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Article: Characteristic analysis of low-velocity gas filtration combustion in an inert packed bed

TitleCharacteristic analysis of low-velocity gas filtration combustion in an inert packed bed
Authors
KeywordsAnalytical Solution
Characteristic Analysis
Combustion Wave Velocity
Filtration Combustion
Porous Media
Issue Date2006
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/13647830.asp
Citation
Combustion Theory and Modelling, 2006, v. 10 n. 4, p. 683-700 How to Cite?
AbstractThis paper investigates the low-velocity filtration combustion of lean methane-air mixtures occurring in inert packed beds by using a modified one-temperature model, considering the axial thermal diffusion owing to the convective gas-solid heat transfer. Based on the scaling analysis of various transport terms in different conservation equations, a high-activation energy asymptotic method is applied in the flame zone and results in a set of powerful analytical solutions for combustion macrocharacteristics under the fully developed conditions. These are then combined with the eigenvalue method of the modified one-temperature model in the whole flow region to study the flame behaviour analytically and numerically. Our results have shown that the combustion wave velocity is a key characteristic parameter in the filtration combustion process. Compared with other existing theoretical results, the present analytical solutions demonstrate the intricate relationships among the combustion wave velocity, the flame speed, the peak flame temperature and the effects of the variable thermo-physical properties, and show better prediction performance for the combustion wave velocity, the flame speed and the peak flame temperature. Excellent agreements with experimental results have been observed, especially for very lean filtration combustion with stream-wise propagating combustion fronts.
Persistent Identifierhttp://hdl.handle.net/10722/90776
ISSN
2015 Impact Factor: 2.23
2015 SCImago Journal Rankings: 1.854
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Gen_HK
dc.contributor.authorCai, Xen_HK
dc.contributor.authorLiu, Men_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorChen, Yen_HK
dc.contributor.authorWang, Len_HK
dc.date.accessioned2010-09-17T10:08:12Z-
dc.date.available2010-09-17T10:08:12Z-
dc.date.issued2006en_HK
dc.identifier.citationCombustion Theory and Modelling, 2006, v. 10 n. 4, p. 683-700en_HK
dc.identifier.issn1364-7830en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90776-
dc.description.abstractThis paper investigates the low-velocity filtration combustion of lean methane-air mixtures occurring in inert packed beds by using a modified one-temperature model, considering the axial thermal diffusion owing to the convective gas-solid heat transfer. Based on the scaling analysis of various transport terms in different conservation equations, a high-activation energy asymptotic method is applied in the flame zone and results in a set of powerful analytical solutions for combustion macrocharacteristics under the fully developed conditions. These are then combined with the eigenvalue method of the modified one-temperature model in the whole flow region to study the flame behaviour analytically and numerically. Our results have shown that the combustion wave velocity is a key characteristic parameter in the filtration combustion process. Compared with other existing theoretical results, the present analytical solutions demonstrate the intricate relationships among the combustion wave velocity, the flame speed, the peak flame temperature and the effects of the variable thermo-physical properties, and show better prediction performance for the combustion wave velocity, the flame speed and the peak flame temperature. Excellent agreements with experimental results have been observed, especially for very lean filtration combustion with stream-wise propagating combustion fronts.en_HK
dc.languageengen_HK
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/13647830.aspen_HK
dc.relation.ispartofCombustion Theory and Modellingen_HK
dc.subjectAnalytical Solutionen_HK
dc.subjectCharacteristic Analysisen_HK
dc.subjectCombustion Wave Velocityen_HK
dc.subjectFiltration Combustionen_HK
dc.subjectPorous Mediaen_HK
dc.titleCharacteristic analysis of low-velocity gas filtration combustion in an inert packed beden_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/13647830600647426en_HK
dc.identifier.scopuseid_2-s2.0-33747113335en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33747113335&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.issue4en_HK
dc.identifier.spage683en_HK
dc.identifier.epage700en_HK
dc.identifier.eissn1741-3559-
dc.identifier.isiWOS:000238763900008-

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