| 旋转轴的磁性流体密封 |
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| 引用本文： | 邹继斌 陆永平. 旋转轴的磁性流体密封[J]. 哈尔滨工业大学学报, 1991, 0(1): 73-79 |
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| 作者姓名： | 邹继斌 陆永平 |
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| 作者单位： | 哈尔滨工业大学微电机教研室，哈尔滨工业大学微电机教研室 讲师 |
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| 摘 要： | 本文根据电磁学和流体力学对磁性流体密封进行了理论分析。推导出磁性流体内部压强和边界压差公式,进而得出密封压差公式。同时提出了减小离心力作用的方法。对静止和旋转密封进行了数值计算,分析了磁性流体量和转速对密封能力的影响。
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| 关 键 词： | 磁性流体 密封 旋转轴 磁性材料 |
Ferrofluid Seals for Rotating Shaft |
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| Zou Jibin Lu Yongping. Ferrofluid Seals for Rotating Shaft[J]. Journal of Harbin Institute of Technology, 1991, 0(1): 73-79 |
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| Authors: | Zou Jibin Lu Yongping |
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| Affiliation: | Zou Jibin Lu Yongping |
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| Abstract: | In this paper, ferrofluid seals for rotating shafts are analysed according to electromagnetism and hydromechanics. The pressure in the ferrofluid and the boundary pressure differentials are derived. Then, the formulae of seal prssure differential are presented. Meanwhile, a measure is taken to reduce the action of centrifugal force. The seal capacities are computed by numerical method. The effects of the ferrofluid quantity and the rotating speed on the seal capacity are discussed. |
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| Keywords: | Seal ferrofluid magnetic fluid |
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