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ROUSSEAU DIAGRAM [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 1985-11-01

English

Subject field(s)
  • Illumination Engineering
DEF

Graphical construction by means of which the luminous flux and the mean spherical luminous intensity of a (point-) source with an axis of symmetry may be calculated from a knowledge of the luminous intensity in a certain number of directions in a meridian plane. The co-ordinates in one direction are proportional to luminous intensities, in the other direction to solid angles.

French

Domaine(s)
  • Éclairagisme
DEF

Représentation graphique à l'aide de laquelle on peut calculer le flux lumineux et l'intensité sphérique moyenne d'une source (ponctuelle) à symétrie axiale, en connaissant l'intensité lumineuse dans un certain nombre de directions d'un plan méridien. Les coordonnées sont proportionnelles dans une direction aux intensités lumineuses et dans l'autre aux angles solides.

Spanish

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