OGS
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DeVries type Vapour diffusion.
The model was presented in [12].
The vapour diffusion can be described by
\[ D_v=5.9\cdot 10^{-6} \frac{\left(T\, \text{in K}\right)^{2.3}}{p, \text{in Pa}} D_{vr}, \]
where \(D_{vr}\) is the the relative diffusion coefficient, and \(T\) is the temperature.
No additional info.
Used in no end-to-end test cases.