流体工学部門講演会講演論文集
Online ISSN : 2424-2896
セッションID: 1108
会議情報
1108 MR流体のせん断流れモードでの粒子クラスター挙動の可視化装置の開発と観察
中野 政身戸塚 厚佐藤 忠一郎野間 淳一
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会議録・要旨集 フリー

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A magnetic field applicable MR fluid shear flow device consisting of circular gap between rotational and fixed disks has been developed to visualize the formation and breaking behavior of the particle cluster or column in shear flow mode of MR fluids under relatively strong magnetic field up to about 0.8 T. The closed magnetic circuit with less magnetic loss is designed to apply a strong uniform magnetic field to the MR fluid filled in the circular gap between rotational and fixed disks using the JMAG magnetic field analysis software. The rotational disk is driven to induce the shear flow at a constant shear rate by a speed controlled motor. In this paper, the details of the design are described and the measured magnetic field applied to the MR fluid are compared to the numerical estimated results. The developed MR fluid shear flow device successfully performed the visualization of the formation and breaking behavior of the particle column in the shear flow mode.
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