Luminous flux definition

Luminous flux means the measure of the perceived power of
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Luminous flux means the light power emitted by a source, as defined by the International Commission on Illumination (CIE).
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Luminous flux means the light given by a light source or a luminaire or received by a surface irrespective of the directions in which it is distributed and the unit of the luminous flux is the lumen (lm);
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Examples of Luminous flux in a sentence

  • Luminous flux is a weighted average of the Radiant Flux in the visible spectrum.

  • Luminous flux or luminous power is the measure of the perceived power of light.

  • Luminous flux (lux) measurements have been made using ShowTech digital lux-meter MK2 with a resolution (0.01 lux).

  • Luminous flux (lumen) is the emission rate of light energy corrected for the standardized spectral response of human vision.

  • Luminous flux national standardWe have declared the Mexican National Standard for luminous flux for incandescent lamps.

  • Luminous flux values when rays directed from ultraviolet lamps to the soil According to Wien's law, the wavelength of the maximum radiation intensity is inversely proportional to the absolute temperature and is equal to 2900/T (T is absolute temperature).

  • In practice, it is easier to calculate straightaway the number of lamps or luminaires from: Nlamp Eav A d lamp Nluminaires Eav A d luminaires where lamp = Luminous flux of each lamp in lumens,luminaires= Luminous flux of each luminaire in lumens,Nlamp = Total number of lamps, andNluminaires = Total number of luminaires5A.3.2.2.4Arrangement of the luminaires This is done to achieve better uniformly distributed illumination.

  • Luminous flux emitted from a surface per unit solid angle per unit of area, projected onto a plane normal to the direction of propagation (Iv).

  • Definition and units of Luminosity, Luminous flux and Intensity of Illumination.

  • The Bank agrees to lend to the Borrower, on the terms and conditions set forth or referred to in the Loan Agreement, an amount equal to twenty million United States Dollars (US$20,000,000).


More Definitions of Luminous flux

Luminous flux. , which means a quantity derived from radiant flux (radiant power) by evaluating the radiation according to the spectral sensitivity of the human eye;
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Luminous flux. (Φ) means the quantity derived from radiant flux (radiant power) by evaluating the radiation in accordance with the spectral sensitivity of the human eye. Without further specification it refers to the initial luminous flux;
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Luminous flux means the power emitted from a source of electromagnetic radiation, such as a light bulb, in the form of visible light. Luminous flux is measured in lumens and is typically specified by the manufacturer for a given lamp or luminaire.
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Luminous flux means a quantitative expression of the brilliance of a source of visible light measured in lumens.
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Luminous flux means lumens generated by a lamp in rated voltage and stable operation, in lumens (lm);
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Luminous flux means the measure of the perceived power of the light in lumens.
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