Open Access
Table 4
NREI component conditions (MW).
| Flow # | Flow | Power (MW) | Exergy (MW) | Unit exergetic cost (MW/MW) |
|---|---|---|---|---|
| 1a | Water | 0 | 0 | 1 |
| 1b | Air | 0 | 0 | 1 |
| 1c | Fuel | 300 | 254 | 1 |
| 1d | Wind | 100 | 100 | 1 |
| 2a | Helium 725 psi, 850 °C | 5 | 4.853 | 1.075 |
| 2b | Helium 725 psi, 197.6 °C | 3.853 | 3.365 | 1.075 |
| 2c | Helium 725 psi, 850 °C | 248.1 | 240.8 | 1.075 |
| 2e | Helium 725 psi, 850 °C | 127.6 | 123.9 | 1 |
| 2f | Helium 280 psi, 545.1 °C | 30.28 | 28.89 | 15.31 |
| 2g | Helium 280 psi, 32.8 °C | 28.89 | 6.855 | 64.50 |
| 2h | Helium 725 psi, 197.6 °C | 6.855 | 5.988 | 1.075 |
| 3 | Hydrogen | 1 | 0.5 | 1.599 |
| 4 | Oxygen | 1 | 0.5 | 1.599 |
| 5 | Mechanical work | 181.8 | 181.8 | 2.467 |
| 6 | Mechanical work | 152.5 | 152.5 | 2.467 |
| 7a | Electrical work | 150 | 150 | 2.492 |
| 7b | Electrical work | 1 | 1 | 2.492 |
| 8 | Electrical work | 95 | 95 | 1.053 |
| 9 | Heat | 2.5 | 0 | 0 |
| 10 | Heat | 46.02 | 0 | 0 |
| 12 | Heat | 35.08 | 0 | 0 |
| 13 | Heat | 16.69 | 0 | 0 |
| 14 | Heat | 16.78 | 0 | 0 |
| 15 | Heat | 5 | 0 | 0 |
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