Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron

Table 4

Values of the effective diffusivity for three drying air temperatures.

	The slope	L (mm)	Deff (m^2 s^−1)	r
35°C	−0.0321	0.2	8.67 10^−12	0.9619
40°C	−0.0386	0.2	1.04 10^−11	0.9570
50°C	−0.0541	0.2	1.46 10^−11	0.9539