Friction characteristics in a spiral groove mechanical seal lubricated by magnetic fluid

Penggao Zhang; Fei Feng; Xiu Feng

doi:10.1117/12.2688884

18 July 2023 Friction characteristics in a spiral groove mechanical seal lubricated by magnetic fluid

Penggao Zhang, Fei Feng, Xiu Feng

Proceedings Volume 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023); 127440Q (2023) https://doi.org/10.1117/12.2688884
Event: Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 2023, Nanjing, China

Abstract

The pressure distribution in the lubricating film between the sealing rings of two sealing rings was calculated based on the Muijderman narrow groove theory firstly, and the film thickness was determined according to the balanced forces on the rotating ring, then the effects of operating conditions, electromagnetic field intensity, and magnetic fluid viscosity on the friction characteristics were investigated. The results indicate that the friction force, friction coefficient and friction torque increase with the increasing rotating speed, intensity of current, volume fraction and diameter of magnetic nanoparticles in magnetic fluid but decrease with the increasing pressure of sealed medium. A smaller film thickness induced by a larger closing force can generate a decrease of friction coefficient, and an increase of friction torque.

Citation Download Citation

Penggao Zhang, Fei Feng, and Xiu Feng "Friction characteristics in a spiral groove mechanical seal lubricated by magnetic fluid", Proc. SPIE 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 127440Q (18 July 2023); https://doi.org/10.1117/12.2688884

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