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Area Physics for electrotechnology / Mechanics

IEV ref113-03-34

Symbol
η

en
dynamic viscosity
viscosity
for a fluid with laminar flow in x-direction, thus for which vy = vz = 0 and vx = vx (z) ≥ 0, where x, y, z are Cartesian coordinates, scalar quantity characterizing internal friction and equal to τ xz d v x /dz MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaeqiXdq 3aaSbaaSqaaiaadIhacaWG6baabeaaaOqaaKqzafGaaiizaerbc92B RbsqUrxAXvxyaGqbcOGaa8NDamaaBaaaleaacaWG4baabeaakiaac+ cajugqbiaacsgacaWG6baaaaaa@488B@ , where τxz is the shear stress in the fluid

NOTE The coherent SI unit of dynamic viscosity is pascal second, Pa·s.


fr
viscosité dynamique, f
viscosité, f
pour un fluide en écoulement laminaire dans la direction x, c'est-à-dire tel que vy = vz = 0 et vx = vx (z) ≥ 0, où x, y, z sont des coordonnées cartésiennes, grandeur scalaire caractérisant le frottement interne et égale à τ xz d v x /dz MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaeqiXdq 3aaSbaaSqaaiaadIhacaWG6baabeaaaOqaaKqzafGaaiizaerbc92B RbsqUrxAXvxyaGqbcOGaa8NDamaaBaaaleaacaWG4baabeaakiaac+ cajugqbiaacsgacaWG6baaaaaa@488B@ , où τxz est la contrainte tangentielle dans le fluide

NOTE L'unité SI cohérente de viscosité dynamique est le pascal seconde, Pa·s.


ar
لزوجة ديناميكية
لزوجة

de
dynamische Viskosität, f
Viskosität, f

es
viscosidad dinámica
viscosidad

fi
dynaaminen viskositeetti

it
viscosità dinamica
viscosità

ja
動的粘性
粘性

pl
lepkość dynamiczna
lepkość

pt
viscosidade dinâmica

sv
dynamisk viskositet
viskositet

zh
动力黏度
黏度

Publication date: 2011-04
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