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ANGLES RUSSELL [1 record]

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Alphabetical list of terms

Record 1 1985-11-01

English

Subject field(s)
  • Illumination Engineering
DEF

Series of angles defining coaxial zones of equal area on a sphere in such a way that the determination of total luminous flux from the intensity distribution curve is reduced to the calculation of the arithmetic mean of the intensities at these angles, the intensity at each angle being the average for that angle in the several meridian planes.

Key term(s)
  • Russell angle

French

Domaine(s)
  • Éclairagisme
DEF

Série d'angles choisis permettant de définir sur une sphère des zones coaxiales d'aires égales, de sorte que l'intégration conduisant au flux lumineux à partir de la répartition angulaire de l'intensité lumineuse se réduise au calcul de la moyenne arithmétique des intensités aux angles choisis, l'intensité à chaque angle étant elle-même la moyenne des intensités dans les divers plans méridiens.

Key term(s)
  • angle de Russell

Spanish

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