Nonequilibrium Dynamics and Magnetoviscosity of Moderately Concentrated Magnetic Liquids: A dynamic Mean-field Study

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dc.contributor.authorIlg, Patrick
dc.contributor.authorHess, Siegfried
dc.date.accessioned2018-10-02T14:02:30Z
dc.date.available2018-10-02T14:02:30Z
dc.date.issued2003
dc.description.abstractA mean-field Fokker-Planck equation approach to the dynamics of ferrofluids in the presence of a magnetic field and velocity gradients is proposed that incorporates magnetic dipole-dipole interactions of the colloidal particles. The model allows to study the combined effect of a magnetic field and dipolar interactions on the viscosity of the ferrofluid. It is found that dipolar interactions lead to additional non-Newtonian contributions to the stress tensor, which modify the behavior of the non-interacting system. The predictions of the present model are in qualitative agreement with experimental results, such as the enhancement as well as the different anisotropy of the magnetoviscous effect and the dependence on the symmetric velocity gradient.en
dc.description.sponsorshipDFG, SPP 1104, Kolloidale magnetische Flüssigkeiten: Grundlagen, Entwicklung und Anwendung neuartiger Ferrofluideen
dc.identifier.eissn1865-7109
dc.identifier.issn0932-0784
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/8271
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-7422
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/
dc.subject.ddc530 Physikde
dc.subject.otherhydrodynamicsen
dc.subject.othermagnetic liquidsen
dc.subject.otherrotational flowen
dc.subject.othersuspensionsen
dc.subject.otherslurriesen
dc.titleNonequilibrium Dynamics and Magnetoviscosity of Moderately Concentrated Magnetic Liquids: A dynamic Mean-field Studyen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.doi10.1515/zna-2003-1101
dcterms.bibliographicCitation.issue11
dcterms.bibliographicCitation.journaltitleZeitschrift für Naturforschung Ade
dcterms.bibliographicCitation.originalpublishernameDe Gruyteren
dcterms.bibliographicCitation.originalpublisherplaceBerlinen
dcterms.bibliographicCitation.pageend600
dcterms.bibliographicCitation.pagestart589
dcterms.bibliographicCitation.volume58
tub.accessrights.dnbfree
tub.affiliationFak. 2 Mathematik und Naturwissenschaften::Inst. Theoretische Physikde
tub.affiliation.facultyFak. 2 Mathematik und Naturwissenschaftende
tub.affiliation.instituteInst. Theoretische Physikde
tub.publisher.universityorinstitutionTechnische Universität Berlinde

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