Effect of fluid flow and packing factor on energy performance of a wall-mounted hybrid photovoltaic/water-heating collector system |
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| Affiliation: | 1. Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230027, China;2. Division of Building Science & Technology, City University of Hong Kong, Hong Kong SAR, China;1. Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230026, China;2. Department of Chemistry, Imperial College, London SW7 2AZ, UK;3. School of Engineering, University of Hull, Hull HU6 7RX, UK;1. Department of Civil, Structural and Environmental Engineering, Trinity College Dublin, University of Dublin, Dublin 2, Ireland;2. Dublin Energy Lab., Dublin Institute of Technology, Grangegorman, Dublin 7, Ireland;1. ETTE, FSTT, Abdelmalek Essaâdi University, Tetouan, Morocco;2. Renewable Energy and Advanced Materials Laboratory, International University of Rabat, Salé, Morocco;1. Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;2. Department of Energy, Quchan University of Technology, Quchan, Iran |
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| Abstract: | Façade-integrated photovoltaic/thermal (BiPV/T) technology is a relatively new concept in improving the overall energy performance of PV installations in buildings. With the use of wall-mounted water-type PV/T collectors, the system not only generates electricity and hot water simultaneously, but also improves the thermal insulation of the building envelope. A numerical model of this hybrid system was developed by modifying the Hottel–Whillier model, which was originally for the thermal analysis of flat-plate solar thermal collectors. Computer simulation was performed to analyze the system performance. The combined effects of the solar cell packing factor and the water mass flow rate on the thermal and electrical efficiencies were investigated. The simulation results indicated that an optimum water mass flow rate existed in the system through which the desirable integrated energy performance can be achieved. |
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