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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.ORCID iD: 0000-0002-0539-3291
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: 2019-11-22Bibliographically 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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