Regulation of Temperature on Multitrays in an Indirect Solar Dryer (ISD) with Energy Storage and Three Airflow Modes

Table 1

Thermophysical properties of materials.

	Calorific capacity (J·kg^−1·K^−1)	Density (kg·m^−3)	Thermal conductivity (W·m^−1·K^−1)	Coefficient
				Absorption	Reflection	Emissivity
Steel	465	7833	54	0.95	0.05	0.98
Aluminium	896	2707	204
Glass	700	2500	1	0,1		0.04
White wood	3147	375	0,12