Abstract
Water and refrigerant-based photovoltaic/thermal (PV/T) systems have substantial promise as sustainable energy solutions for commercial and residential buildings. Integrated photovoltaic and solar thermal systems outperform discrete systems in conversion efficiency and space utilization. There is a dearth of quantitative comparative studies on these systems despite their functional similarities. This study offers a comparative analysis of PV/T systems employing water and refrigerant as heat transfer fluids. Both systems are characterized by identical size and collector design. Prototypedevelopment, experimental research, and parametric assessments using computer models are used to attainthis target. Furthermore, the design of the PV/T collector in this research study involved the utilization of a double glass PV module instead of a tedlar back sheet PV module. Based on ambient conditions, refrigerant-based PV/T systems can reach a final water temperature of 7 °C to 14.9 °C higher than water-based systems. In low irradiance conditions, the refrigerant-based system generates hot water more reliably than the water-based system.
Published Version
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