luminous flux

[ˈluːmɪnəs flʌks]
nounpl: luminous fluxes
fluxo luminoso
1. The total amount of visible light energy emitted by a source per unit of time, measured in lumens (lm)
The luminous flux of the LED bulb is 800 lumens, making it suitable for a living room.
O fluxo luminoso da lâmpada LED é de 800 lúmens, tornando-a adequada para uma sala de estar.
2. A photometric measurement that quantifies the perceived power of light weighted by the human eye's sensitivity to different wavelengths
Engineers calculated the luminous flux required to properly illuminate the stadium.
Os engenheiros calcularam o fluxo luminoso necessário para iluminar adequadamente o estádio.
Luminous flux is a technical term primarily used in engineering, physics, and lighting design contexts in both Brazil and the USA. It is essential terminology for professionals in electrical engineering, architecture, and lighting industries. The term is standardized internationally through the International Commission on Illumination (CIE) and is used identically across English and Portuguese-speaking technical communities.
Synonyms / Sinônimos
luminous powerlight fluxvisible radiation

Regional Variations

General Brazilian
fluxo luminoso
Standard technical term used in lighting and physics contexts
Portugal
fluxo luminoso
Same technical terminology as Brazilian Portuguese
Technical/International
fluxo radiante visível
More formal or descriptive alternative in specialized contexts

Related Words

lumenilluminanceluminous intensityphotometrycandelalight output
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