What does knudsen number mean?
Definitions for knudsen number
knud·sen num·ber
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Wikipedia
Knudsen number
The Knudsen number (Kn) is a dimensionless number defined as the ratio of the molecular mean free path length to a representative physical length scale. This length scale could be, for example, the radius of a body in a fluid. The number is named after Danish physicist Martin Knudsen (1871–1949). The Knudsen number helps determine whether statistical mechanics or the continuum mechanics formulation of fluid dynamics should be used to model a situation. If the Knudsen number is near or greater than one, the mean free path of a molecule is comparable to a length scale of the problem, and the continuum assumption of fluid mechanics is no longer a good approximation. In such cases, statistical methods should be used.
Numerology
Chaldean Numerology
The numerical value of knudsen number in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of knudsen number in Pythagorean Numerology is: 8
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"knudsen number." Definitions.net. STANDS4 LLC, 2024. Web. 29 Apr. 2024. <https://www.definitions.net/definition/knudsen+number>.
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