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      Modeling of electro-kinetic motion of Janus droplet

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      Author(s)
      Öner, S. Doğan
      Çetin, Barbaros
      Date
      2017
      Source Title
      Proceedings of the ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, ICNMM 2017
      Publisher
      ASME
      Pages
      1 - 5
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Electro-kinetic manipulation Janus particles and droplets has attracted attention in recent years due to their potential application in microfluidics. Due to the presence of two different zone on the surface of particles with different charge distribution, the motion of the Janus particles are quite different than the that of regular particles. Therefore; the fundamental understanding of this motion is the key element for the further development of the microfluidic systems with Janus particles. In present study, electro-kinetic motion of Janus droplets inside a micro-channel is modeled using boundary element formulation. 2D formulation is verified against the reported experimental data in the literature. Results show that the 2D boundary element formulation is successful for the prediction of the electrophoretic velocity of the Janus droplets. The current formulation has a potential to model non-spherical particles and to study particle-particle and particle-wall interactions.
      Keywords
      Drops
      Kinetics
      Microchannels
      Boundary element formulations
      Electro-kinetic
      Electrophoretic velocity
      Janus particles
      Key elements
      Micro fluidic system
      Nonspherical particle
      Particle-wall interactions
      Microfluidics
      Permalink
      http://hdl.handle.net/11693/37665
      Published Version (Please cite this version)
      https://doi.org/10.1115/ICNMM2017-5501
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      • Department of Mechanical Engineering 330
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