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이을영(Lee, Euol-Young),성태경(Sung, Tae-Kyung),김병철(Kim, Byung-Chul),정채봉(Joung, Che-Bong) 한국태양에너지학회 2013 한국태양에너지학회 학술대회논문집 Vol.2013 No.11
In this paper the skylight panel of double glazing structure is developed for large space. A double glazing structure was selected for the shape of the skylight panel. The result of optical simulation that consists of 3-D modeling and ray tracing was applied to the pattern adopted in the sky light panel. And new type of molds was designed for making double glazing structure. The pattern of bending point and the condition of exterior molding were suitable for design criteria in analysis of the skylight panel structure, But, the structure was easily damaged by external impact because of the stiffness of material and imperfection of mold condition.
이충식(Lee, Chung-Sik),박연민(Park, Yeon-Min),오동현(Oh, Dong-Hyun),이을영,성태경(Sung, Tae-Kyung),정채봉(Joung, Che-Bong),김병철(Kim, Byung-Chul) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
In this papers, we analyzed the performance evaluation for Multi face primatic Daylighting System. For this research, we conducted optical simulations using Lighting Tools Program for 12 models under various conditions. We selected 2 type models on the simulation results. And we compared model Ⅰ(azimuth tracking model)"s field test result with simulation result. Results show that system efficiency of the tracking system is higher 18.5% than the passive. This means that if the performance ratio of the passive model is assuming 100%, it is similar to simulation"s result 113%.
성태경(Sung Tae-Kyung),이충식(Lee Chung-Sik),이을영(Lee Eul-Young),박연민(Park Yeon-Min),정채봉(Joung Che-Bong),김병철(Kim Byung-Chul) 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.3
This thesis introduced an azimuth tracking prismatic day lighting system. The system improved several issues of the previous passive prismatic daylighting system: low efficiency at sunrise and sunset, glare effect and polarized. The system was developed to track the movement of sun with azimuth tracking device, and it has its own power from the attached solar cells. We compared the with previous passive one in terms with system efficiency and daylighting factors(DF).
성태경(Sung Tae-Kyung),박연민(Park Yeon-Min),김종민(Kim Joung-Min),이충식(Lee Chung-Sik),이을영(Lee Euol-Young),정채봉(Joung Che-Bong),김병철(Kim Byung-Chul) 한국태양에너지학회 2015 한국태양에너지학회 논문집 Vol.35 No.5
Whereas recent domestic buildings and industrial facilities are being constructed as large as possible, the daylighting systems for the large space have rarely been developed. Domestic situation has been reported as only several small or medium sized daylighting systems have been developed, and the large scaled systems have entirely being imported from abroad. We have developed a large scaled daylighting system for the big space. The developed system have been evaluated in terms of the average system efficiency and daylighting factor. Each results are shown with tabulated experimental data.