Light tubes :-
Left:- Light Tubes Right:- Tubular day lighting devices harvest sunlight and transmit it through a highly reflective tube into
an interior space at the ceiling level.
´Another type of device used is the light tube, also
called a tubular day lighting device (TDD).
´Which is placed into
a roof and admits light to a focused area of the interior.
Left:- Light Tubes Right:- Tubular day lighting devices harvest sunlight and transmit it through a highly reflective tube into
an interior space at the ceiling level.
´They do not allow as much heat transfer as skylights
because they have less surface area.
´TDDs use modern technology to transmit visible light
through opaque walls and roofs.
´The tube itself is a passive component consisting of
either a simple reflective interior coating or a light conducting fiber optic
bundle.
´It is frequently capped with a transparent,
roof-mounted dome "light collector" and terminated with a diffuser
assembly that admits the daylight into interior spaces and distributes the
available light energy evenly.
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