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Article: Macroscopic equations for vapor transport in a multi-layered unsaturated zone

TitleMacroscopic equations for vapor transport in a multi-layered unsaturated zone
Authors
KeywordsDispersion
Homogenization theory
Layered porous media
Vapor transport
Issue Date1999
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/advwatres
Citation
Advances In Water Resources, 1999, v. 22 n. 6, p. 611-622 How to Cite?
AbstractUsing the method of homogenization, we present a systematic derivation of the macroscopic equations for air flow and chemical vapor transport in an unsaturated zone with a periodic structure of heterogeneity. The effective specific discharge and hydrodynamic dispersion coefficient are expressible in terms of some cell functions, whose analytical solutions are sought for the simple case of alternate stacking of two strictly plane layers of different properties. For this kind of bi-layered composite, the effects of convection velocity and layer property contrasts on the longitudinal and transverse components of the hydrodynamic dispersion coefficient are investigated.
Persistent Identifierhttp://hdl.handle.net/10722/75723
ISSN
2015 Impact Factor: 4.349
2015 SCImago Journal Rankings: 2.408
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, COen_HK
dc.date.accessioned2010-09-06T07:13:56Z-
dc.date.available2010-09-06T07:13:56Z-
dc.date.issued1999en_HK
dc.identifier.citationAdvances In Water Resources, 1999, v. 22 n. 6, p. 611-622en_HK
dc.identifier.issn0309-1708en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75723-
dc.description.abstractUsing the method of homogenization, we present a systematic derivation of the macroscopic equations for air flow and chemical vapor transport in an unsaturated zone with a periodic structure of heterogeneity. The effective specific discharge and hydrodynamic dispersion coefficient are expressible in terms of some cell functions, whose analytical solutions are sought for the simple case of alternate stacking of two strictly plane layers of different properties. For this kind of bi-layered composite, the effects of convection velocity and layer property contrasts on the longitudinal and transverse components of the hydrodynamic dispersion coefficient are investigated.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/advwatresen_HK
dc.relation.ispartofAdvances in Water Resourcesen_HK
dc.subjectDispersionen_HK
dc.subjectHomogenization theoryen_HK
dc.subjectLayered porous mediaen_HK
dc.subjectVapor transporten_HK
dc.titleMacroscopic equations for vapor transport in a multi-layered unsaturated zoneen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0309-1708&volume=22&issue=6&spage=611&epage=622&date=1999&atitle=Macroscopic+equations+for+vapor+transport+in+a+multi-layered+unsaturated+zoneen_HK
dc.identifier.emailNg, CO:cong@hku.hken_HK
dc.identifier.authorityNg, CO=rp00224en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0309-1708(98)00034-7en_HK
dc.identifier.scopuseid_2-s2.0-0033599344en_HK
dc.identifier.hkuros41053en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033599344&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue6en_HK
dc.identifier.spage611en_HK
dc.identifier.epage622en_HK
dc.identifier.isiWOS:000079211500006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridNg, CO=7401705594en_HK

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