Incandescent lamps - Printable Version

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Incandescent lamps - harshita - 06-05-2019

Incandescent lamps
The first incandescent lamp was in vented by Thoma Alva Edison in 1879 and comprise d carbon filaments instead of tungsten filaments. These lamps had an efficacy of 2.54 Im/W.
1.GLS (general lighting service) lamps
2.Halogen Lamps
GLS (general lighting service) lamps
GLS  lamps consist of a tungsten wire filament on a suitable mount structure enclosed in a glass bulb containing an inert gas or vacuum.
Bayonet cap Lamp

Halogen linear Lamp
In halogen lamps the bulb is filled with a halogen gas rather than nitrogen and argon. The halogen gas is either iodine or bromine, or in some cases a mixture of both. The bulb shape is tubular and its surface is closer to the hot filament


To know more about illumination read .... http://frontdesk.co.in/building-science/illumination-in-architecture/

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