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Area Lighting / Emission, optical properties of materials

IEV ref 845-24-102

Symbol
R

en
coefficient of luminous intensity, <of a retroreflector>
quotient of the luminous intensity, I, of the retroreflector in the direction of observation and the illuminance, E MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWaamGadaGadeaabaGaaqaaaOqaaiaadweadaWgaaWcbaGaeyyPI4fabeaaaaa@37F5@ , at the retroreflector on a plane perpendicular to the direction of the incident light

R= I E MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadkfacqGH9aqpdaWcaaqaaiaadMeaaeaacaWGfbWaaSbaaSqaaiab gwQiEbqabaaaaaaa@3C7B@

Note 1 to entry: The coefficient of luminous intensity is expressed in candela per lux (cd·lx−1).

Note 2 to entry: This entry was numbered 845-04-96 in IEC 60050-845:1987.


fr
coefficient d'intensité lumineuse, <d'un rétroréflecteur> m
quotient de l'intensité lumineuse, I, du rétroréflecteur dans la direction d'observation, par l'éclairement, E MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWaamGadaGadeaabaGaaqaaaOqaaiaadweadaWgaaWcbaGaeyyPI4fabeaaaaa@37F5@ , d'un plan passant par le rétroréflecteur et perpendiculaire à la direction de la lumière incidente

R= I E MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadkfacqGH9aqpdaWcaaqaaiaadMeaaeaacaWGfbWaaSbaaSqaaiab gwQiEbqabaaaaaaa@3C7B@

Note 1 à l'article: Le coefficient d'intensité lumineuse est exprimé en candela par lux (cd·lx−1).

Note 2 à l'article: Cet article était numéroté 845-04-96 dans l'IEC 60050-845:1987.


ar
معامل شدة الإستضاءة, < لعاكس ارتجاعي >

de
Rückstrahlwert, <eines Retroreflektors> m

it
coefficiente di intensità luminosa, <di un retroriflettore>

ko
발광 강도 계수, <역반사체>

ja
光度係数, <再帰性反射体の>

pl
współczynnik odblasku, m

pt
coeficiente de intensidade luminosa, <de um retrorrefletor>

zh
光强系数, <逆反射器的>
光强度系数, <逆反射器的>
发光强度系数, <逆反射器的>

Publication date: 2020-12
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