Study on the damping performance of magnetic fluid damper for the spacecraft

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (10) : 121-126.

Zhu Shanshan1,2, Li Decai1, Cui Hongchao, Yang Xiaoxue2

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Abstract

According to the Newton’s second law and vibration differential equation of cantilever, it designed two kinds of magnetic fluid damper which were mainly used in the spacecraft in this paper. It proved that different shape of damper, different diameter of permanent magnetic, different saturation magnetization of magnetic fluid and different quantity of magnetic fluid have influence on the damping performance based on the experiment of comparison the time of vibration elimination. It also concluded that the diameter of permanent magnetic, saturation magnetization of magnetic fluid and quantity of magnetic fluid has the optimal value in different vibration frequency, which provided the base for structure optimization for magnetic fluid damper which could make great significance for the spacecraft with low frequency and short amplitude vibration.

Key words

magnetic fluid / damper / absorber / damping performance

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Zhu Shanshan1,2, Li Decai1, Cui Hongchao, Yang Xiaoxue2. Study on the damping performance of magnetic fluid damper for the spacecraft[J]. Journal of Vibration and Shock, 2017, 36(10): 121-126

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