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http://dx.doi.org/10.3795/KSME-A.2012.36.1.009

Optical Analysis for Designing a Planar Solar Concentrator Based on Light Guide System  

Han, Jong-Ho (Dept. of Mechanical Engineering, Dankook Univ.)
Kim, Jong-Sun (Molds & Dies Technology Center, Korea Institute of Industrial Technology)
Hwang, Chul-Jin (Molds & Dies Technology Center, Korea Institute of Industrial Technology)
Yoon, Kyung-Hwan (Dept. of Mechanical Engineering, Dankook Univ.)
Kang, Jeong-Jin (Advanced Convergent Technology R&D Group, Korea Institute of Industrial Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.1, 2012 , pp. 9-16 More about this Journal
Abstract
Recently, an optics-based concentrator for solar concentration has been a key issue in development of photovoltaic systems. In the present study, a new, simple, easily producible planar concentrator based on a light guide system is proposed. In this device, solar light is concentrated by microprism optical patterns guiding the light, mainly through total reflection and refraction. The main design variables of the concentrator are the geometric concentration ratio ($R_c$) and the ${\Theta}_1$ and ${\Theta}_2$ of the microprism pattern. Ray tracing was simulated using commercial software, SPEOS, and the optical efficiencies of the light guide solar concentrator were predicted in each case. The predicted maximum optical efficiencies are 65.60%, 54.78%, and 46.78%, respectively, for $R_c$ values of 4, 5, and 6. The variation of the optical efficiencies according to ${\Theta}_1$, ${\Theta}_2$, and the incline angle of the incident light were predicted.
Keywords
Concentrator; Optical Analysis; Concentration Photovoltaic System; Solar Cell; Solar Energy;
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Times Cited By KSCI : 1  (Citation Analysis)
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