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1 критерий Кнудсена
Русско-английский словарь нормативно-технической терминологии > критерий Кнудсена
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2 число Кнудсена
число Кнудсена (Kn)
Безразмерный параметр, равный отношению длины свободного пробега молекул газа к характерному линейному размеру течения, .
Примечание
Число Кнудсена характеризует степень разреженности газа.
[ ГОСТ 23199-78] [ ГОСТ 23281-78]Тематики
Обобщающие термины
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Русско-английский словарь нормативно-технической терминологии > число Кнудсена
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3 число кнудсена
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4 число Кнудсена
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5 число кнудсена
Astronautics: Knudsen number -
6 увеличивать до значений, превышающих
Увеличивать до значений, превышающих-- The Knudsen number, k, was increased to values beyond one.Русско-английский научно-технический словарь переводчика > увеличивать до значений, превышающих
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7 число подобия кнудсена
Русско-английский физический словарь > число подобия кнудсена
См. также в других словарях:
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 … Wikipedia
Knudsen — is a surname of Scandinavian origin, derived from the personal name Knud (Canute).Knudsen refers to:*Persons **Gunnar Knudsen (1848 ndash;1928), Prime Minister of Norway 1908 ndash;1910 and 1913 ndash;1920 **Jens Martin Knudsen (1930 ndash;2005) … Wikipedia
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Knudsen diffusion — is a means of diffusion that occurs in a long pore with a narrow diameter (2–50nm) because molecules frequently collide with the pore wall. [cite web |url=http://www.mse.ufl.edu/ ssinn/Backgrounds/theo02 diff.html |title=Transport in Small Pores… … Wikipedia
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Gunnar Knudsen — (born Aanon Gunerius Knudsen on 19 September 1848, Saltrød 1 December 1928, Skien) was a Norwegian politician from the Liberal Party.He was Prime Minister of Norway from 1908 to 1910 and from 1913 to 1920, for a total of 9 years, 3 months and 4… … Wikipedia
Michael V. Knudsen — Medal record Michael V. Knudsen Competitor for Denmark … Wikipedia
Nusselt number — In heat transfer at a boundary (surface) within a fluid, the Nusselt number is the ratio of convective to conductive heat transfer across (normal to) the boundary. Named after Wilhelm Nusselt, it is a dimensionless number. The conductive… … Wikipedia
Rayleigh number — In fluid mechanics, the Rayleigh number for a fluid is a dimensionless number associated with buoyancy driven flow (also known as free convection or natural convection). When the Rayleigh number is below the critical value for that fluid, heat… … Wikipedia
Magnetic Reynolds number — The Magnetic Reynolds number is a dimensionless group that occurs in magnetohydrodynamics. It gives an estimate of the effects of magnetic advection to magnetic diffusion, and is typically defined by: where U is a typical velocity scale of the… … Wikipedia