Microscale fluidic manipulation using traveling-wave, induction electrohydrodynamics is demonstrated. A three-phase traveling-wave device fabricated for the experiments provides a temporally and spatially varying electric field which helps induce ions in a fluid subject to a temperature gradient. These ions are moved as the traveling wave propagates, resulting in a drag force being exerted on the surrounding fluid. Repulsion-type electrohydrodynamic flow is visualized in a microchannel of depth 50 μm, and results are presented in terms of velocity measurements using particle image velocimetry.
Performance Characterization of a Traveling-Wave Electrohydrodynamic Micropump
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Iverson, BD, & Garimella, SV. "Performance Characterization of a Traveling-Wave Electrohydrodynamic Micropump." Proceedings of the ASME 2008 International Mechanical Engineering Congress and Exposition. Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, Parts A and B. Boston, Massachusetts, USA. October 31–November 6, 2008. pp. 959-963. ASME. https://doi.org/10.1115/IMECE2008-67790
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