Multiscale modelling of packed bed chemical looping reforming
Autor(a) principal: | |
---|---|
Data de Publicação: | 2017 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10316/108178 https://doi.org/10.1016/j.egypro.2017.10.287 |
Resumo: | A comparison of reactive flows on two distinct scales is presented here (i) Particle resolved direct numerical simulation (PR-DNS), and (ii) 1D packed bed model. The PR-DNS geometry is meshed with polyhedral elements both inside and outside the particle to directly resolve the phenomena of intra particle diffusion and external heat and mass transfer. In contrast, the 1D packed bed model incorporates appropriate closure models to compare against the PR-DNS solutions at a computational cost several magnitudes less. Simulations are performed for endothermic steam methane reforming reactions (SMR) over a range of inlet temperatures. The comparison of the results between the two approaches shows that the 1D model can adequately replicate the PR-DNS results with appropriate modifications to the closures. The resulting verified 1D model was then used to simulate the reforming stage of an industrial scale packed bed chemical looping reforming reactor. |
id |
RCAP_be1d1355f93c5dc0183c53aedfb6ff0c |
---|---|
oai_identifier_str |
oai:estudogeral.uc.pt:10316/108178 |
network_acronym_str |
RCAP |
network_name_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository_id_str |
7160 |
spelling |
Multiscale modelling of packed bed chemical looping reformingCFD-DEMDirect Numerical Simulation (DNS)heat transfermultiscalepacked bedreaction ratesteam methane reformingA comparison of reactive flows on two distinct scales is presented here (i) Particle resolved direct numerical simulation (PR-DNS), and (ii) 1D packed bed model. The PR-DNS geometry is meshed with polyhedral elements both inside and outside the particle to directly resolve the phenomena of intra particle diffusion and external heat and mass transfer. In contrast, the 1D packed bed model incorporates appropriate closure models to compare against the PR-DNS solutions at a computational cost several magnitudes less. Simulations are performed for endothermic steam methane reforming reactions (SMR) over a range of inlet temperatures. The comparison of the results between the two approaches shows that the 1D model can adequately replicate the PR-DNS results with appropriate modifications to the closures. The resulting verified 1D model was then used to simulate the reforming stage of an industrial scale packed bed chemical looping reforming reactor.Conference Proceedings2017info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/108178http://hdl.handle.net/10316/108178https://doi.org/10.1016/j.egypro.2017.10.287eng18766102Singhal, ArpitCloete, SchalkQuinta-Ferreira, Rosa M.Amini, Shahriarinfo: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:RCAAP2023-08-14T10:56:08Zoai:estudogeral.uc.pt:10316/108178Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:24:28.139742Repositório 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 |
Multiscale modelling of packed bed chemical looping reforming |
title |
Multiscale modelling of packed bed chemical looping reforming |
spellingShingle |
Multiscale modelling of packed bed chemical looping reforming Singhal, Arpit CFD-DEM Direct Numerical Simulation (DNS) heat transfer multiscale packed bed reaction rate steam methane reforming |
title_short |
Multiscale modelling of packed bed chemical looping reforming |
title_full |
Multiscale modelling of packed bed chemical looping reforming |
title_fullStr |
Multiscale modelling of packed bed chemical looping reforming |
title_full_unstemmed |
Multiscale modelling of packed bed chemical looping reforming |
title_sort |
Multiscale modelling of packed bed chemical looping reforming |
author |
Singhal, Arpit |
author_facet |
Singhal, Arpit Cloete, Schalk Quinta-Ferreira, Rosa M. Amini, Shahriar |
author_role |
author |
author2 |
Cloete, Schalk Quinta-Ferreira, Rosa M. Amini, Shahriar |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Singhal, Arpit Cloete, Schalk Quinta-Ferreira, Rosa M. Amini, Shahriar |
dc.subject.por.fl_str_mv |
CFD-DEM Direct Numerical Simulation (DNS) heat transfer multiscale packed bed reaction rate steam methane reforming |
topic |
CFD-DEM Direct Numerical Simulation (DNS) heat transfer multiscale packed bed reaction rate steam methane reforming |
description |
A comparison of reactive flows on two distinct scales is presented here (i) Particle resolved direct numerical simulation (PR-DNS), and (ii) 1D packed bed model. The PR-DNS geometry is meshed with polyhedral elements both inside and outside the particle to directly resolve the phenomena of intra particle diffusion and external heat and mass transfer. In contrast, the 1D packed bed model incorporates appropriate closure models to compare against the PR-DNS solutions at a computational cost several magnitudes less. Simulations are performed for endothermic steam methane reforming reactions (SMR) over a range of inlet temperatures. The comparison of the results between the two approaches shows that the 1D model can adequately replicate the PR-DNS results with appropriate modifications to the closures. The resulting verified 1D model was then used to simulate the reforming stage of an industrial scale packed bed chemical looping reforming reactor. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017 |
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/10316/108178 http://hdl.handle.net/10316/108178 https://doi.org/10.1016/j.egypro.2017.10.287 |
url |
http://hdl.handle.net/10316/108178 https://doi.org/10.1016/j.egypro.2017.10.287 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
18766102 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Conference Proceedings |
publisher.none.fl_str_mv |
Conference Proceedings |
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 |
repository.mail.fl_str_mv |
|
_version_ |
1799134129235689472 |