The technical performance of a nontracking hybrid PV/T concept that uses a wavelength selective film is modeled. The wavelength selective film is coupled with a compound parabolic concentrator (CPC) to reflect and concentrate the infrared portion of the solar spectrum onto a tubular absorber while transmitting the visible portion of the spectrum to an underlying thin-film photovoltaic module. The optical performance of the CPC/selective film is obtained through Monte Carlo ray tracing (MCRT). The CPC geometry is optimized for maximum total energy generation for a roof-top application. Applied to a roof-top in Phoenix, AZ, the hybrid PV/T provides 20% more energy compared with a system of the same area with independent side-by-side solar thermal and PV modules, but the increase is achieved at the expense of a decrease in the electrical efficiency from 8.8% to 5.8%.
Analysis of a Hybrid PV/T Concept Based on Wavelength Selective Mirror Films
Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received April 23, 2013; final manuscript received January 31, 2014; published online March 04, 2014. Assoc. Editor: Werner Platzer.
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Ulavi, T. U., Davidson, J. H., and Hebrink, T. (March 4, 2014). "Analysis of a Hybrid PV/T Concept Based on Wavelength Selective Mirror Films." ASME. J. Sol. Energy Eng. August 2014; 136(3): 031009. https://doi.org/10.1115/1.4026678
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