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A Study on the Daylighting Transmittance Efficacies of Skylights by Calculating the Effective Transmittance of Light Well  

Kim, Chang-Sung (협성대학교 건축공학과)
Publication Information
KIEAE Journal / v.12, no.2, 2012 , pp. 53-58 More about this Journal
Abstract
Daylight is one of the most critical factors that can be utilized for architectural spaces; compared to artificial light, it is a sustainable energy source without the cost of electric energy and offers a more natural feeling to the visitors in the building. To make the space quality better, many architects have tried to predict daylight performance during the design process. The aim of this study is to evaluate the daylight transmittance efficacies of the five shapes - Flat, Pyramid, Dome, Barrel Vault. Ridge - of skylights. The results of this study indicated that the differences of transmittance efficiency among various skylights were less than 4.6% except the flat shaped skylight. Therefore, this study shows that there were no big differences of the daylight transmittance efficacies among the shapes of skylights.
Keywords
Daylight; Radiance; Skylight; Light Well; Effective Transmittance;
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