Research Article
Italian Residential Buildings: Economic Assessments for Biomass Boilers Plants
Table 7
Main thermal parameters for the current wall stratigraphy of the building (Case
1—
post operam and Case
2).
| | Materials | Thickness (mm) | Thermal conductivity (W/m × K) | Density (kg/m3) | Resistance factor (dimensionless) | Specific heat (J/kg × °C) | Thermal resistance (m2 × K/W) | Overall thermal transmittance (W/m2 × K) |
| | Internal plaster | 20 | 0.35 | 1200 | 10 | 835 | 0.057 | 0.359 | | Brick | 280 | 0.777 | 1800 | 15 | 835 | 0.36 | | Insulating layer | 50 | 0.023 | 38 | 89900 | 1392 | 2.174 | | External plaster | 20 | 0.9 | 1800 | 20 | 835 | 0.022 |
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