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Area Lighting / Radiation, quantities and units

IEV ref845-01-57

Symbol
V

en
luminous efficiency (of radiation)
ratio of radiant flux weighted according to V(λ) to the corresponding radiant flux

V= 0 Φ e,λ ( λ )V( λ )dλ 0 Φ e,λ ( λ )dλ = K K m MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAfacqGH9aqpdaWcaaqaamaapedabaGaeuOPdy0aaSbaaSqaaiaabwgacaqGSaGaeq4UdWgabeaakmaabmaabaGaeq4UdWgacaGLOaGaayzkaaGaeyyXICTaamOvamaabmaabaGaeq4UdWgacaGLOaGaayzkaaGaeyyXICTaaeizaiabeU7aSbWcbaGaaGimaaqaaiabg6HiLcqdcqGHRiI8aaGcbaWaa8qmaeaacqqHMoGrdaWgaaWcbaGaaeyzaiaabYcacqaH7oaBaeqaaOWaaeWaaeaacqaH7oaBaiaawIcacaGLPaaacqGHflY1caqGKbGaeq4UdWgaleaacaaIWaaabaGaeyOhIukaniabgUIiYdaaaOGaeyypa0ZaaSaaaeaacaWGlbaabaGaam4samaaBaaaleaacaqGTbaabeaaaaaaaa@646B@

unit : 1

Note 1 - For the spectral luminous efficiency, V( λ )= K( λ ) K m MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAfadaqadaqaaiabeU7aSbGaayjkaiaawMcaaiabg2da9maalaaabaGaam4samaabmaabaGaeq4UdWgacaGLOaGaayzkaaaabaGaam4samaaBaaaleaacaqGTbaabeaaaaaaaa@4077@ see 845-01-22.

Note 2 – For scotopic vision, the symbols in the formulae are replaced by V′, Φ′, K′ and Km respectively.


fr
efficacité lumineuse relative (d'un rayonnement) f
rapport du flux énergétique pondéré selon V(λ) au flux énergétique correspondant

V= 0 Φ e,λ ( λ )V( λ )dλ 0 Φ e,λ ( λ )dλ = K K m MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAfacqGH9aqpdaWcaaqaamaapedabaGaeuOPdy0aaSbaaSqaaiaabwgacaqGSaGaeq4UdWgabeaakmaabmaabaGaeq4UdWgacaGLOaGaayzkaaGaeyyXICTaamOvamaabmaabaGaeq4UdWgacaGLOaGaayzkaaGaeyyXICTaaeizaiabeU7aSbWcbaGaaGimaaqaaiabg6HiLcqdcqGHRiI8aaGcbaWaa8qmaeaacqqHMoGrdaWgaaWcbaGaaeyzaiaabYcacqaH7oaBaeqaaOWaaeWaaeaacqaH7oaBaiaawIcacaGLPaaacqGHflY1caqGKbGaeq4UdWgaleaacaaIWaaabaGaeyOhIukaniabgUIiYdaaaOGaeyypa0ZaaSaaaeaacaWGlbaabaGaam4samaaBaaaleaacaqGTbaabeaaaaaaaa@646B@

unité : 1

Note 1 – Pour l' efficacité lumineuse relative spectrale, V( λ )= K( λ ) K m MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadAfadaqadaqaaiabeU7aSbGaayjkaiaawMcaaiabg2da9maalaaabaGaam4samaabmaabaGaeq4UdWgacaGLOaGaayzkaaaabaGaam4samaaBaaaleaacaqGTbaabeaaaaaaaa@4077@ voir 845-01-22.

Note 2 – En vision scotopique, les symboles dans les formules sont remplacés par V′, Φ′, K′ et Km respectivement.


ar
فاعلية منيرية
فعالية ضيائية نسبية

de
visueller Nutzeffekt (einer Strahlung), m

es
eficiencia luminosa

fi
säteilyn suhteellinen valotehokkuus

it
fattore di visibilità

ko
발광 효율, 방사

ja
視感効率

no
nb lysvirkningsgrad

nn lysvirkningsgrad

pl
skuteczność świetlna promieniowania względna
skuteczność świetlna względna

pt
eficiência luminosa (de uma radiação)

sr
релативна светлосна искористивост , <зрачења> ж јд

sv
ljusverkningsgrad

Publication date: 1987
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