Thermal Analysis of Building Roofs with Latent Heat Storage for Reduction in Energy Consumption and CO₂ Emissions: An Experimental and Numerical Research

Table 3

Roof envelope materials thermophysical properties.

PCM	Latent heat (H)	Phase transition range	PCM temperature (solid phase)	k (W/(m K))		PCM temperature (liquid phase)	Cp (J/(kg · K))		ρ (kg/m^3)
	J/kg	(°C)	(°C)	Solid	Liquid	(°C)	Solid	Liquid	Solid	Liquid
FS29	160	22–32	22	0.55 ± 0.002	0.45 ± 0.001	29	2,700 ± 3	2,100 ± 2	1,040 ± 3	952 ± 4
HS29	190	24–34	24	0.48 ± 0.004	0.38 ± 0.004	29	1,510 ± 2	2,320 ± 3	1,681 ± 5	1,530 ± 3
OM29	194	24–33	24	0.29 ± 0.003	0.17 ± 0.004	29	2,330 ± 3	2,720 ± 1	976 ± 4	880 ± 5
OM30	230	23–32	14.5	0.16 ± 0.002	0.15 ± 0.003	32	2,040 ± 4	2,780 ± 3	950 ± 6	878 ± 6
Plaster	–	–	–	0.72 ± 0.003	–	–	840 ± 1	–	1,760 ± 5	–
RCC	–	–	–	1.58 ± 0.002	–	–	1,100 ± 2	–	2,280 ± 2	–
Galvanized iron casing	–	–	–	61.06 ± 0.005	–	–	500 ± 0.04	–	7,520 ± 2	–