How To Use luminous flux In A Sentence
- That part of a luminaire designed to reflect the luminous flux of the lamps in required directions by means of specular reflection.
- The diaphragm device adjusts an exposure time by controlling incident luminous flux to the photographing element and an electric charge storage time of the photographing element.
- Since the rated luminous flux is greater than the calculated one, it derives for the illuminance in point P: for high-pressure mercury vapour illumination 128 lx and for high-pressure sodium vapour illumination 139 lx 3. Calculation of Illuminance
- First, a technical point, Lux is a measure of illuminance, or luminous fLux per unit area, and so the corresponding quantity would be irradiance, or Watts per square meter.
- It is also possible to proceed this way: Calculation from a given arrangement of illuminators and the given luminous flux per illuminator taking into consideration the light distribution of the illuminators the illuminance, for instance at a certain point of the working area. 3. Calculation of Illuminance
- This paper described the principle, apparatus and correction methods of a new method of realizing the total luminous flux scale by using integrating sphere. The results are also presented.
- Geminga might be one of the best understood isolated neutron stars that we have found, but it has the same luminous flux as a candle on the Moon, which means that it will test these new telescopes to the limit.
- Commercially available units have broken the killer 100 lumens per Watt (lm/W) luminous efficacy barrier (the "lumen" is the standard unit of luminous flux-useful light output-while "efficacy" is the ratio of light output to power and measures the efficiency of the bulb). Ars Technica
- Characterzation: high quality quartz bulb, biplanar filament which enables increased illumination, uniform color temperature and luminous flux.