Dynamics modeling and analysis of planetary gear mechanism under mixed elastohydrodynamic lubrication

Ning, Zhiyuan; Bai, Zhengfeng

doi:10.1016/j.simpat.2024.102982

Simulation Modelling Practice and Theory

2024

DOI: 10.1016/j.simpat.2024.102982

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Dynamics modeling and analysis of planetary gear mechanism under mixed elastohydrodynamic lubrication

Zhiyuan Ning,

Zhengfeng Bai

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Cited by 2 publications

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The Bevel Local Slope Approach: A method for mesh stiffness estimation in spur, helical and spiral bevel gears

Chakroun,

Battarra,

Mucchi

2025

Simulation Modelling Practice and Theory

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The Bevel Local Slope Approach: A method for mesh stiffness estimation in spur, helical and spiral bevel gears

Chakroun,

Battarra,

Mucchi

2025

Simulation Modelling Practice and Theory

View full text Add to dashboard Cite

A comprehensive mesh stiffness model for spur gear considering coupling effective of thermo-elastohydrodynamic lubrication

Zhou,

Zhang,

Zhou

et al. 2024

Physics of Fluids

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Thermal elastohydrodynamic lubrication (TEHL) plays a crucial role in meshing stiffness, friction, wear, vibration, and transmission stability during the gear meshing. Based on the TEHL and Blok theories, a comprehensive meshing stiffness model of spur gear is proposed by combining thermal stiffness, oil film stiffness, and time-varying meshing stiffness, which is closer to the actual working conditions compared with conventional method. The influences of torque, rotational speed, and module on the lubrication performance and meshing characteristics are investigated, and the distributions of oil film pressure, film thickness, tooth surface temperature rise, friction coefficient, and stiffness are obtained. The results reveal that a light torque, large rotational speed, and module can improve loading capacity and lubrication performance, but excessive parameters will increase tooth surface temperature rise and thermal deformation, and reinforce meshing impact, which further increase the tooth surface wear or bonding. Therefore, it can be concluded that the reasonable parameter match is valid in improving gear lubrication characteristics, mitigating meshing impact and improving gear meshing characteristics, and further enhance system stability.

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Dynamics modeling and analysis of planetary gear mechanism under mixed elastohydrodynamic lubrication

Cited by 2 publications

References 64 publications

The Bevel Local Slope Approach: A method for mesh stiffness estimation in spur, helical and spiral bevel gears

The Bevel Local Slope Approach: A method for mesh stiffness estimation in spur, helical and spiral bevel gears

A comprehensive mesh stiffness model for spur gear considering coupling effective of thermo-elastohydrodynamic lubrication

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