Queries, comments, suggestions? Please contact us.



Area Physics for electrotechnology / Thermodynamics

IEV ref113-04-42

Symbol
Gr

en
Grashof number
quantity of dimension 1 characterizing the heat transfer by natural convection in a fluid, defined by Gr= l 3 g α V ΔT ν 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadEeacaWGYbGaey ypa0ZaaSaaaeaacaWGSbWaaWbaaSqabeaajugabiaaiodaaaGccaWG NbGaeqySde2aaSbaaSqaaiaadAfaaeqaaOGaaGjcVJWaaiab=r5aej aadsfaaeaacqaH9oGBdaahaaWcbeqaaKqzaeGaaGOmaaaaaaaaaa@487B@ , where l is a specified length, g is acceleration of free fall, αV is cubic expansion coefficient, ΔT is thermodynamic temperature difference, and ν is kinematic viscosity

fr
nombre de Grashof, m
grandeur sans dimension caractérisant le transfert thermique par convection libre dans un fluide, définie par Gr= l 3 g α V ΔT ν 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadEeacaWGYbGaey ypa0ZaaSaaaeaacaWGSbWaaWbaaSqabeaajugabiaaiodaaaGccaWG NbGaeqySde2aaSbaaSqaaiaadAfaaeqaaOGaaGjcVJWaaiab=r5aej aadsfaaeaacqaH9oGBdaahaaWcbeqaaKqzaeGaaGOmaaaaaaaaaa@487B@ , où l est une longueur spécifiée, g est l’accélération due à la pesanteur, αV est le coefficient de dilatation volumique, ΔT est la différence de température thermodynamique et ν est la viscosité cinématique

ar
عدد جراشوف

de
Grashof-Zahl, f

es
número de Grashof

fi
Grashofin luku

it
numero di Grashof

ja
グラスホフ数

pl
liczba Grashofa

pt
número de Grashof

sv
grashoftal

zh
格拉斯霍夫数

Publication date: 2011-04
Copyright © IEC 2017. All Rights Reserved.