磁性流体アクティブダンパに関する基礎研究

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タイトル別名
  • Study on Active Damper with a Magnetic Fluid.
  • ジセイ リュウタイ アクティブ ダンパ ニ カンスル キソ ケンキュウ

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Study on control of vibration of a spring-mass system is conducted. A cylinder forced to vibrate is filled with a magnetic fluid and a piston immersed in the magnetic fluid is attached to the mass. The magnetic field necessary for stopping vibration of the mass is predicted. Validity of the prediction is proved by numerical experiments, where equations of motion for the spring-mass system and the axisymmetric flow of the magnetic fluid are simultaneously solved. The magnetic field generated by a couple of coils can effectively damp transient vibration and control steady vibration to be extremely small.

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