| Title |
Tracepro Simulation Design and Evaluation for the Double Blind Light Pipe Daylighting System |
| Authors |
강은철(Eun-Chul Kang) ; 이의준(Euy-Joon Lee) ; 유성연(Seong-Yeon Yo) |
| DOI |
http://dx.doi.org/10.6110/KJACR.2012.24.6.515 |
| Keywords |
이중블라인드 ; 광파이프 ; 채광 ; 집광부 ; 전송부 ; 산광부 Double blind ; Light pipe ; Daylighting ; Light collector ; Light transformer ; Light distributor ; |
| Abstract |
A daylighting system includes three parts; light collector, light transformer and light distributor. A DBLP(Double blind light pipe) daylighting system consists of a double blind light collector, a mirror duct type light transformer and a prism film light pipe distributor. The double blinds for a light collection are used to track the sun’s altitude and azimuth movements throughout the day. Behind both sets of blinds is the light transformer, which is based on a rectangular cone shaped light duct. The light transformer was designed to efficiently deliver the light into the light pipe within a 30 degree radial spread for the efficient light into the distributor. In this study, DBLP system efficiency was simulated, evaluated and optimized by Tracepro as a popular ray trace light design simulation program. The results indicated that DBLP system efficiency evaluated a maximum 22.4% in case of Spring/Fall season solar noon time. While the overall average system efficiency in the morning and afternoon is evaluated about 10%. |