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LUMINANCE COEFFICIENT UNDER DIFFUSE ILLUMINATION [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-11-30

English

Subject field(s)
  • Highway and Street Lighting
DEF

The ratio of the luminance of a field to the illuminance of the plane of that field, for a diffuse illumination and an observation direction forming a grazing angle with the road surface.

OBS

luminance coefficient under diffuse illumination: term and definition proposed by the World Road Association.

French

Domaine(s)
  • Éclairage des voies de circulation
DEF

Rapport de la luminance d'un champ et de l'éclairement du plan de ce champ, pour un éclairage diffus et une direction d'observation formant un angle rasant avec la surface de la chaussée.

OBS

coefficient de luminance en éclairage diffus : terme et définition proposés par l'Association mondiale de la route.

Spanish

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