Numerical and experimental study of convergent integral embedded magnetic fluid seal

Yang, Xiaolong; Shi, Miao; Guan, Ying; Li, Decai

doi:10.1016/j.jmmm.2023.170522

Journal of Magnetism and Magnetic Materials

2023

DOI: 10.1016/j.jmmm.2023.170522

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Numerical and experimental study of convergent integral embedded magnetic fluid seal

Xiaolong Yang

Miao Shi

Ying Guan

et al.

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Cited by 2 publications

References 19 publications

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Design and experimental investigation of symmetrical embedded magnetic fluid rotary seal with small gap

Shi,

Yang,

Qiu

et al. 2023

Vacuum

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Design and experimental investigation of symmetrical embedded magnetic fluid rotary seal with small gap

Shi,

Yang,

Qiu

et al. 2023

Vacuum

View full text Add to dashboard Cite

Study on performance optimization of double screw-magnetic fluid combination seal

Li,

Qing,

Shen

et al. 2024

Physics of Fluids

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The magnetic fluid seal (MFS) is a new type of sealing method that offers the advantages of no leakage and low wear. Hence, it is widely used in rotary seals in coal, chemical, and electric power fields. However, at high speeds, the degradation and even failure of the sealing performance severely limits the application of MFS in engineering. Therefore, this study designed a combined sealing device comprising a double screw seal and MFS and optimized the pressure resistance of the screw seal using an orthogonal test in combination with the response surface optimization method. Thus, the pressure resistance could be raised to 3.1 times that before optimization. The effect of the sealing gap on the sealing pressure of the MFS was analyzed by numerical simulation, and an optimal sealing gap value of 0.2 mm was obtained. The results of the verification test showed that the performance of the combined seal was significantly better than that of MFS alone. When sealing liquids, the pressure resistance of the combined seal reached 3.3 times that of the MFS at 3000 rpm, which indicates the application potential of MFS in high-speed working conditions.

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Numerical and experimental study of convergent integral embedded magnetic fluid seal

Cited by 2 publications

References 19 publications

Design and experimental investigation of symmetrical embedded magnetic fluid rotary seal with small gap

Design and experimental investigation of symmetrical embedded magnetic fluid rotary seal with small gap

Study on performance optimization of double screw-magnetic fluid combination seal

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