Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 78, Issue -, Pages 641-651Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2013.11.017
Keywords
Electrical performance; Thermal performance; Photovoltaic thermal (PVT); PVT performance; Primary-energy saving efficiency
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Funding
- Ministry of Science, Technology, and Innovation Malaysia [03-01-02-SF0039]
- Solar Energy Research Institute (SERI), Universiti Kebangsaan Malaysia
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The electrical and thermal performances of photovoltaic thermal (PVT) water collectors were determined under 500-800 W/m(2) solar radiation levels. At each solar radiation level, mass flow rates ranging from 0.011 kg/s to 0.041 kg/s were introduced. The PVT collectors were tested with respect to PV efficiency, thermal efficiency, and a combination of both (PVT efficiency). The results show that the spiral flow absorber exhibited the highest performance at a solar radiation level of 800 W/m2 and mass flow rate of 0.041 kg/s. This absorber produced a PVT efficiency of 68.4%, a PV efficiency of 13.8%, and a thermal efficiency of 54.6%. It also produced a primary-energy saving efficiency ranging from 79% to 91% at a mass flow rate of 0.011-0.041 kg/s. (C) 2013 Elsevier Ltd. All rights reserved.
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