luminous flux calculation
[ˈluːmɪnəs flʌks ˌkælkjuˈleɪʃən]
nounpl: luminous flux calculations
cálculo de fluxo luminoso
1. The mathematical process of determining the total quantity of visible light emitted by a source, measured in lumens, based on the luminous intensity and solid angle
The luminous flux calculation for the LED bulb showed it produces 800 lumens of light output.
O cálculo de fluxo luminoso para a lâmpada LED mostrou que ela produz 800 lúmens de saída de luz.
2. The technical procedure used in photometry to quantify the perceived brightness of light from any source
Engineers performed luminous flux calculation to ensure the street lighting met safety standards.
Os engenheiros realizaram o cálculo de fluxo luminoso para garantir que a iluminação pública atendesse aos padrões de segurança.
This term is primarily used in technical, engineering, and scientific contexts in both Brazil and Portugal. It gained prominence with the shift to LED lighting technology and energy efficiency standards. In Brazil, it is commonly referenced in architectural lighting design, industrial safety regulations, and energy efficiency certifications (INMETRO standards). The terminology follows international photometric standards established by the CIE (International Commission on Illumination).
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