Solar XXI building: Proof of concept or a concept to be proved?

Detalhes bibliográficos
Autor(a) principal: Panão, Marta Oliveira
Data de Publicação: 2011
Outros Autores: Goncalves, Helder
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.9/1341
Resumo: Solar XXI building is a low energy office building where passive and active solar strategies have been applied to reduce the use of energy for heating,cooling and lighting, combining also an extensive photovoltaic façade for electricity production. Solar XXI opened in 2006 and is considered a high efficient building, close to a net zero energy building (NZEB), where the difference between the energy consumed and that produced is 1/10th of the energy consumed by a Portuguese standard new office building. Its design includes many energy efficiency concepts, such as a high insulated envelope,south sun exposure, windows external shading, photovoltaic panels heat recovery,ground-cooling system, daylighting, stack effect and cross ventilation. The solar gains of the windows and the effectiveness of shading devices were evaluated in order to correlate solar radiation, external and indoor air temperatures.It was also verified that amplitude-dampening of ground cooled air ranged between 5 and 8 C, following the trend of the analytical solution for heat diffusion of a cylindrical air/soil heat-exchanger.
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spelling Solar XXI building: Proof of concept or a concept to be proved?Passive office buildingDirect gainGround-cooling systemPhotovoltaic façadeZero energyMonitoringSolar XXI building is a low energy office building where passive and active solar strategies have been applied to reduce the use of energy for heating,cooling and lighting, combining also an extensive photovoltaic façade for electricity production. Solar XXI opened in 2006 and is considered a high efficient building, close to a net zero energy building (NZEB), where the difference between the energy consumed and that produced is 1/10th of the energy consumed by a Portuguese standard new office building. Its design includes many energy efficiency concepts, such as a high insulated envelope,south sun exposure, windows external shading, photovoltaic panels heat recovery,ground-cooling system, daylighting, stack effect and cross ventilation. The solar gains of the windows and the effectiveness of shading devices were evaluated in order to correlate solar radiation, external and indoor air temperatures.It was also verified that amplitude-dampening of ground cooled air ranged between 5 and 8 C, following the trend of the analytical solution for heat diffusion of a cylindrical air/soil heat-exchanger.Repositório do LNEGPanão, Marta OliveiraGoncalves, Helder2011-07-12T12:18:29Z2011-01-01T00:00:00Z2011-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.9/1341engPanão, Marta Oliveira; Gonçalves, Helder. Solar XXI building: Proof of concept or a concept to be proved?. In: Renewable Energy, 2011, vol. 36, nº10, p.2703-2710info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-09-06T12:25:52Zoai:repositorio.lneg.pt:10400.9/1341Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:34:10.857227Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Solar XXI building: Proof of concept or a concept to be proved?
title Solar XXI building: Proof of concept or a concept to be proved?
spellingShingle Solar XXI building: Proof of concept or a concept to be proved?
Panão, Marta Oliveira
Passive office building
Direct gain
Ground-cooling system
Photovoltaic façade
Zero energy
Monitoring
title_short Solar XXI building: Proof of concept or a concept to be proved?
title_full Solar XXI building: Proof of concept or a concept to be proved?
title_fullStr Solar XXI building: Proof of concept or a concept to be proved?
title_full_unstemmed Solar XXI building: Proof of concept or a concept to be proved?
title_sort Solar XXI building: Proof of concept or a concept to be proved?
author Panão, Marta Oliveira
author_facet Panão, Marta Oliveira
Goncalves, Helder
author_role author
author2 Goncalves, Helder
author2_role author
dc.contributor.none.fl_str_mv Repositório do LNEG
dc.contributor.author.fl_str_mv Panão, Marta Oliveira
Goncalves, Helder
dc.subject.por.fl_str_mv Passive office building
Direct gain
Ground-cooling system
Photovoltaic façade
Zero energy
Monitoring
topic Passive office building
Direct gain
Ground-cooling system
Photovoltaic façade
Zero energy
Monitoring
description Solar XXI building is a low energy office building where passive and active solar strategies have been applied to reduce the use of energy for heating,cooling and lighting, combining also an extensive photovoltaic façade for electricity production. Solar XXI opened in 2006 and is considered a high efficient building, close to a net zero energy building (NZEB), where the difference between the energy consumed and that produced is 1/10th of the energy consumed by a Portuguese standard new office building. Its design includes many energy efficiency concepts, such as a high insulated envelope,south sun exposure, windows external shading, photovoltaic panels heat recovery,ground-cooling system, daylighting, stack effect and cross ventilation. The solar gains of the windows and the effectiveness of shading devices were evaluated in order to correlate solar radiation, external and indoor air temperatures.It was also verified that amplitude-dampening of ground cooled air ranged between 5 and 8 C, following the trend of the analytical solution for heat diffusion of a cylindrical air/soil heat-exchanger.
publishDate 2011
dc.date.none.fl_str_mv 2011-07-12T12:18:29Z
2011-01-01T00:00:00Z
2011-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.9/1341
url http://hdl.handle.net/10400.9/1341
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Panão, Marta Oliveira; Gonçalves, Helder. Solar XXI building: Proof of concept or a concept to be proved?. In: Renewable Energy, 2011, vol. 36, nº10, p.2703-2710
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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