| Numbers | Dimension [mm] | Thermal resistance [(m2∙K)/W] | Total thermal resistance [(m2∙K)/W] | Heat transfer coefficient [W/(m2∙K)] | Equivalent thermal conductivity [W/(m∙K)] |
| ① | 290 × 240* × 190 | 0.663 | 0.813 | 1.23 | 0.374 |
| ② | 290 × 240* × 90 | 0.640 | 0.790 | 1.27 | 0.389 |
| ③ | 290 × 190* × 190 | 0.559 | 0.709 | 1.41 | 0.354 |
| ④ | 290 × 190* × 90 | 0.520 | 0.670 | 1.49 | 0.382 |