Lubrication characteristics of MRF ship stern tube bearing based on nitrile rubber Online publication date: Fri, 04-Oct-2024
by Shengdong Zhang
International Journal of Engineering Systems Modelling and Simulation (IJESMS), Vol. 15, No. 6, 2024
Abstract: A mathematical calculation model of the magnetorheological fluid stern tube bearing based on nitrile rubber (MRF-STB-NR), was proposed, and established in this study, considering the coupling influence of eccentricity, temperature, and magnetic field strength. The lubricating film in both the circumferential and axial directions was evenly divided using the finite difference method, and the pressure distribution of the lubricating film was calculated using the successive over relaxation (SOR) iteration method. The study investigates the influence of eccentricity, temperature, and magnetic field strength on the total force, friction coefficient, lubricating film pressure, and lubricating film thickness of the MRF-STB-NR. The results show that the bearing capacity of MRF-STB-NR can be improved, and the friction coefficient is reduced by increasing temperature, magnetic field strength, and eccentricity.
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