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http://dx.doi.org/10.5207/JIEIE.2003.17.6.007

Analysis of Window Transmittance Using Horizontal Blind by RADIANCE Program  

정근영 (세종대학교 건축공학부)
최안섭 (세종대학교 건축공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.6, 2003 , pp. 7-15 More about this Journal
Abstract
The purpose of this simulation study is to determine the window transmittance by RADIANCE lighting simulation tool where the horizontal blind is installed. Parameters such as sky types, seasonal changes, altitude, azimuth, and horizontal blind angle at a 0$^{\circ}$, 45$^{\circ}$, 90$^{\circ}$ were considered. The simulation results present that measured directional transmittances have different values according to each directional property of the horizontal blind. In addition, methodology was described to apply window transmittance data to DayDim program which is a lighting calculation and analysis tool especially for the performance of daylight responsive dimming systems.
Keywords
Window transmittance; Blind; RADIANCE; DayDim; Lighting simulation;
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