Mean Free Path
Equation
Input
Enter values in all but one input field and hit ENTER
λ
(m)
d
me
(m)
δ
κ
λ
g
(m)
η
g
(kg m
-1
s
-1
)
m
(kg)
T
(K)
Output
λ
= 9.65644 × 10
-9
m
Term List
λ
, Mean Free Path
d
me
, Mass-Equivalent Diameter
k
, Boltzmann Constant
m
, Particle Mass
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 9.88 of J. Seinfeld and S. Pandis,
Atmospheric Chemistry and Physics
, New York: Wiley, 2006.
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