Moisture intrusion in viscoelastic porous media: induced-stress and deformation

Detalhes bibliográficos
Autor(a) principal: Miguel, A. F.
Data de Publicação: 2009
Outros Autores: Reis, A
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10174/5493
https://doi.org/10.2298/TSCI0901047M
Resumo: Porous media exposed to humid air absorb moisture which can lead to extensive internal damage and failure. In this paper, we analyze numerically the influence of the moisture intrusion in a two-layer viscoelastic porous media. The relationship between air humidity and moisture content inside the porous media was examined. It was also found that the local stress increases with the exposure time to humid air but decreases with initial moisture content of the porous medium. Furthermore, the stress components were tensile at the centre of the medium and compressive near the medium surface. The ultimate strength of the medium was only exceeded for the stresses in axial and tangential directions.
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spelling Moisture intrusion in viscoelastic porous media: induced-stress and deformationmoisture intrusionmoisture contentstressfailureporous mediaPorous media exposed to humid air absorb moisture which can lead to extensive internal damage and failure. In this paper, we analyze numerically the influence of the moisture intrusion in a two-layer viscoelastic porous media. The relationship between air humidity and moisture content inside the porous media was examined. It was also found that the local stress increases with the exposure time to humid air but decreases with initial moisture content of the porous medium. Furthermore, the stress components were tensile at the centre of the medium and compressive near the medium surface. The ultimate strength of the medium was only exceeded for the stresses in axial and tangential directions.VINS publishers2012-11-12T17:49:20Z2012-11-122009-09-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10174/5493http://hdl.handle.net/10174/5493https://doi.org/10.2298/TSCI0901047MengA. F. Miguel, A. H. Reis. Moisture intrusion in viscoelastic porous media: induced-stress and deformation. Thermal Science 13 (2009) 47-54.ndndMiguel, A. F.Reis, Ainfo: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:RCAAP2024-01-03T18:44:07Zoai:dspace.uevora.pt:10174/5493Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:00:24.130744Repositório 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 Moisture intrusion in viscoelastic porous media: induced-stress and deformation
title Moisture intrusion in viscoelastic porous media: induced-stress and deformation
spellingShingle Moisture intrusion in viscoelastic porous media: induced-stress and deformation
Miguel, A. F.
moisture intrusion
moisture content
stress
failure
porous media
title_short Moisture intrusion in viscoelastic porous media: induced-stress and deformation
title_full Moisture intrusion in viscoelastic porous media: induced-stress and deformation
title_fullStr Moisture intrusion in viscoelastic porous media: induced-stress and deformation
title_full_unstemmed Moisture intrusion in viscoelastic porous media: induced-stress and deformation
title_sort Moisture intrusion in viscoelastic porous media: induced-stress and deformation
author Miguel, A. F.
author_facet Miguel, A. F.
Reis, A
author_role author
author2 Reis, A
author2_role author
dc.contributor.author.fl_str_mv Miguel, A. F.
Reis, A
dc.subject.por.fl_str_mv moisture intrusion
moisture content
stress
failure
porous media
topic moisture intrusion
moisture content
stress
failure
porous media
description Porous media exposed to humid air absorb moisture which can lead to extensive internal damage and failure. In this paper, we analyze numerically the influence of the moisture intrusion in a two-layer viscoelastic porous media. The relationship between air humidity and moisture content inside the porous media was examined. It was also found that the local stress increases with the exposure time to humid air but decreases with initial moisture content of the porous medium. Furthermore, the stress components were tensile at the centre of the medium and compressive near the medium surface. The ultimate strength of the medium was only exceeded for the stresses in axial and tangential directions.
publishDate 2009
dc.date.none.fl_str_mv 2009-09-01T00:00:00Z
2012-11-12T17:49:20Z
2012-11-12
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/10174/5493
http://hdl.handle.net/10174/5493
https://doi.org/10.2298/TSCI0901047M
url http://hdl.handle.net/10174/5493
https://doi.org/10.2298/TSCI0901047M
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv A. F. Miguel, A. H. Reis. Moisture intrusion in viscoelastic porous media: induced-stress and deformation. Thermal Science 13 (2009) 47-54.
nd
nd
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv VINS publishers
publisher.none.fl_str_mv VINS publishers
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
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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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