SELECTED PROBLEMS INVOLVING THE PRESERVATION OF HISTORICAL FRAME BUILDINGS IN SILESIA IN THE CONTEXT OF THEIR FUTURE THERMO-RENEWAL

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

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

The building is located among the buildings of the Patronacki Housing Estate in Czerwionka-Leszczyny, at. Mickiewicza Street no 1.

The building is located among the buildings of the Patronacki Housing Estate in Czerwionka-Leszczyny, at. Wolności Street No 34.

The building is located among the buildings of the Patronacki Housing Estate in Czerwionka-Leszczyny, at. Mickiewicza Street No 8.

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