微流控转子地毯中的同步和集体动力学
Synchronization and Collective Dynamics in a Carpet of Microfluidic Rotors
摘要：
我们研究了一个由流体动力相互作用耦合的基片上的转子阵列的同步。由有效刚体建模的转子由内部扭矩驱动并对周围流体施加主动力。转子之间的流体动力相互作用的长程性质导致了丰富的动力学行为模式，包括相序和湍流螺旋波。该模型提供了一个新的例子耦合振荡器与远程相互作用。我们的研究结果建议的策略，设计可控的微流体混合器使用的流体动力学耦合的活性成分的紧急行为。
英文摘要：
We study synchronization of an array of rotors on a substrate that are coupled by hydrodynamic interaction. The rotors that are modeled by an effective rigid body, are 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 turbulent spiral waves. The model provides a novel example of coupled oscillators with long-range interaction. Our results suggest strategies for designing controllable microfluidic mixers using the emergent behavior of hydrodynamically coupled active components.
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