Technological Systems Used in Integrating Natural and Artificial Lighting in Administrative Buildings to Achieve Global Sustainable Lighting Strategies

Document Type : Original Article

Authors

1 Architecture Department, Faculty of Engineering, Zagazig University, Zagazig, Egypt

2 Architecture Department, Higher Institute of Engineering, EL Sherouk Academy, Cairo, Egypt

Abstract

This paper displays the sustainable lighting systems used globally in administrative buildings to achieve visual comfort and reduce energy consumption. The main issue lies in the absence of declared sustainable strategies integrating natural and artificial lighting, coupled with a shortage of studies addressing the evolution of these strategies over time. The paper aims to trace the development of sustainable lighting design strategies in administrative buildings to support future research and build a clear framework. This is achieved by presenting a range of techniques and technological systems, including building envelope design systems to enhance natural lighting utilization, light enhancement systems within spaces to increase visual effectiveness, light polarization systems to improve natural light distribution, appropriate artificial lighting systems to effectively meet lighting needs, and lighting unit control systems to reduce energy consumption. The benefits of using these strategies are evaluated through the study of their application in global projects that have received LEED or BREEAM ratings, with the aim of deriving strategies for integrating natural and artificial lighting to achieve sustainable lighting in administrative buildings and guide the design of lighting in future administrative buildings to increase their energy efficiency while ensuring visual comfort.

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