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Influence of reflectance from flat aluminum concentrators on energy efficiency of PV/Thermal collector

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  • Kostic, Ljiljana T.
  • Pavlovic, Tomislav M.
  • Pavlovic, Zoran T.

Abstract

In this paper the results of the influence of reflectance from flat plate solar radiation concentrators made of Al sheet and Al foil on energy efficiency of PV/Thermal collector are presented. The total reflectance from concentrators made of Al sheet and Al foil is almost the same, but specular reflectance which is bigger in concentrators made of Al foil results in increase of solar radiation intensity concentration factor. With the increase of solar radiation intensity concentration factor, total daily thermal and electrical energy generated by PV/Thermal collector with concentrators increase. In this work also optimal position of solar radiation concentrators made of Al sheet and Al foil and appropriate thermal and electrical efficiency of PV/Thermal collector have been determined. Total energy generated by PV/Thermal collector with concentrators made of Al foil in optimal position is higher than total energy generated by PV/Thermal collector with concentrators made of Al sheet.

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  • Kostic, Ljiljana T. & Pavlovic, Tomislav M. & Pavlovic, Zoran T., 2010. "Influence of reflectance from flat aluminum concentrators on energy efficiency of PV/Thermal collector," Applied Energy, Elsevier, vol. 87(2), pages 410-416, February.
    • Handle: RePEc:eee:appene:v:87:y:2010:i:2:p:410-416
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