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4면형 아트리움의 형태와 천창 투과율에 따른 아트리움 공간의 자연채광 성능 평가
이중건(Joong-Keon Lee),이주윤(Ju-Yun Lee),송규동(Kyoo-Dong Song) 한국생활환경학회 2011 한국생활환경학회지 Vol.18 No.2
In modern buildings atrium spaces with large skylights usually work as visual channels to outside and daylight admitting systems to improve visual comfort of the buildings. However, the atrium spaces designed without proper consideration of daylight performance may cause insufficient or excessive illuminance levels and increased glare potential. This study aims to suggest daylighting design data for four-sided atrium spaces by performing dynamic simulations using Daysim program for various atruim design variables such as PAR (Plan Aspect Ratio), SAR (Section Aspect Ratio) and transmittance of skylight. For the dynamic daylight simulation, the weather data of Incheon, Korea provided by EnergyPlus program was used. A total of 48 cases were anayzed in terms of Daylight Factor (DF), Daylight Autonomy (DA) and Useful Daylight Illuminance (UDI). Finally, proper transmittances of skylight to maintain recommended illuminance were suggested for the atrium spaces of different PARs.