Performance analysis of photovoltaic thermal (PVT) water collectors

The electrical and thermal performances of photovoltaic thermal (PVT) water collectors were determined under 500-800 W/m2 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 ef...

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Bibliographic Details
Published in:Energy conversion and management 2014-02, Vol.78, p.641-651
Main Authors: FUDHOLI, Ahmad, SOPIAN, Kamaruzzaman, YAZDI, Mohammad H, MOHD HAFIDZ RUSLAN, IBRAHIM, Adnan, KAZEM, Hussein A
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Equipments, installations and applications
Exact sciences and technology
Natural energy
Photovoltaic conversion
Solar energy
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Summary:The electrical and thermal performances of photovoltaic thermal (PVT) water collectors were determined under 500-800 W/m2 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.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2013.11.017