What is Day lighting ?
´ Day lighting is the practice of placing windows or other openings and reflective surfaces so that during the day natural light provides effective internal lighting.
´ Day lighting is the practice of placing windows or other openings and reflective surfaces so that during the day natural light provides effective internal lighting.
´Particular attention is given to day lighting while
designing a building when the aim is to maximize visual comfort or to reduce energy use.
´Energy savings can be achieved from the reduced use of
artificial electric
lighting.
´Artificial
lighting energy use can be reduced by simply installing fewer electric lights
because daylight is present, or by dimming/switching electric lights
automatically in response to the presence of daylight, a process known as
daylight harvesting.
´The source of
all daylight is the sun. The proportion of direct to diffuse light impacts the
amount and quality of daylight.
´Solar
radiation that reaches a site without being scattered within the earth’s
atmosphere is called direct sunlight. In contrast, light that is scattered in
the atmosphere is referred to as diffused daylight.
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