Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Daylighting Performance of Topside Lighting Systems for Different Orientations

방위에 따른 정측창 시스템의 채광성능 평가

  • Kong, Hyo-Joo (Dept. of Architectural Engineering, Kyung Hee University) ;
  • Lee, Jin-Seoung (Dept. of Architectural Engineering, Kyung Hee University) ;
  • Ahn, Hyun-Tae (Dept. of Architectural Engineering, Kyung Hee University) ;
  • Kim, Jeong-Tai (Dept. of Architectural Engineering, Kyung Hee Universiyy)
  • Published : 2009.02.28
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Abstract

Daylighting is core of sustainable design in most buildings. Well-designed daylighting systems can significantly reduce or even eliminate the electric lighting loads during the day time, including air conditioning energy loads. Among window systems. the topside lights systems including monitor lighting, sawtooth lighting, sunscoop and, lightscoop is one of the most popular apparatus to improve the lighting quantity. Also they are important both in terms of energy savings and visual quality. The objective of this study is to analyse daylighting performance of topside lighting system for different orientations. Four types of topside lighting system were tested and comparpd: monitor lighting, sawtooth lighting, lightscoop and sunscoop. Totally 25 measuring points of illuminance on the horizontal plane were monitored from 09:00 to 17:00 on October 6, 2008. Agilent data logger and photometric sensors Li-cor were used. Comparisons with a light factor is discussed. The results found in this study would mean that there were no significant differences in light factor between three cases.

Keywords

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