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Light output ratio
| Глоссарий по архитектуре и конструкциям |
The ratio of the light output of a lighting fixture to the total light output of the individual lamp it houses.
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Individual, английский
Физическое лицо
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Luminance factor, английский
- The ratio of the luminance of a surface or medium under specified conditions of incidence, observation, and light source to the luminance of a lossless, perfectly diffusing surface or medium under the same conditions. luminance meter, brightness meter a visual instrument or a photoelectric instrument used to measure luminance.
- Коэффициент яркости
Sky factor, английский
The ratio of the illumination on a horizontal plane at a given point inside a building due to the light received directly from the sky, to the illumination due to an unobstructed hemisphere of sky of uniform luminance equal to that of the visible sky.
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