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Electrical and thermal performance evaluation of symmetric truncated C-PVT trough solar collectors with vertical bifacial receivers
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Energy system.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Energy system.
2018 (English)In: Solar Energy, ISSN 0038-092X, E-ISSN 1471-1257, Vol. 174, p. 683-690Article in journal (Refereed) Published
Abstract [en]

One way to reduce solar collectors’ production costs is to use concentrators that increase the output per photovoltaic cell. Concentrating collectors re-direct solar radiation that passes through an aperture into an absorber/receiver. Symmetrical truncated non-tracking C-PVT trough collectors based on a parabola and compound parabolic concentrator (CPC) geometries have been developed. The collector type has a central vertical bifacial (fin) receiver and it was optimized for lower latitudes. In this paper, the electrical and thermal performance of symmetric truncated non-tracking low concentrator PVT solar collectors with vertical bifacial receivers is analysed, through a numerical ray-tracing model software and a multi-paradigm numerical computing environment. A thermal (quasi-dynamic testing method for liquid heating collectors described in the international standard for solar thermal collectors ISO 9806:2013) and electrical performance models were implemented to evaluate the design concepts. The evaluation was made for heating Domestic Hot Water for a Single Family House in Fayoum (Egypt), where CPC geometries with a concentration factor of 1.6 achieved 8 to 13%rel higher energy yields (in kWh/m2/year) than the Pure Parabola geometries.

Place, publisher, year, edition, pages
Elsevier Ltd , 2018. Vol. 174, p. 683-690
Keywords [en]
Bifacial receiver, Electrical and thermal yield evaluation, Ray-tracing, Symmetric C-PVT collector
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:hig:diva-28322DOI: 10.1016/j.solener.2018.09.045ISI: 000451499500065Scopus ID: 2-s2.0-85053808056OAI: oai:DiVA.org:hig-28322DiVA, id: diva2:1255908
Available from: 2018-10-15 Created: 2018-10-15 Last updated: 2019-01-07Bibliographically approved

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Cabral, DiogoKarlsson, Björn O.

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CiteExportLink to record
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  • apa
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  • modern-language-association-8th-edition
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  • sv-SE
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