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논문 기본 정보

자료유형
학술저널
저자정보
Jiawei Liu (Beijing Jiaotong University) Decai Li (Beijing Jiaotong University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.27 No.1
발행연도
2022.3
수록면
56 - 64 (9page)
DOI
10.4283/JMAG.2022.27.1.056

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초록· 키워드

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Magnetic fluid seal is one of the most mature applications of magnetic fluid. When the shaft has a large radial runout, the classical pole piece is easily damaged. Due to its small size, the commonly used pole piece structure harbors problems like poor seal performance under a large gap and poor processability. By exploring the distribution law of the magnetic field on the magnet’s surface, we provided theoretical support for the magnetic fluid seal using axially-magnetized ring magnets. New structures for the magnetic fluid seal using axially-magnetized slotted ring magnets and the magnetic fluid seal using radially-magnetized ring magnets were proposed. Then, comparisons were made between the classical magnetic fluid seal and the magnetic fluid seal using ring magnets. The results revealed that the magnetic fluid seal using axially-magnetized slotted ring magnets and the magnetic fluid seal using radially-magnetized ring magnets exhibited a certain seal capacity, which could replace the classical magnetic fluid seal structure.

목차

1. Introduction
2. Principles and Advantages of Magnetic Fluid Seals
3. Relevant Theoretical Analysis
4. Maxwell Analysis of Magnetic Fluid Seal
5. Conclusion
References

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