Knudsen gas
From Infogalactic: the planetary knowledge core
A Knudsen gas is a gas in a state of such low density that the mean free path of molecules is greater than the diameter of receptacle that contains it.[1] The molecular dynamical regime is then dominated by the collisions of the gas molecules with the walls of the receptacle rather than with each other.[2]
A flow of gas through a pipe is called Knudsen flow when it can be expressed as the difference of two independent flows, which enter the pipe through its different ends.[citation needed]
References
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<references />, or <references group="..." />Cited bibliography
- Lebon, G., Jou, D., Casas-Vázquez, J. (2008). Understanding Non-equilibrium Thermodynamics, Springer, Berlin, ISBN 978-3-540-74251-7.
- Partington, J.R. (1949). An Advanced Treatise on Physical Chemistry, Fundamental Principles. The Properties of Gases, Longmans, Green and Co., London.
See also
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