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Article: Mass transport in a thin layer of Bi-viscous mud under surface waves

TitleMass transport in a thin layer of Bi-viscous mud under surface waves
Authors
KeywordsBi-viscous model
Bingham plastic
Mass transport velocity
Negative streaming
Issue Date2002
PublisherHaiyang Chubanshe.
Citation
China Ocean Engineering, 2002, v. 16 n. 4, p. 423-436 How to Cite?
AbstractThe mass transport in a thin layer of non-Newtonian bed mud under surface waves is examined with a two-fluid Stokes boundary layer model. The mud is assumed to be a bi-viscous fluid, which tends to resist motion for small-applied stresses, but flows readily when the yield stress is exceeded. Asymptotic expansions suitable for shallow fluid layers are applied, and the second-order solutions for the mass transport induced by surface progressive waves are obtained numerically. It is found that the stronger the non-Newtonian behavior of the mud, the more pronounced intermittency of the flow. Consequently, the mass transport velocity is diminished in magnitude, and can even become negative (i.e., opposite to wave propagation) for a certain range of yield stress.
Persistent Identifierhttp://hdl.handle.net/10722/75803
ISSN
2015 Impact Factor: 0.435
2015 SCImago Journal Rankings: 0.422

 

DC FieldValueLanguage
dc.contributor.authorNg, COen_HK
dc.contributor.authorFu, SCen_HK
dc.contributor.authorBai, YCen_HK
dc.date.accessioned2010-09-06T07:14:43Z-
dc.date.available2010-09-06T07:14:43Z-
dc.date.issued2002en_HK
dc.identifier.citationChina Ocean Engineering, 2002, v. 16 n. 4, p. 423-436en_HK
dc.identifier.issn0890-5487en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75803-
dc.description.abstractThe mass transport in a thin layer of non-Newtonian bed mud under surface waves is examined with a two-fluid Stokes boundary layer model. The mud is assumed to be a bi-viscous fluid, which tends to resist motion for small-applied stresses, but flows readily when the yield stress is exceeded. Asymptotic expansions suitable for shallow fluid layers are applied, and the second-order solutions for the mass transport induced by surface progressive waves are obtained numerically. It is found that the stronger the non-Newtonian behavior of the mud, the more pronounced intermittency of the flow. Consequently, the mass transport velocity is diminished in magnitude, and can even become negative (i.e., opposite to wave propagation) for a certain range of yield stress.en_HK
dc.languageengen_HK
dc.publisherHaiyang Chubanshe.en_HK
dc.relation.ispartofChina Ocean Engineeringen_HK
dc.subjectBi-viscous modelen_HK
dc.subjectBingham plasticen_HK
dc.subjectMass transport velocityen_HK
dc.subjectNegative streamingen_HK
dc.titleMass transport in a thin layer of Bi-viscous mud under surface wavesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0890-5487&volume=16&issue=4&spage=423&epage=436&date=2002&atitle=Mass+transport+in+a+thin+layer+of+bi-viscous+mud+under+surface+wavesen_HK
dc.identifier.emailNg, CO:cong@hku.hken_HK
dc.identifier.authorityNg, CO=rp00224en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0036926432en_HK
dc.identifier.hkuros78467en_HK
dc.identifier.volume16en_HK
dc.identifier.issue4en_HK
dc.identifier.spage423en_HK
dc.identifier.epage436en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridNg, CO=7401705594en_HK
dc.identifier.scopusauthoridFu, SC=8081274900en_HK
dc.identifier.scopusauthoridBai, YC=7402572067en_HK

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