Energy and exergy analyses of Photovoltaic/Thermal flat transpired collectors: Experimental and theoretical study

Maysam Gholampour and Mehran Ameri

Applied Energy, 2016, vol. 164, issue C, 837-856

Abstract: PV/Thermal flat transpired plate is a kind of air-based hybrid Photovoltaic/Thermal (PV/T) system concurrently producing both thermal and electrical energy. In order to develop a predictive model, validate, and investigate the PV/Thermal flat transpired plate capabilities, a prototype was fabricated and tested under outdoor conditions at Shahid Bahonar University of Kerman in Kerman, Iran. In order to develop a mathematical model, correlations for Nusselt numbers for PV panel and transpired plate were derived using CFD technique. Good agreement was obtained between measured and simulated values, with the maximum relative root mean square percent deviation (RMSE) being 9.13% and minimum correlation coefficient (R-squared) 0.92. Based on the critical radiation level defined in terms of the actual exergy gain, it was found that with proper fan and MPPT devices, there is no concern about the critical radiation level. To provide a guideline for designers, using equivalent thermal efficiency as an appropriate tool, optimum values for suction velocity and PV coverage percent under different conditions were obtained.

Keywords: Photovoltaic/Thermal flat transpired collectors; Electrical-to-thermal ratio number; Energy efficiency; Exergy efficiency (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (19)

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DOI: 10.1016/j.apenergy.2015.12.042

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