Photovoltaic/thermal (PV/T) system is a kind of solar system that converts solar energy to electrical and thermal energy simultaneously. In this paper, the effect of some parameters, such as packing factor, fin number, and fin height as well as environmental and dimensional parameters on the performance of the PV/T system with natural air flow from the energetic and exergetic viewpoint, has been studied. For this purpose, a theoretical model is developed and validated. Induced mass flow rate and PV temperature are well-predicted, compared with existing numerical data, available in the literature. It is found that thermal efficiency of the PV/T systems decreases slightly with the increase in packing factor, while PV efficiency increases sharply. The first-law efficiency and second-law efficiency of the system increase with the increase in the fin number and fin height. Also, results show that increasing exit diameter is a favorable factor from the first-law efficiency viewpoint, while it has an unfavorable effect on the second-law efficiency.
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August 2014
Research-Article
Energy and Exergy Study of Effective Parameters on Performance of Photovoltaic/Thermal Natural Air Collectors
M. Gholampour,
M. Gholampour
Department of Mechanical Engineering,
Faculty of Engineering,
Faculty of Engineering,
Shahid Bahonar University
,Kerman 76169-133
, Iran
Search for other works by this author on:
M. Ameri
M. Ameri
1
Department of Mechanical Engineering,
Faculty of Engineering,
Faculty of Engineering,
Shahid Bahonar University
,Kerman 76169-133
, Iran
Energy and Environmental Engineering
Research Center,
e-mail: ameri_mm@mail.uk.ac.ir
Research Center,
Shahid Bahonar University
,Kerman 76169-133
, Iran
e-mail: ameri_mm@mail.uk.ac.ir
1Corresponding author.
Search for other works by this author on:
M. Gholampour
Department of Mechanical Engineering,
Faculty of Engineering,
Faculty of Engineering,
Shahid Bahonar University
,Kerman 76169-133
, Iran
M. Ameri
Department of Mechanical Engineering,
Faculty of Engineering,
Faculty of Engineering,
Shahid Bahonar University
,Kerman 76169-133
, Iran
Energy and Environmental Engineering
Research Center,
e-mail: ameri_mm@mail.uk.ac.ir
Research Center,
Shahid Bahonar University
,Kerman 76169-133
, Iran
e-mail: ameri_mm@mail.uk.ac.ir
1Corresponding author.
Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received September 27, 2012; final manuscript received October 22, 2013; published online January 10, 2014. Editor: Gilles Flamant.
J. Sol. Energy Eng. Aug 2014, 136(3): 031001 (11 pages)
Published Online: January 10, 2014
Article history
Received:
September 27, 2012
Revision Received:
October 22, 2013
Citation
Gholampour, M., and Ameri, M. (January 10, 2014). "Energy and Exergy Study of Effective Parameters on Performance of Photovoltaic/Thermal Natural Air Collectors." ASME. J. Sol. Energy Eng. August 2014; 136(3): 031001. https://doi.org/10.1115/1.4026250
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