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Area Physics for electrotechnology / Thermodynamics

IEV ref113-04-27

Symbol
αl
α

en
coefficient of linear expansion
linear expansion coefficient
quantity characterizing the variation with thermodynamic temperature T of the distance l between two points of a body, under given conditions, thus α l = 1 l dl dT MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaale aacaWGSbaabeaakiabg2da9maalaaabaqcLbuacaaIXaaakeaacaWG SbaaaiaaysW7daWcaaqaaKqzafGaaeizaOGaamiBaaqaaKqzafGaae izaOGaamivaaaaaaa@45B5@

NOTE 1 Usually the condition is absence of external forces.

NOTE 2 The coherent SI unit of linear expansion coefficient is kelvin to the power minus one, K−1.


fr
coefficient de dilatation linéique, m
grandeur qui caractérise la variation de la distance l entre deux points d'un corps en fonction de la température thermodynamique T, dans des conditions données, soit α l = 1 l dl dT MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaale aacaWGSbaabeaakiabg2da9maalaaabaqcLbuacaaIXaaakeaacaWG SbaaaiaaysW7daWcaaqaaKqzafGaaeizaOGaamiBaaqaaKqzafGaae izaOGaamivaaaaaaa@45B5@

NOTE 1 La condition est en général l'absence de forces extérieures.

NOTE 2 L'unité SI cohérente de coefficient de dilatation linéique est le kelvin à la puissance moins un, K−1.


ar
معامل التمدد الطولى

de
Längenausdehnungskoeffizient, m

es
coeficiente de dilatación lineal

fi
pituuden lämpölaajenemiskerroin

it
coefficiente di dilatazione lineica

ja
線膨張係数

pl
współczynnik wydłużalności liniowej

pt
coeficiente de dilatação linear

sv
längdutvidgningskoefficient

zh
线胀系数

Publication date: 2011-04
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