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. 2023 Jan 18;13:946. doi: 10.1038/s41598-023-27748-4

Table 4.

Materials data for the multilayer wall. Variant 1: external cladding made of fiber-reinforced concrete, δp = 20 mm; variant 2: cladding made of aluminum alloy, δp = 3 mm.

Wall (concrete) Insulation (mineral wool) Mounting anchor Stainless steel fastener with holes for heat flow extension, δf = 3 mm Cladding (fiber-reinforced concrete) δp = 20 mm
ρ (kg m−3) 2400 40 7600 7600 2000
λ (W m−1 K−1) 2.5 0.036 15 4.26 1.5
c (J kg−1 K−1) 840 750 450 450 840
Aluminum alloy fastener, δf = 4 mm Cladding (fiber-reinforced concrete), δp = 20 mm
ρ (kg m−3) 2710 2000
λ (W m−1 K−1) Values as in the line above 21.04 1.5
c (J kg−1 K−1) 1256 840
Stainless steel fastener with holes for heat flow extension, δf = 3 mm Cladding (aluminum alloy), δp = 3 mm
ρ (kg m−3) 7600 2710
λ (W m−1 K−1) Values as in the line above 4.26 167
c (J kg−1 K−1) 450 1256.1
Aluminum alloy fastener, δf = 4 mm Cladding (aluminum alloy), δp = 3 mm
ρ (kg m−3) 2710 2710
λ (W m−1 K−1) Values as in the line above 21.04 167
c (J kg−1 K−1) 1256 1256.1