An Experimental Comparison of two Solar Photovoltaic- Thermal (PVT) Energy Conversion Systems for Production of Heat and Power

David A.G. Redpath, Harjit Singh, Christopher Tierney, Philip Dalzell

    Research output: Contribution to journalArticle

    Abstract

    Two solar photovoltaic-thermal (PVT) energy conversion systems are described and their performance tested under laboratory conditions. One of these was a simple Flat Plate (FP-PVT) design, with headers and risers for heat removal the other a fixed linear axis Compound Parabolic Concentrating solar PVT (CPC-PVT) energy conversion system with a heat-pipe for removal of solar gain. Both had a low iron glass cover for high transmissivity of solar radiation, and polycrystalline silicon solar photovoltaic cells adhered to the absorber. Heat loss coefficient for the FP-PVT collector was measured as 4.1W/m2/K and 3.5W/m2/K for the CPC-PVT solar collector. These solar collectors were tested under steady state conditions using the solar simulator facility at the University of Ulster’s Centre for Sustainable Technologies. The FP-PVT and the CPC-PVT had a combined efficiency of 66.8% and 53.4% respectively producing both heat and power.
    LanguageEnglish
    Pages46-50
    JournalEnergy and Power Engineering
    Volume2
    Issue number4
    DOIs
    Publication statusPublished - 30 Jul 2012

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    Thermal energy
    Energy conversion
    Solar collectors
    Photovoltaic cells
    Heat pipes
    Solar radiation
    Heat losses
    Polysilicon
    Simulators
    Hot Temperature
    Iron
    Glass

    Cite this

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    title = "An Experimental Comparison of two Solar Photovoltaic- Thermal (PVT) Energy Conversion Systems for Production of Heat and Power",
    abstract = "Two solar photovoltaic-thermal (PVT) energy conversion systems are described and their performance tested under laboratory conditions. One of these was a simple Flat Plate (FP-PVT) design, with headers and risers for heat removal the other a fixed linear axis Compound Parabolic Concentrating solar PVT (CPC-PVT) energy conversion system with a heat-pipe for removal of solar gain. Both had a low iron glass cover for high transmissivity of solar radiation, and polycrystalline silicon solar photovoltaic cells adhered to the absorber. Heat loss coefficient for the FP-PVT collector was measured as 4.1W/m2/K and 3.5W/m2/K for the CPC-PVT solar collector. These solar collectors were tested under steady state conditions using the solar simulator facility at the University of Ulster’s Centre for Sustainable Technologies. The FP-PVT and the CPC-PVT had a combined efficiency of 66.8{\%} and 53.4{\%} respectively producing both heat and power.",
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    An Experimental Comparison of two Solar Photovoltaic- Thermal (PVT) Energy Conversion Systems for Production of Heat and Power. / Redpath, David A.G.; Singh, Harjit; Tierney, Christopher; Dalzell, Philip.

    In: Energy and Power Engineering, Vol. 2, No. 4, 30.07.2012, p. 46-50.

    Research output: Contribution to journalArticle

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    AU - Singh, Harjit

    AU - Tierney, Christopher

    AU - Dalzell, Philip

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    AB - Two solar photovoltaic-thermal (PVT) energy conversion systems are described and their performance tested under laboratory conditions. One of these was a simple Flat Plate (FP-PVT) design, with headers and risers for heat removal the other a fixed linear axis Compound Parabolic Concentrating solar PVT (CPC-PVT) energy conversion system with a heat-pipe for removal of solar gain. Both had a low iron glass cover for high transmissivity of solar radiation, and polycrystalline silicon solar photovoltaic cells adhered to the absorber. Heat loss coefficient for the FP-PVT collector was measured as 4.1W/m2/K and 3.5W/m2/K for the CPC-PVT solar collector. These solar collectors were tested under steady state conditions using the solar simulator facility at the University of Ulster’s Centre for Sustainable Technologies. The FP-PVT and the CPC-PVT had a combined efficiency of 66.8% and 53.4% respectively producing both heat and power.

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