Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Development of Tracking Daylighting System Using Multi-Parabolic Reflector

다중 파라볼릭 반사경 방식을 이용한 추적식 집광시스템 개발

  • Lee, Chung-Sik (Research Institute of Technology, ABM GreenTech Co., Ltd.) ;
  • Kim, Jong-Min (Research Institute of Technology, ABM GreenTech Co., Ltd.) ;
  • Park, Yeon-Min (Research Institute of Technology, ABM GreenTech Co., Ltd.) ;
  • Sung, Tae-Kyung (Research Institute of Technology, ABM GreenTech Co., Ltd.) ;
  • Joung, Che-Bong (Korean Institute of Industrial Technology Human Resource Support for SMEs Center) ;
  • Kang, Seung-Hoon (Research Institute of Technology, Hanhwa Engineering&Construction Co., Ltd.) ;
  • Kim, Byung-Chul (Research Institute of Technology, ABM GreenTech Co., Ltd.)
  • Received : 2013.01.16
  • Accepted : 2013.04.25
  • Published : 2013.04.30
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Abstract

Daylighting system is an alternative lighting system using daylight collecting device, light transformer and light diffuser. In this paper, we developed a daylighting system in which the collecting device composed by dual parabolic reflectors, the silica optical fiber adapted to the light transformer and light diffuser made of the polyglass square sheet. We have estimated the system efficiency and general color rendering index(Ra) of the developed system. The system efficiency measured to 23.8% and Ra was revealed as 95. Ra number of the developed system is bigger than the number(65) of the previous fresnel lens based sunlight collector.

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References

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