Inertial migrations of cylindrical particles in rectangular microchannels: Variations of equilibrium positions and equivalent diameters
نویسندگان
چکیده
منابع مشابه
Inertial focusing of spherical particles in rectangular microchannels over a wide range of Reynolds numbers.
Inertial microfluidics has emerged as an important tool for manipulating particles and cells. For a better design of inertial microfluidic devices, we conduct 3D direct numerical simulations (DNS) and experiments to determine the complicated dependence of focusing behaviour on the particle size, channel aspect ratio, and channel Reynolds number. We find that the well-known focusing of the parti...
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Continuous inertial focusing, ordering, and separation of particles in microchannels.
Under laminar flow conditions, when no external forces are applied, particles are generally thought to follow fluid streamlines. Contrary to this perspective, we observe that flowing particles migrate across streamlines in a continuous, predictable, and accurate manner in microchannels experiencing laminar flows. The migration is attributed to lift forces on particles that are observed when ine...
متن کاملInertial migration of neutrally buoyant particles in a square duct: An investigation of multiple equilibrium positions
Inertial migration of neutrally buoyant particles in a square duct has been investigated by numerical simulation in the range of Reynolds numbers from 100 to 1000. Particles migrate to one of a small number of equilibrium positions in the cross-sectional plane, located near a corner or at the center of an edge. In dilute suspensions, trains of particles are formed along the axis of the flow, ne...
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ژورنال
عنوان ژورنال: Physics of Fluids
سال: 2018
ISSN: 1070-6631,1089-7666
DOI: 10.1063/1.5018714