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Hydrodynamics and Elastohydrodynamic Lubrication
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Journal Articles

Stochastic Performance of Journal Bearing With Two-Layered Porous Bush—A Machine Learning Approach

Subrata Barman, Kritesh Kumar Gupta, Subrata Kushari, Sudip Dey
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. October 2023, 145(10): 104101.
Paper No: TRIB-22-1271
DOI: https://doi.org/10.1115/1.4062487
Published Online: May 25, 2023
View Article titled, Stochastic Performance of Journal Bearing With Two-Layered Porous Bush—A Machine Learning Approach
Click here to open pdf in another window PDF for Stochastic Performance of Journal Bearing With Two-Layered Porous Bush—A Machine Learning Approach
Topics: Bearings, Journal bearings, Load bearing capacity, Machine learning, Pressure, Reynolds number, Leakage, Support vector machines, Simulation, Steady state
Includes: Supplementary data
Journal Articles

Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 1: Generation Method and Viscosity Measurement of the Bubbly Oil

Shuyun Jiang, Shaohua Li, Li Lu, Chibin Zhang
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 084102.
Paper No: TRIB-23-1024
DOI: https://doi.org/10.1115/1.4062366
Published Online: May 12, 2023
View Article titled, Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 1: Generation Method and Viscosity Measurement of the Bubbly Oil
Click here to open pdf in another window PDF for Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 1: Generation Method and Viscosity Measurement of the Bubbly Oil
Topics: Bearings, Lubrication, Shear rate, Viscosity, Viscosity measurement, Temperature, Pressure, Microbubbles, Bubbles, Clearances (Engineering)
Journal Articles

Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 2: Application Study in High-Speed Bearing

Shuyun Jiang, Shaohua Li, Feida Zhou, Xiaohui Lin
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 084103.
Paper No: TRIB-22-1247
DOI: https://doi.org/10.1115/1.4062407
Published Online: May 12, 2023
View Article titled, Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 2: Application Study in High-Speed Bearing
Click here to open pdf in another window PDF for Study on Lubricating Performance of the Bubbly Oil Under High Shear Rate—Part 2: Application Study in High-Speed Bearing
Topics: Bearings, Lubrication, Thrust bearings, Shear rate, Viscosity, Temperature, Friction, Torque, Pressure, Film thickness
Journal Articles

Numerical Analysis of Turbulence Effect for Coupled Journal-Thrust Water-Lubricated Bearing With Micro Grooves

Tianyou Yang, Jianlin Cai, Liwu Wang, Dongxing Tang, Shouan Chen, Jiaxu Wang
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 084101.
Paper No: TRIB-22-1420
DOI: https://doi.org/10.1115/1.4062362
Published Online: May 12, 2023
View Article titled, Numerical Analysis of Turbulence Effect for Coupled Journal-Thrust Water-Lubricated Bearing With Micro Grooves
Click here to open pdf in another window PDF for Numerical Analysis of Turbulence Effect for Coupled Journal-Thrust Water-Lubricated Bearing With Micro Grooves
Topics: Bearings, Journal bearings, Stress, Thrust, Thrust bearings, Turbulence, Water, Lubrication, Fluid pressure, Reynolds number
Journal Articles

Influence of Free Water Droplets on Film Formation Under Point Contact Grease Lubrication

Yiming Han, Petr Sperka, Jing Wang, Ivan Krupka, Martin Hartl, Weimin Li, Xiaobo Wang, Weimin Liu
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. July 2023, 145(7): 074101.
Paper No: TRIB-22-1390
DOI: https://doi.org/10.1115/1.4056944
Published Online: April 25, 2023
View Article titled, Influence of Free Water Droplets on Film Formation Under Point Contact Grease Lubrication
Click here to open pdf in another window PDF for Influence of Free Water Droplets on Film Formation Under Point Contact Grease Lubrication
Topics: Film thickness, Water, Reciprocating motion, Lubrication, Drops, Cycles
Journal Articles

On the Lubrication and Stability Behaviors of a Conical Hybrid Floating Ring Bearing With Thermal Effects

Shuai Yang, Xueqing Jiang, Shaolin Zhang, Hong Guo, Shaoqi Cen
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. June 2023, 145(6): 064102.
Paper No: TRIB-21-1498
DOI: https://doi.org/10.1115/1.4056631
Published Online: March 16, 2023
View Article titled, On the Lubrication and Stability Behaviors of a Conical Hybrid Floating Ring Bearing With Thermal Effects
Click here to open pdf in another window PDF for On the Lubrication and Stability Behaviors of a Conical Hybrid Floating Ring Bearing With Thermal Effects
Topics: Bearings, Lubrication, Pressure, Stability, Stiffness, Temperature, Temperature effects, Viscosity, Lubricants, Rotors
Journal Articles

Simplified Calculation of Recess Pressure Considering the Hydrodynamic Effect

Jiawei Wang, Sen Jiang, Jiuqi Huang, Wencai Xiong, Jingwei Hu, Zhaozhe Meng, Ange Nsilani Kouediatouka, Guangneng Dong
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. June 2023, 145(6): 064101.
Paper No: TRIB-22-1381
DOI: https://doi.org/10.1115/1.4056740
Published Online: February 9, 2023
View Article titled, Simplified Calculation of Recess Pressure Considering the Hydrodynamic Effect
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Topics: Bearings, Pressure
Journal Articles

