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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

ko
동적 점도
점도

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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