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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

ko
선팽창 계수

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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