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Nonlinear deformation of a ferrofluid droplet in a uniform magnetic field.

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Nonlinear deformation of a ferrofluid droplet in a uniform magnetic field.

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dc.contributor.author Zhu, Gui-Ping.
dc.contributor.author Nguyen, Nam-Trung.
dc.contributor.author Ramanujan, Raju V.
dc.contributor.author Huang, Xiaoyang.
dc.date.accessioned 2012-04-13T00:47:03Z
dc.date.available 2012-04-13T00:47:03Z
dc.date.copyright 2011
dc.date.issued 2012-04-13
dc.identifier.citation Zhu, G. P., Nguyen, N. T., Ramanujan, R. V. & Huang, X. Y. (2011) Nonlinear Deformation of a Ferrofluid Droplet in a Uniform Magnetic Field. Langmuir, 27 (24), 14834–14841.
dc.identifier.uri http://hdl.handle.net/10220/7777
dc.description.abstract This paper reports experimental and numerical results of the deformation of a ferrofluid droplet on a superhydrophobic surface under the effect of a uniform magnetic field. A water-based ferrofluid droplet surrounded by immiscible mineral oil was stretched by a magnetic field parallel to the substrate surface. The results show that an increasing flux density increases the droplet width and decreases the droplet height. A numerical model was established to study the equilibrium shape of the ferrofluid droplet. The governing equations for physical fields, including the magnetic field, are solved by the finite volume method. The interface between the two immiscible liquids was tracked by the level-set method. Nonlinear magnetization was implemented in the model. Comparison between experimental and numerical results shows that the numerical model can predict well the nonlinear deformation of a ferrofluid droplet in a uniform magnetic field.
dc.format.extent 22 p.
dc.language.iso en
dc.relation.ispartofseries Langmuir
dc.rights © 2011 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by Langmuir, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1021/la203931q].
dc.subject DRNTU::Engineering::Mechanical engineering.
dc.title Nonlinear deformation of a ferrofluid droplet in a uniform magnetic field.
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org/10.1021/la203931q
dc.description.version Accepted version

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