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Conference Paper: Mass Transport Velocity of Bi-viscous Mud Under Progressive Waves

TitleMass Transport Velocity of Bi-viscous Mud Under Progressive Waves
Authors
KeywordsBi-viscous model
Bingham plastic
Mass transport velocity
Negative streaming
Issue Date2002
PublisherISOPE.
Citation
Proceedings Of The International Offshore And Polar Engineering Conference, 2002, v. 12, p. 680-683 How to Cite?
AbstractThe mass transport of a thin layer of non-Newtonian bed mud under surface waves is examined using 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 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 the wave propagation) for a certain range of the yield stress.
Persistent Identifierhttp://hdl.handle.net/10722/100514
References

 

DC FieldValueLanguage
dc.contributor.authorNg, COen_HK
dc.contributor.authorFu, SCen_HK
dc.date.accessioned2010-09-25T19:12:59Z-
dc.date.available2010-09-25T19:12:59Z-
dc.date.issued2002en_HK
dc.identifier.citationProceedings Of The International Offshore And Polar Engineering Conference, 2002, v. 12, p. 680-683en_HK
dc.identifier.urihttp://hdl.handle.net/10722/100514-
dc.description.abstractThe mass transport of a thin layer of non-Newtonian bed mud under surface waves is examined using 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 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 the wave propagation) for a certain range of the yield stress.en_HK
dc.languageengen_HK
dc.publisherISOPE.en_HK
dc.relation.ispartofProceedings of the International Offshore and Polar Engineering Conferenceen_HK
dc.subjectBi-viscous modelen_HK
dc.subjectBingham plasticen_HK
dc.subjectMass transport velocityen_HK
dc.subjectNegative streamingen_HK
dc.titleMass Transport Velocity of Bi-viscous Mud Under Progressive Wavesen_HK
dc.typeConference_Paperen_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-s2.0-1842530905en_HK
dc.identifier.hkuros68314en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1842530905&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.spage680en_HK
dc.identifier.epage683en_HK
dc.identifier.scopusauthoridNg, CO=7401705594en_HK
dc.identifier.scopusauthoridFu, SC=8081274900en_HK

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