO2 CYCLE: 35.21% ORC CYCLE: 11.34% TOTAL CYCLE: 25.51% |
2 | 326.8 | 68.92 | CO2 | 85.36 | 278.7 | -0.1483 | |
3 | 100.4 | 68.92 | CO2 | 85.36 | 21.89 | -0.6872 | |
4 | 28 | 68.92 | CO2 | 85.36 | -217.2 | -1.443 | |
5 | 59.61 | 230 | CO2 | 85.36 | -189.5 | -1.427 | |
8 | 190 | 230 | CO2 | 85.36 | 67.23 | -0.7658 | |
11 | 23 | atm. | Air | 1014 | 296.4 | 6.856 | |
12 | 43 | atm. | Air | 1014 | 316.5 | 6.921 | |
13 | 489 | atm. | Smoke | 89 | 780.9 | 7.832 | |
14 | 200 | atm. | Smoke | 89 | 475.7 | 7.330 | |
15 | 90 | atm. | Smoke | 89 | 363.9 | 7.061 | |
16 | 170 | 5 | ORC | 40.28 | 508.6 | 1.877 | |
17 | 128.1 | 1.02 | ORC | 40.28 | 476.6 | 1.886 | |
18 | 28 | 1.02 | ORC | 40.28 | 229.3 | 1.102 | |
19 | 80 | 5 | ORC | 40.28 | 229.6 | 1.102 | |
20 | 23 | atm. | Air | 494.9 | 296.4 | 6.856 |