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Temperature Control for PV Panel Absorbing Heat by Phase Change Material and its Estimation  

Lee, Hyo-Jin (Dept. of Building Service Engineering, Hanbat National University)
Chun, Jong-Han (Division of Applied Chemistry, Hanbat National University)
Publication Information
Journal of the Korean Solar Energy Society / v.30, no.2, 2010 , pp. 10-15 More about this Journal
Abstract
The experimental study was conducted to optimize the system dissipating properly heat from the in-situ solar panel installed on the roof. For this purpose, six 12-Watt panels, which were consisted of the different design conditions such as containing phase change material(PCM), changing the array of the aluminum fin and honeycomb at the back of the panel, were tested. PCM, which had $44^{\circ}C$ melting point, was chosen in this study. In order to enhance absorbing and expelling heatin PCM, profiled aluminum fin was placed either inward oroutward from the panel. Furthermore, Aluminum honeycomb is imbedded in the back container to find if it would improve the thermal conductivity of PCM. During the experiment, there were ranged to $26^{\circ}C\sim32^{\circ}C$ for outdoor temperature and $700W/m^2\sim1000W/m^2$ for irradiance. As a result, the solar panel, combined with honeycomb and outward fins with PCM instead of placing the fins inward, is showing the best performance in terms of controling panel temperature and its efficiency.
Keywords
Phase Change Materials; Photovoltaic panel; Thermal Control; Efficiency reduction;
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