Spray Drying Droplet Evaporation Calculator

Calculate atomized droplet drying kinetics via the $d^2$ law, Ranz-Marshall convective heat transfer, droplet lifetime, and dried powder granule diameter.

Atomization & Chamber Conditions

Initial Droplet Dia d_0 (μm): Sauter mean diameter (D32)

Feed Total Solids (% wt): e.g. concentrated skim milk

Inlet Air Temp T_in (°C):

Wet-Bulb Temp T_wb (°C): Droplet surface equilibrium

Chamber Air Flow (m³/min):

Chamber Volume (m³):

Drying Kinetics & Powder Sizing

Droplet Evaporation Time

Final Dry Particle Dia

Chamber Res. Time

Res / Evap Ratio

Wall Deposition Risk

Drying Chamber Assessment

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Spray Drying Droplet Evaporation Calculator

Atomization & Chamber Conditions

Drying Kinetics & Powder Sizing

Frequently Asked Questions