relative humidity (%)

the ith predicted value of

db

dry matter (kg_w/kg_dm)

mean experimental value of

cylinder diameter

given drying parameter

water content (kg/kg)

Greek Letters

water activity (/)

real densities ratio (/)

transport coefficient (m²/s)

solid apparent density (kg/m³)

mass water flux (kg∙m⁻²∙s⁻¹)

water apparent density (kg/m³)

gradient of water density (kg/m⁴)

solid real density (kg/m³)

equilibrium mass of sample (kg)

water real density (kg/m³)

sample initial mass (kg)

porosity (/)

slab length

Subscripts

dry mass of sample (kg)

0

initial

velocity of the solid phase (m/s)

Z

number counter of parameters

velocity of the liquid phase (m/s)

i, j

respectively abscissa and time counters

N

number of observations

, dm

water, dry matter

correlation coefficient (%)

equilibrium

root mean square error (kg/kg)

Exp

experimental

equilibrium moisture content (kg/kg)

Pre

predicted

given drying parameter

solid