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Research Papers

A Parametric Investigation of a Concentrating Photovoltaic/Thermal System With Spectral Filtering Utilizing a Two-Dimensional Heat Transfer Model

[+] Author and Article Information
Nick Brekke

Department of Mechanical Engineering,
The University of Tulsa,
800 South Tucker Drive,
Tulsa, OK 74104
e-mail: Nick-Brekke@utulsa.edu

Todd Otanicar

Department of Mechanical Engineering,
The University of Tulsa,
800 South Tucker Drive,
Tulsa, OK 74104
e-mail: Todd-Otanicar@Utulsa.edu

Drew DeJarnette

Department of Mechanical Engineering,
The University of Tulsa,
800 South Tucker Drive,
Tulsa, OK 74104
e-mail: Drew-DeJarnette@Utulsa.edu

Parameswar Hari

The Department of Physics,
The University of Tulsa,
800 South Tucker Drive,
Tulsa, OK 74104
e-mail: Parameswar-Harikumar@Utulsa.edu

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 July 27, 2015; final manuscript received December 2, 2015; published online February 1, 2016. Assoc. Editor: M. Keith Sharp.

J. Sol. Energy Eng 138(2), 021007 (Feb 01, 2016) (7 pages) Paper No: SOL-15-1236; doi: 10.1115/1.4032452 History: Received July 27, 2015; Revised December 02, 2015

A 2D heat transfer model of a hybrid photovoltaic/thermal (PV/T) system has been created. This paper investigates the impact of ideal filters to best accommodate for a nonuniform PV temperature along the length of the receiver. The proposed configuration consists of a GaAs cell laminated to an aluminum extrusion. The working fluid, a transparent high-temperature heat transfer fluid with suspended nanoparticles, flows through the hollow extrusion where it cools the PV cell before it is redirected in front of the cell acting as an optical filter. The model accounts for PV cell efficiency, temperature, and bandgap dependence, the details often neglected in prior works.

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References

Figures

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Fig. 1

Approach to thermally coupled PV/T hybrid concentrating solar collector

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Fig. 2

PV/T hybrid collector schematic for thermal modeling

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Fig. 3

Interaction between fluid cutoff and PV bandgap

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Fig. 4

Percent exergy and average PV temperature for various filter designs

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Fig. 5

Percent exergy as heat and average PV temperature for various filter designs

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Fig. 6

PV efficiency and average PV temperature for various design wavelengths

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Fig. 7

Thermal efficiency and average PV temperature for various filter designs

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Fig. 8

Fluid outlet temperature and average PV temperature for various design wavelengths

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