Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
권호 표지

A Study on the Computer Simulation Estimate of Light Shelf Using Lightscape

Lightscape를 이용한 광선반의 시뮬레이션 평가 연구

  • Cho, Yil-Sik (Korea Institute of Energy Research) ;
  • Kim, Ki-Se (Korea Institute of Energy Research) ;
  • Yoon, Jong-Ho (Dep. of Architectural Engineering, Hanbat National University) ;
  • Lee, Jin-Sook (Dep. of Architectural Engineering, Chungnam National University)
  • Published : 2003.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

One of the promising optical daylighting systems is light shelf type daylighting system, Two types of lighting performance analysis methods are 1) Ray-Tracing method and 2) Radiosity method. The purpose of this paper is to compare two methods in terms of advantages and disadvantages by further looking at the detail algorithm. Also. model verification with Lightscape simulations has been conducted. Effectiveness of light penetration factor in terms of daylighting factor has been investigated and quantified. In summer time. the performance of the light shelf was twice better than the case without it.

Keywords

References

  1. Beltran, L.O., E.S. Lee, S.E. Selkowitz. Advanced Optical Daylighting Systems : Light Shelves and Light Pipes, Journal of the Illuminating Engineering Society 26 (2), 1997, pp.91-106 https://doi.org/10.1080/00994480.1997.10748194
  2. DiBartolomeo, D.L., E.S. Lee. F.M. Ru-binstein, S.E. Selkowitz. Developing a Dynamic Envelope/Lighting Control Systerm with Field Measurements, Journal of the Illuminating Engineering Society 26 (1) 1997, pp. 146-164 https://doi.org/10.1080/00994480.1997.10748175
  3. Lee, E.S., L.O. Beltran, S.E. Selkowitz H. Lau, G.D. Ander. Demonstration of a Light Redirecting Skylight System at the Palm Springs Chamber of Commerce, In Proceedings of the ACEEE 1996 Summer Study on Energy Efficiency in Buildings, Washington, D.G. American, 1996, pp. 229-241
  4. Floyd, D. and Parker, D. Field Commissioning of a Daylight-Dimming Lighting System, Proceedings of the 3rd European Conference on Energy-Efficient Lighting, Newcastle Upon Tyne, United Kingdom, 1995
  5. Klems, J.H., M. Yazdanian, G. Kelley, D. DiBartolomeo, E.S. Lee, S. Selkowitz, Heat Flow Measurements of an Integrated Venetian Blind and Electric Lighting System using the Mobile Window Thermal Test (MoWiTT) Facility, Working information (January 1994) for the multiyear project Envelope and Lighting Technology to Reduce Electhc Demand Phase II, California Institute for Energy Efficiency (CIEE), 1994
  6. 윤종호, '태양열 건물의 기술현황 및 보급사례' 설비공조냉동위생, 한국설비기술협회, vol 17 No 9 2000