Parametric height influence analysis on thermal radiation and convection applied to real ovens
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1177/09544089211037517 http://hdl.handle.net/11449/229387 |
Resumo: | Due to their greater flexibility in heating and high productivity, continuous tunnel-type ovens have become the best option for industrial processes. The geometric optimization of ovens to better take advantage of the heat transfer mechanisms by convection and thermal radiation is increasingly researched; with the search for designs that combine lower fuel consumption, greater efficiency and competitiveness, and lower costs. In this sense, this work studied the influence of height on heat exchanges by radiation and convection and other flow parameters to define the best geometric height for the real oven under study. From the dimensions and real operating conditions of continuous tunnel-type ovens were built five numerical models of parametric variation, which were simulated with the free and open-source software OpenFOAM®. The turbulent forced convection regime was characterized in all models. The use of greater heights in the ovens increased and intensified the recirculation regions, reduced the rates of heat transfer by thermal radiation, and reduced the losses of heat by convection. The order of magnitude of heat exchanges by radiation proved to be much higher than heat exchanges by convection, confirming the results of the main references in the technical-scientific literature. It was concluded that the use of ovens with a lower height provides significant increases in the thermal radiation heat transfer rates. |
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Parametric height influence analysis on thermal radiation and convection applied to real ovensconvectionFood ovennumerical simulationOpenFOAM®thermal radiationDue to their greater flexibility in heating and high productivity, continuous tunnel-type ovens have become the best option for industrial processes. The geometric optimization of ovens to better take advantage of the heat transfer mechanisms by convection and thermal radiation is increasingly researched; with the search for designs that combine lower fuel consumption, greater efficiency and competitiveness, and lower costs. In this sense, this work studied the influence of height on heat exchanges by radiation and convection and other flow parameters to define the best geometric height for the real oven under study. From the dimensions and real operating conditions of continuous tunnel-type ovens were built five numerical models of parametric variation, which were simulated with the free and open-source software OpenFOAM®. The turbulent forced convection regime was characterized in all models. The use of greater heights in the ovens increased and intensified the recirculation regions, reduced the rates of heat transfer by thermal radiation, and reduced the losses of heat by convection. The order of magnitude of heat exchanges by radiation proved to be much higher than heat exchanges by convection, confirming the results of the main references in the technical-scientific literature. It was concluded that the use of ovens with a lower height provides significant increases in the thermal radiation heat transfer rates.Department of Industry Instituto Federal de Educação Ciência e Tecnologia de São Paulo (IFSP)Mechanical Engineering Department Universidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Engenharia de Bauru (FEB/UNESP)Mechanical Engineering Department Universidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Engenharia de Bauru (FEB/UNESP)Ciência e Tecnologia de São Paulo (IFSP)Universidade Estadual Paulista (UNESP)Verdério Júnior, Sílvio AparecidoScalon, Vicente Luiz [UNESP]Oliveira, Santiago del Rio [UNESP]Avallone, ElsonMioralli, Paulo CésarGonçalves, Daniel da Motta2022-04-29T08:32:13Z2022-04-29T08:32:13Z2021-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1177/09544089211037517Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering.0954-4089http://hdl.handle.net/11449/22938710.1177/095440892110375172-s2.0-85113324114Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengProceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineeringinfo:eu-repo/semantics/openAccess2022-04-29T08:32:13Zoai:repositorio.unesp.br:11449/229387Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T08:32:13Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
title |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
spellingShingle |
Parametric height influence analysis on thermal radiation and convection applied to real ovens Verdério Júnior, Sílvio Aparecido convection Food oven numerical simulation OpenFOAM® thermal radiation |
title_short |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
title_full |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
title_fullStr |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
title_full_unstemmed |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
title_sort |
Parametric height influence analysis on thermal radiation and convection applied to real ovens |
author |
Verdério Júnior, Sílvio Aparecido |
author_facet |
Verdério Júnior, Sílvio Aparecido Scalon, Vicente Luiz [UNESP] Oliveira, Santiago del Rio [UNESP] Avallone, Elson Mioralli, Paulo César Gonçalves, Daniel da Motta |
author_role |
author |
author2 |
Scalon, Vicente Luiz [UNESP] Oliveira, Santiago del Rio [UNESP] Avallone, Elson Mioralli, Paulo César Gonçalves, Daniel da Motta |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Ciência e Tecnologia de São Paulo (IFSP) Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Verdério Júnior, Sílvio Aparecido Scalon, Vicente Luiz [UNESP] Oliveira, Santiago del Rio [UNESP] Avallone, Elson Mioralli, Paulo César Gonçalves, Daniel da Motta |
dc.subject.por.fl_str_mv |
convection Food oven numerical simulation OpenFOAM® thermal radiation |
topic |
convection Food oven numerical simulation OpenFOAM® thermal radiation |
description |
Due to their greater flexibility in heating and high productivity, continuous tunnel-type ovens have become the best option for industrial processes. The geometric optimization of ovens to better take advantage of the heat transfer mechanisms by convection and thermal radiation is increasingly researched; with the search for designs that combine lower fuel consumption, greater efficiency and competitiveness, and lower costs. In this sense, this work studied the influence of height on heat exchanges by radiation and convection and other flow parameters to define the best geometric height for the real oven under study. From the dimensions and real operating conditions of continuous tunnel-type ovens were built five numerical models of parametric variation, which were simulated with the free and open-source software OpenFOAM®. The turbulent forced convection regime was characterized in all models. The use of greater heights in the ovens increased and intensified the recirculation regions, reduced the rates of heat transfer by thermal radiation, and reduced the losses of heat by convection. The order of magnitude of heat exchanges by radiation proved to be much higher than heat exchanges by convection, confirming the results of the main references in the technical-scientific literature. It was concluded that the use of ovens with a lower height provides significant increases in the thermal radiation heat transfer rates. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 2022-04-29T08:32:13Z 2022-04-29T08:32:13Z |
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://dx.doi.org/10.1177/09544089211037517 Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 0954-4089 http://hdl.handle.net/11449/229387 10.1177/09544089211037517 2-s2.0-85113324114 |
url |
http://dx.doi.org/10.1177/09544089211037517 http://hdl.handle.net/11449/229387 |
identifier_str_mv |
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 0954-4089 10.1177/09544089211037517 2-s2.0-85113324114 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799964803416981504 |