Diffusion Coefficient
Equation
Input
Enter values in all but one input field and hit ENTER
D
(m
2
s
-1
)
d
me
(m)
δ
κ
λ
g
(m)
η
g
(kg m
-1
s
-1
)
T
(K)
Output
D
= 6.77398 × 10
-10
m
2
s
-1
Term List
D
, Diffusion Coefficient
d
me
, Mass-Equivalent Diameter
k
, Boltzmann Constant
T
, Temperature
C
c
, Cunningham Slip Correction Factor
δ
, Porosity Factor
κ
, Envelope Shape Factor
η
g
, Dynamic Viscosity
λ
g
, 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.
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