A micro-fluidic technique has been developed that uses a combination of dielectorphoresis and tangential flow to remove particles from a filter membrane. To assess the characteristics of particle motion at the membrane surface, a volume scanning imaging system has been developed to track the three-dimensional motion of particles in this micro-channel flow. The development of the image and tracking system is described and results highlighting experimental application of the technique are presented.
Volume Subject Area:Forum on Fluid Measurements and Instrumentation
Keywords:dielectrophoresis, PTV, micro-channel flows
Topics:Microchannel flow, Particulate matter
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