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Energies
Volume 12
Issue 21
10.3390/en12214097
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Article

Photovoltaic Roof Tiles: The Influence of Heat Recovery on Overall Performance

by
Jan Wajs
*,
Aleksandra Golabek
and
Roksana Bochniak
Faculty of Mechanical Engineering, Department of Energy and Industrial Apparatus, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
*
Author to whom correspondence should be addressed.
Energies 2019, 12(21), 4097; https://doi.org/10.3390/en12214097
Submission received: 18 July 2019 / Revised: 23 October 2019 / Accepted: 24 October 2019 / Published: 27 October 2019
(This article belongs to the Section A2: Solar Energy and Photovoltaic Systems)
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Abstract

A photovoltaic (PV) roof tile serves both as a roofing material and as an electricity-producing surface. The main aim of the present study was to increase the overall system efficiency of PV tiles by using heat recovery. The chosen strategy was two-fold: determine the operational efficiency of PV tiles and optimize construction to increase the cooling effect when using air as the working medium. A detailed experimental study was undertaken to determine these effects. The results indicated that a combined electrical and thermal efficiency of 24% could be reached. This is promising and proves the potential for air to be the working medium in such systems. Moreover, this shows a direction for future system optimization.
Keywords: photovoltaic (PV) roof tiles; heat recovery; efficiency performance of electricity generation; experimental study; solar light simulator photovoltaic (PV) roof tiles; heat recovery; efficiency performance of electricity generation; experimental study; solar light simulator

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MDPI and ACS Style

Wajs, J.; Golabek, A.; Bochniak, R. Photovoltaic Roof Tiles: The Influence of Heat Recovery on Overall Performance. Energies 2019, 12, 4097. https://doi.org/10.3390/en12214097

AMA Style

Wajs J, Golabek A, Bochniak R. Photovoltaic Roof Tiles: The Influence of Heat Recovery on Overall Performance. Energies. 2019; 12(21):4097. https://doi.org/10.3390/en12214097

Chicago/Turabian Style

Wajs, Jan, Aleksandra Golabek, and Roksana Bochniak. 2019. "Photovoltaic Roof Tiles: The Influence of Heat Recovery on Overall Performance" Energies 12, no. 21: 4097. https://doi.org/10.3390/en12214097

APA Style

Wajs, J., Golabek, A., & Bochniak, R. (2019). Photovoltaic Roof Tiles: The Influence of Heat Recovery on Overall Performance. Energies, 12(21), 4097. https://doi.org/10.3390/en12214097

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