The critical conditions for thermal explosion in a system heated at a constant rate

We have analyzed the condition needed for thermal explosion to occur in a solid sample when the tem- perature of the vessel walls is raised at a constant rate. We have developed a dimensionless model that allows its direct comparison with an isoperibolic system (constant vessel wall temperature). We...

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Detalles Bibliográficos
Autores: Sánchez Rodríguez, Daniel, Farjas Silva, Jordi, Roura Grabulosa, Pere
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2017
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/14371
Acceso en línea:http://hdl.handle.net/10256/14371
Access Level:acceso abierto
Palabra clave:Calorimetria
Calorimetry
Combustió
Combustion
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spelling The critical conditions for thermal explosion in a system heated at a constant rateSánchez Rodríguez, DanielFarjas Silva, JordiRoura Grabulosa, PereCalorimetriaCalorimetryCombustióCombustionWe have analyzed the condition needed for thermal explosion to occur in a solid sample when the tem- perature of the vessel walls is raised at a constant rate. We have developed a dimensionless model that allows its direct comparison with an isoperibolic system (constant vessel wall temperature). We have obtained an analytical expression for the critical condition as a function of the system parameters. Our solution takes into account reactant consumption and covers different geometries: thin film, finite and infinite cylinder. The critical condition has been validated with numerical simulations and experiments. We show that, compared to the isoperibolic system, thermal explosion is a little bit more difficult to achieve under constant heating conditions. Besides, we show that thermal explosion on submicrometric films is nearly impossibleElsevierinfo2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion9 p.application/pdfhttp://hdl.handle.net/10256/14371© Combustion and Flame, 2017, vol. 186, p. 211-219Articles publicats (D-F)Sánchez-Rodríguez, Daniel Farjas Silva, Jordi Roura Grabulosa, Pere 2017 The critical conditions for thermal explosion in a system heated at a constant rate Combustion and Flame 186 211 219reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.combustflame.2017.08.008info:eu-repo/semantics/altIdentifier/issn/0010-2180info:eu-repo/semantics/altIdentifier/eissn/1556-2921Tots els drets reservatsinfo:eu-repo/semantics/openAccessoai:recercat.cat:10256/143712026-05-29T05:05:01Z
dc.title.none.fl_str_mv The critical conditions for thermal explosion in a system heated at a constant rate
title The critical conditions for thermal explosion in a system heated at a constant rate
spellingShingle The critical conditions for thermal explosion in a system heated at a constant rate
Sánchez Rodríguez, Daniel
Calorimetria
Calorimetry
Combustió
Combustion
title_short The critical conditions for thermal explosion in a system heated at a constant rate
title_full The critical conditions for thermal explosion in a system heated at a constant rate
title_fullStr The critical conditions for thermal explosion in a system heated at a constant rate
title_full_unstemmed The critical conditions for thermal explosion in a system heated at a constant rate
title_sort The critical conditions for thermal explosion in a system heated at a constant rate
dc.creator.none.fl_str_mv Sánchez Rodríguez, Daniel
Farjas Silva, Jordi
Roura Grabulosa, Pere
author Sánchez Rodríguez, Daniel
author_facet Sánchez Rodríguez, Daniel
Farjas Silva, Jordi
Roura Grabulosa, Pere
author_role author
author2 Farjas Silva, Jordi
Roura Grabulosa, Pere
author2_role author
author
dc.subject.none.fl_str_mv Calorimetria
Calorimetry
Combustió
Combustion
topic Calorimetria
Calorimetry
Combustió
Combustion
description We have analyzed the condition needed for thermal explosion to occur in a solid sample when the tem- perature of the vessel walls is raised at a constant rate. We have developed a dimensionless model that allows its direct comparison with an isoperibolic system (constant vessel wall temperature). We have obtained an analytical expression for the critical condition as a function of the system parameters. Our solution takes into account reactant consumption and covers different geometries: thin film, finite and infinite cylinder. The critical condition has been validated with numerical simulations and experiments. We show that, compared to the isoperibolic system, thermal explosion is a little bit more difficult to achieve under constant heating conditions. Besides, we show that thermal explosion on submicrometric films is nearly impossible
publishDate 2017
dc.date.none.fl_str_mv 2017
info
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/14371
url http://hdl.handle.net/10256/14371
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.combustflame.2017.08.008
info:eu-repo/semantics/altIdentifier/issn/0010-2180
info:eu-repo/semantics/altIdentifier/eissn/1556-2921
dc.rights.none.fl_str_mv Tots els drets reservats
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Tots els drets reservats
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 9 p.
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv © Combustion and Flame, 2017, vol. 186, p. 211-219
Articles publicats (D-F)
Sánchez-Rodríguez, Daniel Farjas Silva, Jordi Roura Grabulosa, Pere 2017 The critical conditions for thermal explosion in a system heated at a constant rate Combustion and Flame 186 211 219
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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