Table 1 Measurements for the prototype and three four-sided WTHSs (S1–S3)
Whole-tree heating structure | Length of side (cm) | Total perimeter length (cm) | Height (cm) | Cross-sectional area of base (m2) | Internal volume of WTHS (m3) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |||||
Prototype | 140 | 140 | 140 | 140 | 140 | 140 | 840 | 270 | 5.09 | 13.74 |
S1 | 160 | 165 | 160 | 165 | – | – | 650 | 210 | 2.58 | 5.41 |
S2 | 130 | 135 | 255 | 200 | – | – | 720 | 280 | 2.93 | 8.19 |
S3 | 210 | 260 | 175 | 185 | – | – | 830 | 310 | 4.19 | 12.99 |