Effect of semi-transparent a-Si PV glazing within double-skin façades on visual and energy performances under the UK climate condition

Roberts, Frank, Yang, Siliang, Du, Hu ORCID: https://orcid.org/0000-0002-1637-0626 and Yang, Rebecca 2023. Effect of semi-transparent a-Si PV glazing within double-skin façades on visual and energy performances under the UK climate condition. Renewable Energy 207 , pp. 601-610. 10.1016/j.renene.2023.03.023

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Abstract

Various studies have assessed the energy performance alterations affected by the novel technology of Building-Integrated Photovoltaic in Double-Skin Facades (BIPV-DSF), while lighting performance tied to the BIPV-DSF has not received much attention. This paper provides numerical modelling to assess the effect of BIPV-DSF on both indoor visual condition and energy consumption for an office module under a typical climate in the United Kingdom. The proposed study was focused on the comparisons between a reference case (a DSF office module with both layers using clear double glazing) and a design case of the same office module with BIPV-DSF using semi-transparent Amorphous Silicon PV glazing. Results show a significant drop in maximum daylight illuminance of 73% by configuring the BIPV-DSF with reference to the regular DSF. It was also reported the resultant average and minimum daylight factors (0.65% and 0.00%) were not able to meet indoor visual comfort requirements for office environments. Furthermore, it was found that the use of BIPV-DSF resulted in a net increase of 8% in building energy consumption over the reference DSF. Therefore, it is concluded that in the present context the BIPV-DSF is not viable for a commercial installation under the UK's climate conditions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Architecture
Additional Information:	License information from Publisher: LICENSE 1: URL: http://creativecommons.org/licenses/by/4.0/, Start Date: 2023-03-07
Publisher:	Elsevier
ISSN:	0960-1481
Date of First Compliant Deposit:	10 March 2023
Date of Acceptance:	5 March 2023
Last Modified:	07 May 2023 05:44
URI:	https://orca.cardiff.ac.uk/id/eprint/157644

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