Thermomechanical deformations in photovoltaic laminates

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dc.identifier.uri Paggi, M. Kajari-Schröder, S. Eitner, U. 2018-03-01T14:03:51Z 2018-03-01T14:03:51Z 2011
dc.identifier.citation Paggi, M.; Kajari-Schröder, S.; Eitner, U.: Thermomechanical deformations in photovoltaic laminates. In: Journal of Strain Analysis for Engineering Design 46 (2011), Nr. 8, S. 772-782. DOI:
dc.description.abstract Recent experimental results based on the digital image correlation technique (U. Eitner, M. Köntges, R. Brendel, Solar Energy Mater. Solar Cells, 2010, 94, 1346-1351) show that the gap between solar cells embedded into a standard photovoltaic laminate varies with temperature. The variation of this gap is an important quantity to assess the integrity of the electric connection between solar cells when exposed to service conditions. In this paper, the thermo-elastic deformations in photovoltaic laminates are analytically investigated by developing different approximate models based on the multilayered beam theory. It is found that the temperature-dependent thermo-elastic properties of the encapsulating polymer layer are responsible for the deviation from linearity experimentally observed in the diagram relating the gap variation to the temperature. The contribution of the different material constituents to the homogenized elastic modulus and thermal expansion coefficient of the composite system is also properly quantified through the definition of weight factors of practical engineering use. Copyright © 2011 by Institution of Mechanical Engineers. eng
dc.language.iso eng
dc.publisher London : SAGE Publications Ltd.
dc.relation.ispartofseries Journal of Strain Analysis for Engineering Design 46 (2011), Nr. 8
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
dc.subject Analytical model eng
dc.subject Digital image correlation eng
dc.subject Multilayered system eng
dc.subject Photovoltaic laminate eng
dc.subject Thermo-elastic deformations eng
dc.subject Analytical model eng
dc.subject Approximate model eng
dc.subject Digital image correlation technique eng
dc.subject Digital image correlations eng
dc.subject Electric connections eng
dc.subject Multi-layered systems eng
dc.subject Multilayered beams eng
dc.subject Photovoltaic laminate eng
dc.subject Polymer layers eng
dc.subject Practical engineering eng
dc.subject Service conditions eng
dc.subject Temperature dependent eng
dc.subject Thermal expansion coefficients eng
dc.subject Thermomechanical deformations eng
dc.subject Weight factor eng
dc.subject Elastic deformation eng
dc.subject Electric connectors eng
dc.subject Image analysis eng
dc.subject Mathematical models eng
dc.subject Nanostructured materials eng
dc.subject Paper laminates eng
dc.subject Photovoltaic effects eng
dc.subject Solar energy eng
dc.subject Strain measurement eng
dc.subject Thermal expansion eng
dc.subject Thermoelasticity eng
dc.subject Solar power generation eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau ger
dc.title Thermomechanical deformations in photovoltaic laminates
dc.type article
dc.type Text
dc.relation.issn 0309-3247
dc.bibliographicCitation.issue 8
dc.bibliographicCitation.volume 46
dc.bibliographicCitation.firstPage 772
dc.bibliographicCitation.lastPage 782
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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