Synchronization and collective dynamics in a carpet of microfluidic rotors

Nariya Uchida, Ramin Golestanian

Research output: Contribution to journalArticlepeer-review

80 Citations (Scopus)

Abstract

We study synchronization of an array of rotors on a substrate that are coupled by hydrodynamic interaction. Each rotor, which is modeled by an effective rigid body, is driven by an internal torque and exerts an active force on the surrounding fluid. The long-ranged nature of the hydrodynamic interaction between the rotors causes a rich pattern of dynamical behaviors including phase ordering and self-proliferating spiral waves. Our results suggest strategies for designing controllable microfluidic mixers using the emergent behavior of hydrodynamically coupled active components.

Original languageEnglish
Article number178103
JournalPhysical Review Letters
Volume104
Issue number17
DOIs
Publication statusPublished - 2010 Apr 26

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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