Diffusion Coefficient


Equation



Input

Enter values in all but one input field and hit ENTER


Output

D = 6.77398 × 10-10 m2 s-1


Term List

D, Diffusion Coefficient

dme, Mass-Equivalent Diameter

k, Boltzmann Constant

T, Temperature

Cc, Cunningham Slip Correction Factor

δ, Porosity Factor

κ, Envelope Shape Factor

ηg, Dynamic Viscosity

λg, Mean Free Path


Reference

Equation 35.2 of N.A. Fuchs, The Mechanics of Aerosols, Oxford: Pergamon Press, 1964, available as an Unabridged Dover (1989) republication.