Numerical Investigations on Charging/Discharging Performance of a Novel Truncated Cone Thermal Energy Storage Tank on a Concentrated Solar Power System

Table 1

Thermophysical properties of PCM.

	PCM (NaNO3/KNO3)
ρ (kg/m^3)	2040(s), 1950(l)
λ (W/m·K)	0.5(s), 0.3(l)
Cp (J/kg·K)	1420(s), 1500(l)
Tm (K)	497
ΔH (kJ/kg)	105.8

The “(s)” and “(l)” stand for “solid” and “liquid” of PCM, respectively.