Research Article
External Thermal Insulation Composite Systems: Critical Parameters for Surface Hygrothermal Behaviour
Table 3
Surface transfer coefficients in numerical simulations.
| Surface transfer coefficients |
| Exterior convective heat transfer coefficient (W/m2·K) | Leeward: Windward:
| Short-wave radiation absorbance (exterior rendering) | 0.35 | Long-wave radiation emissivity (exterior rendering) | 0.85 (measured value) | Long-wave radiation emissivity (ground) | 0.90 (measured value) | Short-wave radiation reflectance (ground) | 0.20 | Long-wave radiation reflectance (ground) | 0.10 | Interior heat resistance (m2·K/W) | 0.125 | Rain absorption factor | 0.70 |
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