Table 10 Result of exergy analysis [onion] 2nd day
Time (s) | \({\text{Ex}}_{\text{dco}}\) (KJ/kg) | \({\text{Ex}}_{\text{dci}}\) (KJ/Kg) | \({\text{Ex}}_{\text{loss}}\) (KJ/Kg) | \({\text{Ex}}_{\text{out}}\) (w) | \({\text{Ex}}_{\text{rad}}\) (w) | \(\eta_{{{\text{Ex}}.{\text{solar}}}}\) % | \(\eta_{{{\text{Ex}}.{\text{do}}}}\) (%) | \(\eta_{{{\text{Ex}}.{\text{net}}}}\) (%) | Ta (°C) | Tdco (°C) | Tdci (°C) | \(\bar{c}_{p}\)(KJ/kg K) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 0.291 | 0.329 | 0.038 | – | 301.8 | – | 86.94 | – | 24.1 | 37.4 | 38.3 | 1.0052 | 1.0053 |
3600 | 0.170 | 0.233 | 0.063 | 96.64 | 190.8 | 50.6 | 62.94 | 31.8 | 27.7 | 37.9 | 39.7 | 1.0053 | 1.0054 |
7200 | 0.184 | 0.254 | 0.070 | 128.3 | 237.0 | 54.1 | 61.95 | 33.5 | 27.8 | 38.4 | 40.3 | 1.0054 | 1.0054 |
10,800 | 0.226 | 0.325 | 0.099 | 210.5 | 293.3 | 71.7 | 56.19 | 40.3 | 28.3 | 40.1 | 43.2 | 1.00543 | 1.0056 |
14,400 | 0.335 | 0.482 | 0.147 | 250.0 | 274.9 | 90.9 | 56.12 | 51.0 | 29.1 | 43.5 | 46.5 | 1.00553 | 1.0057 |
18,000 | 0.312 | 0.411 | 0.099 | 230.4 | 251.7 | 91.5 | 68.27 | 62.5 | 30.1 | 43.9 | 47.8 | 1.0056 | 1.0057 |
21,600 | 0.280 | 0.281 | 0.001 | 212.2 | 244.3 | 86.8 | 96.64 | 83.8 | 31.3 | 44.5 | 48.7 | 1.0056 | 1.0058 |
25,200 | 0.361 | 0.531 | 0.170 | 180.4 | 217.6 | 82.8 | 53.91 | 44.6 | 31.7 | 46.7 | 50.1 | 1.0057 | 1.0058 |
28,800 | 0.469 | 0.562 | 0.093 | 172.8 | 251.5 | 68.7 | 80.22 | 55.1 | 29.1 | 46.2 | 47.9 | 1.00564 | 1.0057 |
32,400 | 0.184 | 0.231 | 0.047 | 123.8 | 179.2 | 69.1 | 74.45 | 51.4 | 27.5 | 38.1 | 41.9 | 1.00535 | 1.0055 |
36,000 | 0.265 | 0.346 | 0.081 | 202.7 | 266.3 | 76.1 | 69.43 | 52.8 | 24.5 | 37.2 | 39.1 | 1.0052 | 1.0053 |
39,600 | 0.231 | 0.357 | 0.125 | 233.4 | 292.3 | 79.8 | 45.45 | 36.3 | 23.5 | 35.2 | 38.3 | 1.0051 | 1.0053 |