3D CFD simulations of steam reforming with resolved intraparticle reaction and gradients
Computational fluid dynamics (CFD) simulations are reported for flow, diffusion, reaction and heat transfer in a 120 ∘ segment of an N = 4 packed tube for the endothermic methane steam reforming reaction. The present work improves on previous approaches by explicit inclusion of intraparticle effects...
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| Veröffentlicht in: | Chemical engineering science 2007-09, Vol.62 (18), p.4963-4966 |
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| container_end_page | 4966 |
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| container_issue | 18 |
| container_start_page | 4963 |
| container_title | Chemical engineering science |
| container_volume | 62 |
| creator | Dixon, Anthony G. Ertan Taskin, M. Hugh Stitt, E. Nijemeisland, Michiel |
| description | Computational fluid dynamics (CFD) simulations are reported for flow, diffusion, reaction and heat transfer in a
120
∘
segment of an
N
=
4
packed tube for the endothermic methane steam reforming reaction. The present work improves on previous approaches by explicit inclusion of intraparticle effects (conduction, species diffusion and reaction) coupled to realistic 3D external flow and temperature fields. It is shown that the usual assumption of symmetric species and temperature fields inside spherical catalyst particles holds for particles away from the tube wall, but particles placed in the strong temperature gradient near the tube wall show significant deviations. |
| doi_str_mv | 10.1016/j.ces.2006.11.052 |
| format | Article |
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120
∘
segment of an
N
=
4
packed tube for the endothermic methane steam reforming reaction. The present work improves on previous approaches by explicit inclusion of intraparticle effects (conduction, species diffusion and reaction) coupled to realistic 3D external flow and temperature fields. It is shown that the usual assumption of symmetric species and temperature fields inside spherical catalyst particles holds for particles away from the tube wall, but particles placed in the strong temperature gradient near the tube wall show significant deviations.</description><identifier>ISSN: 0009-2509</identifier><identifier>EISSN: 1873-4405</identifier><identifier>DOI: 10.1016/j.ces.2006.11.052</identifier><identifier>CODEN: CESCAC</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Catalysis ; Catalyst design ; Catalytic reactions ; Chemical engineering ; Chemical reactors ; Chemistry ; Computational fluid dynamics ; Exact sciences and technology ; General and physical chemistry ; Heat and mass transfer. Packings, plates ; Heat transfer ; Packed bed ; Reaction engineering ; Reactors ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Chemical engineering science, 2007-09, Vol.62 (18), p.4963-4966</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-af6df8f992a77ddf5daab5ff7a9fa316378e7e9be1fcf323abb0d88cb109e54e3</citedby><cites>FETCH-LOGICAL-c389t-af6df8f992a77ddf5daab5ff7a9fa316378e7e9be1fcf323abb0d88cb109e54e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ces.2006.11.052$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3548,23929,23930,25139,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19050529$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Dixon, Anthony G.</creatorcontrib><creatorcontrib>Ertan Taskin, M.</creatorcontrib><creatorcontrib>Hugh Stitt, E.</creatorcontrib><creatorcontrib>Nijemeisland, Michiel</creatorcontrib><title>3D CFD simulations of steam reforming with resolved intraparticle reaction and gradients</title><title>Chemical engineering science</title><description>Computational fluid dynamics (CFD) simulations are reported for flow, diffusion, reaction and heat transfer in a
120
∘
segment of an
N
=
4
packed tube for the endothermic methane steam reforming reaction. The present work improves on previous approaches by explicit inclusion of intraparticle effects (conduction, species diffusion and reaction) coupled to realistic 3D external flow and temperature fields. It is shown that the usual assumption of symmetric species and temperature fields inside spherical catalyst particles holds for particles away from the tube wall, but particles placed in the strong temperature gradient near the tube wall show significant deviations.</description><subject>Applied sciences</subject><subject>Catalysis</subject><subject>Catalyst design</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemical reactors</subject><subject>Chemistry</subject><subject>Computational fluid dynamics</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Heat and mass transfer. Packings, plates</subject><subject>Heat transfer</subject><subject>Packed bed</subject><subject>Reaction engineering</subject><subject>Reactors</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Packings, plates</topic><topic>Heat transfer</topic><topic>Packed bed</topic><topic>Reaction engineering</topic><topic>Reactors</topic><topic>Theory of reactions, general kinetics. Catalysis. 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120
∘
segment of an
N
=
4
packed tube for the endothermic methane steam reforming reaction. The present work improves on previous approaches by explicit inclusion of intraparticle effects (conduction, species diffusion and reaction) coupled to realistic 3D external flow and temperature fields. It is shown that the usual assumption of symmetric species and temperature fields inside spherical catalyst particles holds for particles away from the tube wall, but particles placed in the strong temperature gradient near the tube wall show significant deviations.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ces.2006.11.052</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0009-2509 |
| ispartof | Chemical engineering science, 2007-09, Vol.62 (18), p.4963-4966 |
| issn | 0009-2509 1873-4405 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_30091192 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Catalysis Catalyst design Catalytic reactions Chemical engineering Chemical reactors Chemistry Computational fluid dynamics Exact sciences and technology General and physical chemistry Heat and mass transfer. Packings, plates Heat transfer Packed bed Reaction engineering Reactors Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | 3D CFD simulations of steam reforming with resolved intraparticle reaction and gradients |
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