Research Article
Boolean-Based Surface Procedure for the External Heat Transfer Analysis of Dams during Construction
Table 3
Calculation of solar irradiation.
(a) |
| Xiluodu Dam | Latitude: 28° N | Longitude: 103° E |
| Zhaotong Station | Latitude: 27°19′ N | Longitude: 103°45′ E |
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(b) |
| | Jan 21st | Feb 21st | Mar 21st | Apr 21st | May 21st | Jun 21st |
| | 21 | 52 | 80 | 111 | 141 | 172 | | 0.362 | 0.369 | 0.448 | 0.479 | 0.525 | 0.504 | | 2.080 | 2.084 | 1.835 | 1.791 | 1.707 | 1.820 | (W/m2) | 674.24 | 719.12 | 750.84 | 764.69 | 762.99 | 758.19 | (W/m2) | 189.32 | 204.92 | 217.25 | 223.84 | 224.33 | 223.10 | (h) | | | | | | | (W/m2) | 466.16 | 504.89 | 541.53 | 551.07 | 547.52 | 546.35 | (W/m2) | 132.36 | 143.80 | 154.89 | 158.71 | 158.28 | 157.89 | (W/m2) | 401.51 | 360.70 | 280.32 | 162.93 | 91.00 | 71.70 | (W/m2) | 378.29 | 448.80 | 521.64 | 561.99 | 568.09 | 568.47 |
| | Jul 21st | Aug 21st | Sep 21st | Oct 21st | Nov 21st | Dec 21st |
| | 202 | 233 | 264 | 294 | 325 | 355 | | 0.512 | 0.546 | 0.487 | 0.448 | 0.391 | 0.365 | | 1.820 | 1.708 | 1.833 | 1.883 | 2.025 | 2.076 | (W/m2) | 751.02 | 754.78 | 740.12 | 707.95 | 667.55 | 650.57 | (W/m2) | 222.60 | 220.96 | 214.20 | 201.56 | 187.34 | 181.68 | (h) | | | | | | | (W/m2) | 547.62 | 539.21 | 526.69 | 498.23 | 463.08 | 446.57 | (W/m2) | 158.32 | 155.75 | 150.59 | 142.10 | 131.67 | 129.80 | (W/m2) | 89.61 | 157.91 | 270.12 | 360.71 | 401.60 | 407.44 | (W/m2) | 568.91 | 550.41 | 507.16 | 441.23 | 375.37 | 348.70 |
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