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Air Flow Effect on the Temperature of a Building Integrated PV-Panel
Published in 2013
This study examines the effect of air flow between the building integrated PV-panel and the wall. To formulate the heat exchange process for the air flowing between the PV panel and the wall, time-dependent, heat transfer partial differential equations (PDEs) are solved with COMSOL Multiphysics®. It is shown that in summer, the maximum temperature of a PV panel is observed on an east facing surface. The air velocity in the air-gap between the PV-panel and the wall lowers the mean temperature of the panel by about 35°C allowing for a significant increase in its efficiency. Finally the air-gap width is varied, keeping a steady velocity, and its effect is studied with respect to the temperature of the PV-panel.
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