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Table 2
Technical characteristics of the solar trigeneration plant.
| Parameters | Al2O3 | CuO | Cu | MgO | SiO2 | χ2 | t |
|---|---|---|---|---|---|---|---|
| PRopt | 0.761 | 0.849 | 0.900 | 0.876 | 0.87 | 0.999 | 0.009 |
| φopt (%) | 4.35 | 4.64 | 4.61 | 5.23 | 5.3 | 0.996 | 0.201 |
| Thr,opt (°C) | 113.7 | 113.7 | 113.7 | 113.7 | 100 | 0.111 | 0.008 |
| Exergy efficiency, ηex | 0.278 | 0.25 | 0.261 | 0.24 | 0.229 | 0.953 | 0 |
| Energy (thermal) efficiency, ηT | 1.267 | 1.25 | 1.261 | 1.246 | 1.232 | 0.926 | 0 |
| Production of electricity, Qe (kW) | 210 | 202.8 | 202.3 | 212.8 | 210 | 0.756 | 0.011 |
| Cold generation, Qc (kW) | 197.5 | 181 | 160 | 136 | 124 | 0.023 | 0.008 |
| Heat production, Qh (kW) | 90 | 98 | 77 | 77 | 75 | 0.069 | 0.002 |
| Solar collector heat, Qin (kW) | 500 | 490 | 447.9 | 435.6 | 415 | 0.061 | 0.035 |
| Losses, Qloss (kW) | 2.5 | 8.2 | 8.6 | 9.8 | 6 | 0.7 | 0.014 |
| Overall efficiency, η | 0.6 | 0.55 | 0.44 | 0.5 | 0.43 | 0.869 | 0 |
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