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日本機械学会論文集 B編
Vol. 71 (2005) No. 703 P 869-876

記事言語:

http://doi.org/10.1299/kikaib.71.869


A basic experimental study was carried out to investigate the parameters in a vibration equation of a viscous damper utilizing a magnetic responsive fluid in order to design a semi-active viscous damper. We used the magnetic piston which has made with alternating layers of magnet and non-magnetic material disks for particles of the fluids not to sediment. To clarify the damping effect, we measured a frequency response and a relationship between inertia force and displacement. The results of the dynamic characteristic of the damper can be explained by the cluster of particles aggregated like a chain in the fluid. We also clarify that MCF is suitable for the damper. The damping effect is strongly influenced by an apparent density around the piston of the damper.

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