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Research Papers

Theoretical and Experimental Studies of a New Configuration of Photovoltaic–Thermal Collector

[+] Author and Article Information
Hanene Ben Cheikh El Hocine

Unité de Recherche Appliquée en Energie
Renouvelables, URAER,
Centre de Développement des Energies
Renouvelables, CDER,
Ghardaïa 47133, Algeria
e-mail: bencheikh_80@yahoo.fr

Khaled Touafek

Unité de Recherche Appliquée en Energie
Renouvelables, URAER,
Centre de Développement des Energies
Renouvelables, CDER,
Ghardaïa 47133, Algeria
e-mail: khaledtouafek@yahoo.fr

Fouad Kerrour

Laboratoire de Modélisation des Dispositifs à
Énergies Renouvelables et Nanométriques,
Département d’électronique,
Université des Frères Mentouri-Constantine,
Constantine, 25000, Algeria
e-mail: f_kerrour@yahoo.fr

Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: INCLUDING WIND ENERGY AND BUILDING ENERGY CONSERVATION. Manuscript received March 9, 2016; final manuscript received November 2, 2016; published online December 22, 2016. Assoc. Editor: Carlos F. M. Coimbra.

J. Sol. Energy Eng 139(2), 021012 (Dec 22, 2016) (7 pages) Paper No: SOL-16-1121; doi: 10.1115/1.4035328 History: Received March 09, 2016; Revised November 02, 2016

Within the solar energy technologies, the hybrid photovoltaic–thermal (PVT) systems offer an attractive option because the absorbed solar radiation is converted into thermal and electrical energies (the conversion can be done separately or simultaneously). In this study, an attempt has been made to evaluate the theoretical and practical performances and evaluation of a hybrid PVT collector based on a new integrated absorber configuration function of climatic and design parameters. Our objective is to obtain a more efficient use of solar energy by cheaper materials and simpler implementation. On the first hand, we considered two different configurations of hybrid collectors which are defined as PVT water with absorber in parallel vertical tubes (model I) and a PVT with absorber in an enclosure (model II). On the second hand, we presented a new integrated absorber configuration for hybrid collector; then we compared it to the two previous models. The last proposed design has the advantage of a simpler implementation and a lower cost compared to other configurations of PVT hybrid collectors. A computer simulation program has been developed in order to calculate the thermal and electrical parameters of the PVT–water collector. The obtained simulation results are found to be in good agreement with the experimental measurements. For a sample climatic, operating, and design parameter, the calculated thermal and electrical energies of the new configuration of PVT are about 125.36 W and 40 W, respectively.

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References

Figures

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Fig. 2

Distribution of the temperature of different components of PVT parallel tubes collector (m = 0.002 kg/s, Vin = 2 m/s, and AT = 0.42) parallel tubes

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Fig. 3

Distribution of the temperature of different components of PVT enclosure collector (m = 0.002 kg/s, Vin = 2 m/s, and AT = 0.42) in enclosure

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Fig. 4

Thermal energy in different configuration of PVT

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Fig. 5

Outlet temperature of new configuration

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Fig. 6

Hourly variation of solar intensity and ambient temperature for the day of Oct. 27, 2015

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Fig. 7

Experiment values of temperature for each component for typical day

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Fig. 8

Comparison between experimental and theoretical results of outlet temperature

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Fig. 9

Comparison between experimental and theoretical result of thermal production in the new PVT configuration

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Fig. 10

Electrical energy produced by new PVT collector

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Fig. 11

Electrical and thermal efficiencies of PVT system

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