Figure 1–2.
Figure 3–5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Table 6.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Analysis results in Therm – Distribution of isotherms for particular models, temperature values in selected places for building 3: Mickiewicza 8 (example of calculations for a variant no 1)
| Variant no I: Mineral panels based on light cellular concrete gr. 5 cm |
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Physical parameters of the analyzed partition in the existing state
| No | Material | d [m] | λ[W/mK] | Emissivity ε |
|---|---|---|---|---|
| 1 | White glazed ceramic tile | 0.01 | 0.68 | 0.90 |
| 2 | Lime morta | 0.01 | 0.7 | 0.91 |
| 3 | Old brickwork wall 1810 kg/m3 | 0.12 | 0.705 | 0.88 |
| 4 | Pine wood, 550 kg/m3 | 0.12 | 0.16 | 0.86 |
| 5 | Cement-lime internal plaste | 0.02 | 0.88 | 0.91 |
Temperature and values of the temperature factor fRsi in selected points of the partition for state after modifications from the inside – cross section
| Results for variants after insulating from the inside | |||
| Variant No 1 | Variant No 2 | Variant No 3 | |
| Building M1 | |||
| t1 | 10.9°C | 11.7°C | 13.1°C |
| Temperature factor fRsi | 0.59 | 0.63 | 0.69 |
| t2 | - | - | - |
| t3 | 4.7°C | 6.5°C | 4.7°C |
| Temperature factor fRsi | 0.32 | 0.40 | 0.32 |
| Building M2 | |||
| t1 | 9.4°C | 10.4°C | 14.5°C |
| Temperature factor fRsi | 0.53 | 0.57 | 0.75 |
| t2 | 3.4°C | 4.3°C | 3.4°C |
| Temperature factor fRsi | 0.26 | 0.30 | 0.26 |
| t3 | 6.2°C | 7.4°C | 6.2°C |
| Temperature factor fRsi | 0.38 | 0.44 | 0.38 |
| Building M3 | |||
| t1 | 13.0°C | 14.1°C | 16.8°C |
| Temperature factor fRsi | 0.69 | 0.74 | 0.86 |
| t2 | 4.3°C | 6.0°C | 5.9°C |
| Temperature factor fRsi | 0.30 | 0.38 | 0.37 |
| t3 | 6.7°C | 9.1°C | 8.6°C |
| Temperature factor fRsi | 0.41 | 0.51 | 0.49 |
Material data for variant I, II, III
| No | Material | d [m] | λ[W/mK] | Emissivity ε |
|---|---|---|---|---|
| 1 | Light concrete | 0.005 | 0.2 | 0.91 |
| 2 | Mineral plates | 0.05 | 0.042 | 0.90 |
| 3 | Larch boards 400 kg/m3 | 0.07 | 0.128 | 0.86 |
| 4 | Larch logs 400 kg/m3 | 0.14 | 0.128 | 0.86 |
Choice of thickness of insulation material for variant No_ I, II and III
| Selection of insulation materials thicknesses | |||||
| Lp. | Material | d [m] | λ [W/mK] VARIANT | R [m2K/W] | U [W/(m2K)] |
| VARIANT II | |||||
| 1 | Larch boards | 0.07 | 0.128 | 0.547 | 1.83 |
| VARIANT III | |||||
| 1 | Larch logs | 0.14 | 0.128 | 1.094 | 0.91 |
| VARIANT I | |||||
| 1 | Light concrete | 0.05 | 0.042 | 1.16 | 0.86 |
Climatic data and parameters related to heat transfer
| No | Climatic data | |
|---|---|---|
| 1 | The outside temperature t e | -2.4°C |
| 2 | The internal temperature t i | 20.0°C |
| 3 | Relative humidity φ | 50% |
| Heat transfer | ||
| 4 | Coefficients of heat transfer h e | 25 W/(m2K) |
| 5 | Coefficients of heat transfer h i | 7.69 W/(m2K) |
| 6 | Coefficients of heat transfer (condensation of water vapour) | 4.0 W/(m2K) |
Thermal insulation of bulkheads in existing state
| Building 1 1 Mickiewicza Street | Building 2 34 Wolności Street | Building 3 8 Mickiewicza Street |
| U = 2.3278 W/m2K | U = 1.5961 W/m2K | U =1.5603 W/m2K |
Structural details (models) – location on the facade, diagrams of cross-sections accepted for theoretical analyses carried out in the Therm program
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Temperature at selected points – existing condition
| Temperature results for the state of existing objects | |||
| Building 1 1 Mickiewicza Street | Building 2 34 Wolności Street | Building 3 8 Mickiewicza Street | |
| Cross-sections | |||
| t1 | 13.2°C | 12.4°C | 15.5°C |
| t2 | No data | 7.6°C | 10.9°C |
| t4 | 14.5 | 14.1 | 16.8 |
| Longitudinal section | |||
| t1 | 16.5°C | 15.8°C | 15.9°C |
| t2 | No data | 10.7°C | 10.4°C |
| t3 | 12.4°C | 15.1°C | 15.2°C |