Drying Rate Calculator

N = [M·(X₁−X₂)] / (t·A)

Drying Parameters

Initial moisture X₁ (kg/kg)

Final moisture X₂ (kg/kg)

Drying time t (h)

Dry mass M (kg)

Drying area A (m²)

N = [M·(X₁−X₂)] / (t·A)

Typical Moisture Contents

Material	Initial	Final
Food Grains	0.20	0.14
Ceramics	0.25	0.02
Pharmaceuticals	0.15	0.05
Wood	0.40	0.12
Textiles	0.30	0.08

Drying Phases

Constant rate: surface moisture removal
Falling rate: internal diffusion