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・ Eddy covariance
・ Eddy Creek
・ Eddy Creek (Kentucky)
・ Eddy Creek (Lackawanna River)
・ Eddy Crow
・ Eddy Cue
・ Eddy current
・ Eddy Current (comics)
・ Eddy current brake
・ Eddy current separator
・ Eddy Current Suppression Ring
・ Eddy Curry
・ Eddy D. Field Stadium
・ Eddy De Lépine
・ Eddy de Neve
Eddy diffusion
・ Eddy Donaghy
・ Eddy Duchin
・ Eddy Díaz
・ Eddy Ellwood
・ Eddy ErDogan
・ Eddy Etaeta
・ Eddy Ferhi
・ Eddy Fort Moda Grog
・ Eddy Francis
・ Eddy François
・ Eddy Furniss
・ Eddy Garabito
・ Eddy Gesualdo
・ Eddy Ghossein


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Eddy diffusion : ウィキペディア英語版
Eddy diffusion
Eddy diffusion, eddy dispersion, multipath, or turbulent diffusion is any diffusion process by which substances are mixed in the atmosphere or in any fluid system due to eddy motion.〔IUPAC Compendium of Chemical Terminology 2nd Edition (1997) Gold Book (Link )〕〔Science world, wolframe〕 In another definition〔Glossary of Meteorology (Link )〕 it is mixing that is caused by eddies that can vary in size from the small Kolmogorov microscales to subtropical gyres.
Because the microscopic processes responsible for atmospheric mixing are too complex to model in detail, atmospheric modelers generally treat atmospheric mixing as a macroscopic "eddy" diffusion process. In this approach, the diffusion rate at each pressure level is parameterized by a quantity known as the eddy diffusion coefficient, K〔Chamberlain and Hunten 1987, pp. 75 and 90〕 (also sometimes called eddy diffusivity, with units of m2 s-1).
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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