Table 3 Results of orthogonal experiments.
No | Spacing (m) | Depth (m) | Volume (m3) | Number of HPs | Price of a heat pipe (RMB) | Cost (RMB) |
|---|---|---|---|---|---|---|
1 | 3 | 4 | 23,904 | 649 | 3800 | 2,466,200 |
2 | 3 | 5 | 22,096 | 649 | 3900 | 2,531,100 |
3 | 3 | 6 | 19,903 | 649 | 4000 | 2,596,000 |
4 | 3 | 7 | 17,814 | 649 | 4100 | 2,660,900 |
5 | 4 | 4 | 25,599 | 335 | 3800 | 1,273,000 |
6 | 4 | 5 | 24,484 | 335 | 3900 | 1,306,500 |
7 | 4 | 6 | 22,969 | 335 | 4000 | 1,340,000 |
8 | 4 | 7 | 21,499 | 335 | 4100 | 1,373,500 |
9 | 5 | 4 | 26,623 | 214 | 3800 | 813,200 |
10 | 5 | 5 | 25,899 | 214 | 3900 | 834,600 |
11 | 5 | 6 | 25,054 | 214 | 4000 | 856,000 |
12 | 5 | 7 | 24,131 | 214 | 4100 | 877,400 |
13 | 6 | 4 | 27,169 | 145 | 3800 | 551,000 |
14 | 6 | 5 | 26,785 | 145 | 3900 | 565,500 |
15 | 6 | 6 | 26,073 | 145 | 4000 | 580,000 |
16 | 6 | 7 | 25,620 | 145 | 4100 | 594,500 |
