LUMINOUS EFFICIENCY STUDY IN RESIDENTIAL BUILDINGS UNDER SEMI-ARID CLIMATE. CASE OF THE CITY OF BATNA.

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MEKAOUSSI Nadia, Pre. ROUAG SAFFIDINE Djamila

Abstract

With a view to greater energy efficiency, natural lighting should be used to facilitate the execution of visual tasks while ensuring the general well-being of the occupants of the space.Indeed, an illuminance level that complies with standards (or recommended values) allows good productivity through good visual performance [1]. In the concept of sustainable lighting, it is obvious that daylighting allows less use of electric lighting and therefore, greater energy saving [2].

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