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Area Physics for electrotechnology / Thermodynamics

IEV ref113-04-54

Symbol
Pr

en
Prandtl number
quantity of dimension 1 characterizing the relative importance of viscosity and thermal diffusivity, defined by Pr= η c p λ = ν α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaGGaciaa=bfacaWFYb Gaeyypa0ZaaSaaaeaacqaH3oaAcaaMi8Uaam4yamaaBaaaleaacaWG WbaabeaaaOqaaiabeU7aSbaacqGH9aqpdaWcaaqaaiabe27aUbqaai abeg7aHbaaaaa@4724@ , where η is dynamic viscosity, cp is specific heat capacity at constant pressure, λ is thermal conductivity, ν is kinematic viscosity, and α is thermal diffusivity

fr
nombre de Prandtl, m
grandeur sans dimension caractérisant l’importance relative de la viscosité et de la diffusivité thermique, définie par Pr= η c p λ = ν α MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaGGaciaa=bfacaWFYb Gaeyypa0ZaaSaaaeaacqaH3oaAcaaMi8Uaam4yamaaBaaaleaacaWG WbaabeaaaOqaaiabeU7aSbaacqGH9aqpdaWcaaqaaiabe27aUbqaai abeg7aHbaaaaa@4724@ , où η est la viscosité dynamique, cp est la capacité thermique massique à pression constante, λ est la conductivité thermique, ν est la viscosité cinématique, α est la diffusivité thermique

ar
عدد براندتل

de
Prandtl-Zahl, f

es
número de Prandtl

fi
Prandtlin luku

it
numero di Prandtl

ja
プラントル数

pl
liczba Prandtla

pt
número de Prandtl

sv
prandtltal

zh
普朗特数

Publication date: 2011-04
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