A STUDY OF LIGHTING CALCULATION METHOD AND LIGHTING ENVIRONMENT ANALYSIS IN A DOME WITH RETRACTABLE ROOF

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Publication year 1989
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Title A STUDY OF LIGHTING CALCULATION METHOD AND LIGHTING ENVIRONMENT ANALYSIS IN A DOME WITH RETRACTABLE ROOF
Author Kunio HATSUURA,Yoshiaki UETANI,Tomoko IWATA,Taisei HORI,Mitsuru SAITO
Summary We have to predict exactly the distribution of illuminance or luminance which is contributed by daylighting and artificial lighting in order to design optimum lighting environment for players and guests in a dome with retractable roof. However it is very difficult to calculate realistically the daylight distribution in this dome. Then this paper shows a new daylight calculation method using cloud ratio to indicate the characteristics of some sky conditions. Finally using the computer program which utilizes this method. the visibility of a flying baseball in a model dome is analyzed by calculating the luminance contrast.