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首页> 外文期刊>IEEE Transactions on Magnetics >On the Role of Size Differences in Synchronized Motion of Magnetic Particles in Fluid: A Study on Trimers
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On the Role of Size Differences in Synchronized Motion of Magnetic Particles in Fluid: A Study on Trimers

机译：尺寸差异在流体中磁性颗粒同步运动的作用：三聚体研究

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摘要

Synchronized motion and pattern formation of magnetic particle aggregates in variable magnetic field is of growing interest from the point of view of both fundamental science and its applications. In this article, the role of size differences in synchronized motion of magnetic particles under external rotating magnetic field at low Reynolds number flow regimes is considered. Several different motion regimes are observed in simulations as a function of particle size differences and field rotation rate. Simulation indicates phase-like transitions between different motion regimes when particle size differences become significant. It is also shown that particle size differences permit the possibility of locomotion for particle aggregates which cannot be observed for uniform particle sizes.
机译：可变磁场中的磁颗粒聚集体的同步运动和图案形成从基本科学及其应用的角度来看，越来越感兴趣。在本文中，考虑了在低雷诺数流量方面的外部旋转磁场下磁性颗粒的同步运动的尺寸差异的作用。模拟中观察到几种不同的运动制度，作为粒度差异和场旋转速率的函数。模拟表示当粒度差异变得显着时不同运动状态之间的相位转换。还表明，粒度差差允许对于均匀粒度不能观察到的颗粒聚集体的运动的可能性。

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