Knudsen number
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Knudsen number is a measure of the rarefaction of the flow.The various [[Flow regimes ]] can be classifed based on Knudsen number. | Knudsen number is a measure of the rarefaction of the flow.The various [[Flow regimes ]] can be classifed based on Knudsen number. | ||
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Revision as of 05:42, 21 September 2005
The Knudsen number is defined as
where
is the mean free path of the molecules
is the characteristic dimension
Knudsen number is a measure of the rarefaction of the flow.The various Flow regimes can be classifed based on Knudsen number.
