CONCEPT OF DAY LIGHTING
u Day lighting has long been recognized as a potential
energy-efficient design strategy for buildings. Natural light can help reduce the electrical demand and the
associated sensible cooling load due to artificial lighting
u The shading effects due to nearby obstructions when day lighting
schemes are being employed.
u Regression techniques were conducted to correlate the
building energy savings and the angles of obstructions.
u The shading effects due to nearby obstructions strongly
affect the building
energy budget when
day lighting designs are used.
u Building designers should critically consider the external environment in order to achieve energy-efficient
building designs.
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