International
Electrotechnical
Commission
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Area
Physics for electrotechnology
/ Mechanics
IEV ref
113-03-40
Symbol
Eu
en
Euler number
quantity of dimension 1 characterizing losses in a flow of fluid, defined by
E
u
=
Δ
p
ρ
v
2
MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadweacaWG1bGaey ypa0ZaaSaaaeaaimaacqWFuoarcaWGWbaabaGaeqyWdixefi0BVTgi b5gDPfxDHbacfiGaa4NDamaaCaaaleqabaqcLbqacaaIYaaaaaaaaa a@46B8@
, where Δ
p
is the pressure drop,
ρ
is mass density, and
v
is speed
fr
nombre d’Euler
, m
grandeur sans dimension caractérisant les pertes dans un écoulement de fluide, définie par
E
u
=
Δ
p
ρ
v
2
MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaadweacaWG1bGaey ypa0ZaaSaaaeaaimaacqWFuoarcaWGWbaabaGaeqyWdixefi0BVTgi b5gDPfxDHbacfiGaa4NDamaaCaaaleqabaqcLbqacaaIYaaaaaaaaa a@46B8@
, où Δ
p
est la chute de pression,
ρ
est la masse volumique et
v
est la vitesse
ar
عدد (كمية) إيلر
cs
Eulerovo číslo
de
Euler-Zahl, f
es
número de Euler
fi
Eulerin luku
it
numero Eulero
ko
오일러 수
ja
オイラー数
pl
liczba Eulera
pt
número de Euler
sv
eulertal
zh
欧拉数
Publication date:
2011-04
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