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Area Lighting / Emission, optical properties of materials

IEV ref 845-24-125

Symbol
Dv

en
effective visual density
effective luminous density
logarithm to base 10 of the quotient of the luminance of the adopted white of a scene or original, Yadopted white, and the luminance of a measured area of the scene or original, Ymeasured area

D v = log 10 Y adoptedwhite Y measuredarea MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadseadaWgaaWcbaaccaGaa8NDaaqabaGccqGH9aqpjaaqcaqGSbGa ae4BaiaabEgakmaaBaaaleaacaaIXaGaaGimaaqabaGcdaWcaaqaai aadMfadaWgaaWcbaGaaeyyaiaabsgacaqGVbGaaeiCaiaabshacaqG LbGaaeizaiaaykW7caaMc8Uaae4DaiaabIgacaqGPbGaaeiDaiaabw gaaeqaaaGcbaGaamywamaaBaaaleaacaqGTbGaaeyzaiaabggacaqG ZbGaaeyDaiaabkhacaqGLbGaaeizaiaaykW7caaMc8Uaaeyyaiaabk hacaqGLbGaaeyyaaqabaaaaaaa@5D7C@

Note 1 to entry: The effective visual density has unit one.


fr
densité visuelle effective, f
densité lumineuse effective, f
logarithme décimal du quotient de la luminance du blanc adopté d'un site ou d'un point d'origine, Yblanc adopté, par la luminance d'une surface mesurée du site ou du point d'origine, Ysurface mesurée

D v = log 10 Y blanc adopté Y surface mesurée MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadseadaWgaaWcbaaccaGaa8NDaaqabaGccqGH9aqpjaaqcaqGSbGa ae4BaiaabEgakmaaBaaaleaacaaIXaGaaGimaaqabaGcdaWcaaqaai aadMfadaWgaaWcbaGaaeyyaiaabsgacaqGVbGaaeiCaiaabshacaqG LbGaaeizaiaaykW7caaMc8Uaae4DaiaabIgacaqGPbGaaeiDaiaabw gaaeqaaaGcbaGaamywamaaBaaaleaacaqGTbGaaeyzaiaabggacaqG ZbGaaeyDaiaabkhacaqGLbGaaeizaiaaykW7caaMc8Uaaeyyaiaabk hacaqGLbGaaeyyaaqabaaaaaaa@5D7C@

Note 1 à l'article: L'unité de densité visuelle effective est un.


ar
كثافة رؤية فعاله
كثافة اضاءة فعالة

de
effektive visuelle Dichte, f

it
densità visiva effettiva
densità luminosa effettiva

ko
효율 가시 밀도

ja
実効視覚濃度

pl
gęstość świetlna skuteczna, f

pt
densidade visual efetiva
densidade luminosa efetiva

zh
有效视觉密度
有效光密度

Publication date: 2020-12
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