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Study on Comparative Analysis of Daylight Evaluation Tools for Building Environment  

Park, K.E. (Korea Institute of Energy Research)
Kim, J.T. (Department of Architectural Engineering, Kongju National University)
Publication Information
Journal of the Korean Solar Energy Society / v.22, no.4, 2002 , pp. 26-34 More about this Journal
Abstract
Daylighting in building is very important as it has an effect on work performance as well as on their visual health. It is also regarded as a good energy conservation measure in saving energy used for lighting. There are many daylighting evaluation tools such as empirical equations, tables, nomograms, diagrams, protractors, computer simulation, scale models. This study conducted initial daylight measurements to analyze luminous environment in classrooms of elementary school and comparative analysis on three daylighting evaluation tools, such as daylight factor calculation formula, the graphic method with BRE Protractor and computer simulation with Adeline 3.0. It is found that the computer simulation tool produced the closest result to actual measurements of luminous environment in elementary school classroom, and the other simplified tools made appropriate results so that they can be used in the early stage of daylighting design process.
Keywords
Daylighting; Daylight Factor; Adeline 3.0; BRE Protractor;
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