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dc.contributor.authorNguyen, Nam-Trungen
dc.contributor.authorBeyzavi, Alien
dc.contributor.authorNg, Kon Mengen
dc.contributor.authorHuang, Xiaoyangen
dc.identifier.citationNguyen, N.-T., Beyzavi, A., Ng, K. M., & Huang, X. (2007). Kinematics and deformation of ferrofluid droplets under magnetic actuation. Microfluidics and nanofluidics, 3(5), 571-579.en
dc.description.abstractThis paper reports the experimental results on kinematics and deformation of ferrofluid droplets driven by planar coils. Ferrofluid droplets act as liquid magnets, which can be controlled and manipulated by an external magnetic field. In our experiments, the magnetic field was generated by two pairs of planar coils, which were fabricated on a double-sided printed circuit board. The first pair of coils constrains the ferrofluid droplet to a one-dimensional motion. The second pair generates the magnetic gradient needed for the droplet motion. The direction of the motion can be controlled by changing the sign of the gradient or of the driving current. Kinematic characteristics of the droplet such as the velocity–position diagram and the aspect ratio of the droplet are investigated. The analysis and discussion are based on the different parameters such as the droplet size, the viscosity of the surrounding medium, and the driving current. This simple actuation concept would allow the implementation of lab-on-a-chip platforms based on ferrofluid droplets.en
dc.format.extent9 p.en
dc.relation.ispartofseriesMicrofluidics and nanofluidicsen
dc.rights© 2007 Springer-Verlag.en
dc.subjectDRNTU::Engineering::Mechanical engineering::Fluid mechanicsen
dc.titleKinematics and deformation of ferrofluid droplets under magnetic actuationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
item.fulltextNo Fulltext-
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