Indoor Solar Thermal Energy Saving Time with Phase Change Material in a Horizontal Shell and Finned-Tube Heat Exchanger

Table 1

Thermophysical properties of the PCM and finned-tube.

Properties	Tube material	Phase change material
		Solid	Liquid
(kg/m^3)	8800	0.790	0.916
(j/kg·K)	420	n.a	n.a
(W/m·K)	52	0.167	0.346
(m^2/s)	1.4 × 10^−5	n.a
(kj/kg)	n.a	160
(°C)	n.a	53	57