Optimization of the Geometrical Parameter and Flow Friction Evolution for Turbulent Regime of the Plain Bearing

Rebiai, Moussa; Mehala, K.; Nadia, Bendaoud; Youcefi, Abdelkader

doi:10.1615/computthermalscien.2021033680

Comput Thermal Scien

2021

DOI: 10.1615/computthermalscien.2021033680

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Optimization of the Geometrical Parameter and Flow Friction Evolution for Turbulent Regime of the Plain Bearing

Moussa Rebiai

K. Mehala

Bendaoud Nadia

et al.

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2024

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Estimation of Friction for a Hydrodynamic Sliding Bearing for the Turbulent Regime From Single-Phase and Two-Phase Fluid Flow Behaviour

Imene,

Nadia,

Kadda

et al. 2024

International Journal of Surface Engineering and Interdisciplinary Materials Science

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The hydrodynamic plain bearing relies on the generation of a lubricant film through the rotational movement of the journal. As the journal rotates, it creates a layer of lubricant between the bearing and journal surfaces. This lubricant film separates the two surfaces, preventing direct contact and minimizing friction and wear. The high speeds can lead to severe conditions such as cavitation due to rapid oil evaporation, which introduces a new phase into the flow. In this study, it is anticipated that a two-phase flow will occur through the shaft-bushing conjunction because of the rupture of the lubricating film near the contact outlet. Pressure disturbances above these rupture zones may induce vapor-cavity formation at a small scale. A numerical analysis was conducted by solving Navier–Stokes continuity equations and vapor-transport equations. The k-epsilon model was used to analyze friction at the fluid-bearing interface for the turbulent regime. The results indicate that higher flow velocity values and pressure were observed in the case of two-phase flow compared to one-phase flow.

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Estimation of Friction for a Hydrodynamic Sliding Bearing for the Turbulent Regime From Single-Phase and Two-Phase Fluid Flow Behaviour

Imene,

Nadia,

Kadda

et al. 2024

International Journal of Surface Engineering and Interdisciplinary Materials Science

View full text Add to dashboard Cite

show abstract

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Optimization of the Geometrical Parameter and Flow Friction Evolution for Turbulent Regime of the Plain Bearing

Cited by 1 publication

References 0 publications

Estimation of Friction for a Hydrodynamic Sliding Bearing for the Turbulent Regime From Single-Phase and Two-Phase Fluid Flow Behaviour

Estimation of Friction for a Hydrodynamic Sliding Bearing for the Turbulent Regime From Single-Phase and Two-Phase Fluid Flow Behaviour

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