Pairwise interactions in inertially-driven one-dimensional microfluidic crystals

@inproceedings{Hood2018PairwiseII,
  title={Pairwise interactions in inertially-driven one-dimensional microfluidic crystals},
  author={Kaitlyn Hood and Marcus Roper},
  year={2018}
}
In microfluidic devices, inertia drives particles to focus on a finite number of inertial focusing streamlines. Particles on the same streamline interact to form one-dimensional microfluidic crystals (or “particle trains”). Here we develop an asymptotic theory to describe the pairwise interactions underlying the formation of a 1D crystal. Surprisingly, we show that particles assemble into stable equilibria, analogous to the motion of a damped spring. The damping of the spring is due to inertial… CONTINUE READING

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