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Article: Mass transport due to oscillatory flow through a prestressed viscoelastic tube with a retentive and absorptive wall

TitleMass transport due to oscillatory flow through a prestressed viscoelastic tube with a retentive and absorptive wall
Authors
KeywordsHigh-frequency ventilation
Homogenization technique
Taylor dispersion
Issue Date2011
PublisherElsevier France, Editions Scientifiques et Medicales. The Journal's web site is located at http://www.elsevier.com/locate/ejmflu
Citation
European Journal Of Mechanics, B/Fluids, 2011, v. 30 n. 2, p. 195-205 How to Cite?
AbstractAn asymptotic analysis is presented for the mass transport of a solute due to volume-cycled oscillatory flow in a prestressed and viscoelastic tube with a reactive wall layer (wall retention and absorption). Based on the homogenization technique, the convectiondiffusion transport equation is derived for the developed time-mean concentration, containing the effective transport coefficients of advection and dispersion as functions of oscillation frequency, initial stresses, viscoelasticity of the wall, and the two wall reactions. The present model as applied to gas transport in pulmonary airways under high-frequency ventilation is examined in detail, through comparison with a model in the literature. The dispersion coefficient is independent of the wall properties if the tube is tethered. The gas transport rate is found to be enhanced monotonically when either the reversible phase partitioning or its exchange rate increases. © 2010 Elsevier Masson SAS. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/142371
ISSN
2015 Impact Factor: 1.418
2015 SCImago Journal Rankings: 0.748
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU 715609E
University of Hong Kong200807176081
Funding Information:

The work was supported by the Research Grants Council of the Hong Kong Special Administrative Region, China, through Project No. HKU 715609E, and also by the University of Hong Kong through the Small Project Funding Scheme under Project Code 200807176081.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorMa, Yen_HK
dc.contributor.authorNg, COen_HK
dc.date.accessioned2011-10-28T02:44:28Z-
dc.date.available2011-10-28T02:44:28Z-
dc.date.issued2011en_HK
dc.identifier.citationEuropean Journal Of Mechanics, B/Fluids, 2011, v. 30 n. 2, p. 195-205en_HK
dc.identifier.issn0997-7546en_HK
dc.identifier.urihttp://hdl.handle.net/10722/142371-
dc.description.abstractAn asymptotic analysis is presented for the mass transport of a solute due to volume-cycled oscillatory flow in a prestressed and viscoelastic tube with a reactive wall layer (wall retention and absorption). Based on the homogenization technique, the convectiondiffusion transport equation is derived for the developed time-mean concentration, containing the effective transport coefficients of advection and dispersion as functions of oscillation frequency, initial stresses, viscoelasticity of the wall, and the two wall reactions. The present model as applied to gas transport in pulmonary airways under high-frequency ventilation is examined in detail, through comparison with a model in the literature. The dispersion coefficient is independent of the wall properties if the tube is tethered. The gas transport rate is found to be enhanced monotonically when either the reversible phase partitioning or its exchange rate increases. © 2010 Elsevier Masson SAS. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier France, Editions Scientifiques et Medicales. The Journal's web site is located at http://www.elsevier.com/locate/ejmfluen_HK
dc.relation.ispartofEuropean Journal of Mechanics, B/Fluidsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in European Journal of Mechanics B - Fluids. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Journal of Mechanics B - Fluids, 2011, v. 30 n. 2, p. 195-205. DOI: 10.1016/j.euromechflu.2010.11.004-
dc.subjectHigh-frequency ventilationen_HK
dc.subjectHomogenization techniqueen_HK
dc.subjectTaylor dispersionen_HK
dc.titleMass transport due to oscillatory flow through a prestressed viscoelastic tube with a retentive and absorptive wallen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0997-7546&volume=30&issue=2&spage=195&epage=205&date=2011&atitle=Mass+transport+due+to+oscillatory+flow+through+a+prestressed+viscoelastic+tube+with+a+retentive+and+absorptive+wallen_US
dc.identifier.emailNg, CO:cong@hku.hken_HK
dc.identifier.authorityNg, CO=rp00224en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.euromechflu.2010.11.004en_HK
dc.identifier.scopuseid_2-s2.0-79551498237en_HK
dc.identifier.hkuros184330en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79551498237&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume30en_HK
dc.identifier.issue2en_HK
dc.identifier.spage195en_HK
dc.identifier.epage205en_HK
dc.identifier.isiWOS:000287900200007-
dc.publisher.placeFranceen_HK
dc.relation.projectA homogenization-based model for roughness-induced apparent slip-
dc.identifier.scopusauthoridMa, Y=26657465200en_HK
dc.identifier.scopusauthoridNg, CO=7401705594en_HK
dc.identifier.citeulike8383561-

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