Luminous intensity (I) is the ability to emit light into a given direction, or it is the luminous flux that is radiated by the light source in a given direction within the unit of the spatial angel. unit :-candela. I=Φ/Ω Ω = solid angle into which luminous flux is emitted Φ = Luminous flux I […]
Luminous flux
Luminous flux (Φ) is the quantity of the energy of the light emitted per second in all directions. Unit :- lumen (lm). Luminous flux is a measure of the total amount of visible light that is emitted by a light source in all directions. It is the measure of the perceived power of light, weighted […]
Illumination in architecture
Good illumination or lighting is necessary for all buildings and has three primary aims. Illumination can transform the night-time appearance of a building or landscape. The aesthetics, usability and desirability of a structure or place can be increased by good illumination design. Basic Terminology and Definitions In illumination, four main units are used to describe […]