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Research Papers

Performance Evaluation of a New Type of Combined Photovoltaic–Thermal Solar Collector

[+] Author and Article Information
Gianpiero Colangelo

Dipartimento di Ingegneria dell'Innovazione,
Università del Salento,
Via per Arnesano,
Lecce 73100, Italy
e-mail: gianpiero.colangelo@unisalento.it

Danilo Romano

Dipartimento di Ingegneria dell'Innovazione,
Università del Salento,
Via per Arnesano,
Lecce 73100, Italy
e-mail: danilo.romano@unisalento.it

Giuseppe Marco Tina

Dipartimento di Ingegneria
Elettrica Elettronica e dei Sistemi,
Università di Catania,
Viale Andrea Doria 6,
Catania 95125, Italy
e-mail: gtina@diees.unict.it

1Corresponding author.

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 October 9, 2014; final manuscript received May 25, 2015; published online June 16, 2015. Editor: Robert F. Boehm.

J. Sol. Energy Eng 137(4), 041012 (Aug 01, 2015) (12 pages) Paper No: SOL-14-1288; doi: 10.1115/1.4030727 History: Received October 09, 2014; Revised May 25, 2015; Online June 16, 2015

A thermal analysis of a new photovoltaic–thermal (PV–T) solar panel design, called thermal electric solar panel integration (TESPI), has been performed using radtherm thermoanalitics software. Combinations of different water flow rates and different panel configurations have been analyzed to determine which one produces best performance in terms of optimal PV efficiency and available thermal energy. Higher total panel efficiencies (thermal and electrical) were achieved in configurations utilizing the highest water flow rates, independently from the chosen configuration. However, high water flow rates translated into minimal net temperature differences between the PV/T panel inlet and outlet.

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References

Figures

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Fig. 2

TESPI panel configurations: (a) vertical and (b) horizontal

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Fig. 1

Exploded view of TESPI panel

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Fig. 3

TESPI panel—cross view section

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Fig. 4

Scheme of the layers of TESPI and main energy fluxes

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Fig. 10

Thermal simulation autumnal equinox—PV cells temperature

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Fig. 11

Thermal simulation winter solstice—outlet temperature

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Fig. 12

Thermal simulation winter solstice—PV cells temperature

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Fig. 13

Thermal simulation spring equinox—outlet temperature

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Fig. 14

Thermal simulation spring equinox—PV cells temperature

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Fig. 5

Thermal model validation

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Fig. 6

Thermal simulation summer solstice—outlet temperature

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Fig. 7

Thermal simulation summer solstice—PV cells temperature

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Fig. 8

Thermal simulation summer solstice—temperature profile of TESPI

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Fig. 9

Thermal simulation autumnal equinox—outlet temperature

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