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자료유형
학술저널
저자정보
Marcin Szczęch (AGH University of Science and Technology)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.24 No.1
발행연도
2019.3
수록면
32 - 38 (7page)
DOI
10.4283/JMAG.2019.24.1.032

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초록· 키워드

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Magnetic fluid has many technical applications and many new ones are being developed. One of the applications is in magnetic fluid seals. This publication describes the new phenomenon of the magnetic fluid seal reseal mechanism, discovered while carrying out research. This phenomenon is manifested by the pressure oscillation medium being sealed, which results from the instability (cyclic destruction and rebuild of the liquid ring) in the magnetic fluid seal. It occurs in an inhomogeneous magnetic field and, in this case, is caused by the eccentricity of the seal components. In order to study this mechanism, magnetic fluid characterized by different physical properties was selected. Numerical simulations were performed to determine the magnetic field distribution in the seal. Research results showed the possibility of measuring the eccentricity of the magnetic fluid seal elements. Studies have shown that it is possible to determine the displacement of about 0.01 ㎜.

목차

1. Introduction
2. Magnetic Fluid Seal
3. The Reseal Mechanism
4. Pressure Oscillation Mechanism
5. Research Methodology and Test Parameters
6. Magnetic Field Distribution
7. Experiment Results
8. Conclusion
References

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