Deepakkumar Yadav
Definition related to Lighting (a) Radiant energy : The body which is at a higher temperature than its surrounding medium radiates out energy in to the medium. At low temperatures the radiation is in the form of heat waves, but when it becomes red-hot, it emits light waves in addition to heat waves. At about … Read more
Recommended Illuminance Levels for Various Tasks/Activities/ Locations (A) Recommendations on Illuminance : Scales of illuminance : The minimum illuminance for all non-working interiors, has been mentioned as 20 Lux (as per IS 3646) A factor of approximately 15 represents the smallest significant difference in subjective effect of illuminances. Therefore , the following scale … Read more
Flood lighting Application It means flooding large surfaces with light from powerful projector uses : Public places Ancient building. Monuments Religious places, building, churches, temple Festival occasions, etc. Gardens Forts Railway yards Sports stadium Car parks Construction sites Queries Industrial campus Commercial buildings. Advertising boards Show cases Hoardings Posters Exhibition
Factors for Designing the Schemes as a General Lighting (General Requirements) Area to be uniformly illuminated. Illumination level in LUX is to be decided. Shadows and glares to be pre-thought and how these can be avoided. Mounting height from the working plane and spacing between the lamps be decided. Space to height ratio is importance. … Read more
Illumination Level for Flood Lighting Areas Illumination in Lux Landscapes 50 – 150 Construction work 40 – 60 Excavation work 10 – 20 Parking 5 – 10 General campus lighting for watching 2 – 5 Quarries 20 – 25 Decorative and specular effects 100, 200 Sign boards advertising 100 – 300 Water tanks … Read more
Flood Lighting Q. State any four specific requirements of flood lighting. Meaning of Flood Lighting Its meaning is, copious artificial light projected many directions, eliminating all the shadows on the surface illuminated. Applications of Flood Lighting Flood lighting is used to illuminate various surfaces of various categories like (a) Aestetic (b) Industrial and … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more