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Knudsen Number Calculator

Physics

Knudsen Number Calculator

Knudsen number Kn = λ / L.

Mean free path λ (m)

Length L (m)

Knudsen number

How it works

Knudsen number compares molecular mean free path to a characteristic length.

Divide mean free path by characteristic length.

\[ Kn = \frac{\lambda}{L} \]

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