et

ruumiindeks

1

Terminological databases

Valgustehnika terminibaas

ID 645109 Last modified 24.09.2025
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Domain electric lighting
  • kasutusteguri ehk kasulikkuse arvutamisel kasutatud töötlustasandi ja valgustite tasandi pindalade summa ning töötlustasandi ja valgustite tasapinnaga piiratud seinte pindalade summa jagatis
  • quotient of the sum of the areas of the working plane and the plane of the luminaires and the sum of the area of the walls bounded by the working plane and the plane of the luminaires, used in the calculation of the utilization factor or utilance
    Good to know
    • The room index is expressed by the formula K=a b/h(a+b), where a and b are the dimensions of the sides of the room and h the mounting height, that is the distance between the working plane and the plane of the luminaires.
ruumiindeks
Usage examples
  • Ruumiindeksi nõutavad väärtused on olulised ruumisisese valgustuse kavandamisel ja need on toodud vastavates normdokumentides.
room index

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