空间飞行器磁性液体阻尼减振器减振性能的研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (10) : 121-126.

论文

朱姗姗1,2，李德才1，崔红超1，杨晓雪2

作者信息 +

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

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

Author information +

文章历史 +

摘要

结合弹性悬臂梁的振动微分方程，根据牛顿第二定律和液体的连续性方程，设计了两种用于空间飞行器的磁性液体阻尼减振器的外形结构，分析其对减振性能的影响；并且通过采用不同直径的永磁体、不同的磁性液体饱和磁化强度、不同磁性液体注入量实验分析对比减振器的消振时间，得出不同振动频率下，永磁体直径尺寸、磁性液体饱和磁化强度以及磁性液体注入量均存在最佳值。为用于空间站飞行器中许多低频率、小位移的太阳能帆板、卫星天线的磁性液体阻尼减振器结构优化提供了一定的依据。

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.

导出引用

朱姗姗1,2，李德才1，崔红超1，杨晓雪2. 空间飞行器磁性液体阻尼减振器减振性能的研究[J]. 振动与冲击, 2017, 36(10): 121-126

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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