The geometrical relationship between the window and the internal area of a room as an indicator for internal illuminance

(Khaled Askar Shaibani)

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Abstract

This study deals with the use of natural light as a design element in buildings and the need for standards and guidelines for the design of appropriate daylighting systems in Saudi Arabia. The study proposes a new tool that takes into account the geometrical relationship between the window area and the floor area of a room as a preliminary indicator for internal illuminance due to natural light. This tool was based on mathematical study for daylight data for the Dammam area in Saudi Arabia, and it takes into account several variables including the room geometry and characteristics as well as the window area.
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