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Area Lighting / Radiation, quantities and units

IEV ref845-01-30

Symbol
Ie
I

en
radiant intensity (of a source, in a given direction)
quotient of the radiant flux dΦe leaving the source and propagated in the element of solid angle dΩ containing the given direction, by the element of solid angle

I e = d Φ e dΩ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadMeadaWgaaWcbaGaaeyzaaqabaGccqGH9aqpdaWcaaqaaiaabsgacqqHMoGrdaWgaaWcbaGaaeyzaaqabaaakeGabaa8niaabsgacqqHPoWvaaaaaa@3F46@

unit : W · sr -1


fr
intensité énergétique (d'une source, dans une direction donnée) f
quotient du flux énergétique dΦe quittant la source et se propageant dans l'élément d'angle solide dΩ contenant la direction donnée, par cet élément d'angle solide

I e = d Φ e dΩ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadMeadaWgaaWcbaGaaeyzaaqabaGccqGH9aqpdaWcaaqaaiaabsgacqqHMoGrdaWgaaWcbaGaaeyzaaqabaaakeGabaa8niaabsgacqqHPoWvaaaaaa@3F46@

unité : W · sr -1


ar
شدة إشعاعية (لمصدر ما في إتجاه معين)

de
Strahlstärke (einer Strahlungsquelle, in einer gegebenen Richtung), f

es
intensidad radiante

fi
säteilyintensiteetti

it
intensità energetica

ko
방사 강도, 방사원

ja
放射強度

no
nb strålingsstyrke

nn strålingsstyrke

pl
natężenie promieniowania (źródła w określonym kierunku)

pt
intensidade energética (de uma fonte, numa dada direcção)

sr
јачина зрачења , <извора у датом правцу> ж јд
интензитет зрачења, м јд

sv
strålningsstyrka

Publication date: 1987
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