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首页> 外文期刊>Science and Technology of Advanced Materials >Real-time observation of Brownian motion and cluster movement of ferro- and non-magnetic particles in magnetic fluids
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Real-time observation of Brownian motion and cluster movement of ferro- and non-magnetic particles in magnetic fluids

机译：实时观察磁性流体中铁磁性和非磁性粒子的布朗运动和团簇运动

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摘要

Cluster movements of ferro- and non-magnetic particles in magnetic fluids were investigated using optical microscope system and image processing system. Real-time visualizations of the Brownian motion of particles and the chain-like cluster movement of both types of particle were performed under a magnetic field. The principal objectives of this study were to clarify the applicability of the optical microscope system and image processing system, and to analyze the growth process of the cluster under magnetic field. The analysis of particle image was done using Particle Tracking Velocimetry (PTV). The results clarified that the real-time observation of Brownian motion and cluster movement of ferro- and non-magnetic particles in magnetic fluids can be carried out using the optical microscope system and the PTV image measurement. Independent continuous measurements with changing positions and velocity of the minute particle were made possible. The study concluded that the system can obtain satisfactory results on growth process measurement of cluster under a magnetic field.
机译：使用光学显微镜系统和图像处理系统研究了铁和非磁性粒子在磁性流体中的团簇运动。在磁场下实时观察粒子的布朗运动和两种类型的粒子的链状簇运动。这项研究的主要目的是阐明光学显微镜系统和图像处理系统的适用性，并分析在磁场下簇的生长过程。使用粒子跟踪测速仪（PTV）对粒子图像进行分析。结果表明，可以使用光学显微镜系统和PTV图像测量来实时观察磁性流体中铁磁性和非磁性粒子的布朗运动和簇运动。通过改变微小颗粒的位置和速度，可以进行独立的连续测量。研究结论表明，该系统在磁场作用下簇的生长过程测量中可以获得满意的结果。

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