A Comparison of the High-Pressure Viscometry and Optical Inference Methods Used to Determine the Pressure-Viscosity Coefficient

W. M. Hannon, C. H. Hager, R. J. Sadinski
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. May 2023, 145(5): 054104.
Paper No: TRIB-22-1225
DOI: https://doi.org/10.1115/1.4056283
Published Online: February 1, 2023
View Article titled, A Comparison of the High-Pressure Viscometry and Optical Inference Methods Used to Determine the Pressure-Viscosity Coefficient
Click here to open pdf in another window PDF for A Comparison of the High-Pressure Viscometry and Optical Inference Methods Used to Determine the Pressure-Viscosity Coefficient
Topics: Film thickness, Pressure, Viscosity, Shear (Mechanics), Refractive index, Lubricants, Uncertainty
Journal Articles

Influence of Real Lubricant Density–Pressure Behavior on the Dynamic Response of Elastohydrodynamic Lubricated Conjunctions

J. S. Issa, W. Habchi
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. May 2023, 145(5): 054103.
Paper No: TRIB-22-1335
DOI: https://doi.org/10.1115/1.4056629
Published Online: January 27, 2023
View Article titled, Influence of Real Lubricant Density–Pressure Behavior on the Dynamic Response of Elastohydrodynamic Lubricated Conjunctions
Click here to open pdf in another window PDF for Influence of Real Lubricant Density–Pressure Behavior on the Dynamic Response of Elastohydrodynamic Lubricated Conjunctions
Topics: Damping, Density, Dynamic response, Lubricants, Pressure, Stiffness, Stress, Equations of state, Elastohydrodynamic lubrication
Journal Articles

Tribological Behaviors and Meshing Efficiency of a Novel Planar Ball Reducer Based on the Elastohydrodynamic Lubrication Theory

Zhou Chen, Xianmiao Yang, Yibo Jiang, Shuiguang Tong, Zheming Tong
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. May 2023, 145(5): 054102.
Paper No: TRIB-22-1084
DOI: https://doi.org/10.1115/1.4056454
Published Online: January 9, 2023
View Article titled, Tribological Behaviors and Meshing Efficiency of a Novel Planar Ball Reducer Based on the Elastohydrodynamic Lubrication Theory
Click here to open pdf in another window PDF for Tribological Behaviors and Meshing Efficiency of a Novel Planar Ball Reducer Based on the Elastohydrodynamic Lubrication Theory
Topics: Elastohydrodynamic lubrication, Kinematics, Pressure, Tribology, Temperature, Torque, Film thickness, Cycles, Friction
Journal Articles

Research on Start-Stop Performance of Journal Bearing Based on an Isothermal and Mixed Lubrication Model With Different Acceleration and Deceleration Forms in Consideration

Chunxing Gu, Li Dai, Di Zhang
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. May 2023, 145(5): 054101.
Paper No: TRIB-22-1006
DOI: https://doi.org/10.1115/1.4056517
Published Online: January 5, 2023
View Article titled, Research on Start-Stop Performance of Journal Bearing Based on an Isothermal and Mixed Lubrication Model With Different Acceleration and Deceleration Forms in Consideration
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Topics: Bearings, Journal bearings, Lubrication, Friction, Film thickness
Journal Articles

Evaluating the Time-Varying Mesh Stiffness of Planetary Gear Set With Gear Crack Considering the Friction Force Under Mixed Elastohydrodynamic Lubrication Condition

Siyu Wang, Rupeng Zhu
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. April 2023, 145(4): 044102.
Paper No: TRIB-22-1044
DOI: https://doi.org/10.1115/1.4056351
Published Online: December 26, 2022
View Article titled, Evaluating the Time-Varying Mesh Stiffness of Planetary Gear Set With Gear Crack Considering the Friction Force Under Mixed Elastohydrodynamic Lubrication Condition
Click here to open pdf in another window PDF for Evaluating the Time-Varying Mesh Stiffness of Planetary Gear Set With Gear Crack Considering the Friction Force Under Mixed Elastohydrodynamic Lubrication Condition
Topics: Fracture (Materials), Gears, Stiffness, Elastohydrodynamic lubrication, Friction
Journal Articles

Research on Tribo-Dynamic Characteristics of Double Involute Gears Based on Multiphysics Coupling

Zhaoming Yin, Yu Fan, Jun Xu, Zhimin Fan, Zhenya Duan
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. April 2023, 145(4): 044101.
Paper No: TRIB-22-1192
DOI: https://doi.org/10.1115/1.4056165
Published Online: December 12, 2022
View Article titled, Research on Tribo-Dynamic Characteristics of Double Involute Gears Based on Multiphysics Coupling
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Topics: Gears, Stress, Temperature effects, Friction, Vibration, Lubrication, Temperature
Journal Articles

Numerical Study on Method for Reducing Film Pressure and Its Fluctuation due to Surface Roughness in Elastohydrodynamic Lubrication Contact

Motohiro Kaneta, Kenji Matsuda
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. March 2023, 145(3): 034101.
Paper No: TRIB-22-1208
DOI: https://doi.org/10.1115/1.4056189
Published Online: November 23, 2022
View Article titled, Numerical Study on Method for Reducing Film Pressure and Its Fluctuation due to Surface Roughness in Elastohydrodynamic Lubrication Contact
Click here to open pdf in another window PDF for Numerical Study on Method for Reducing Film Pressure and Its Fluctuation due to Surface Roughness in Elastohydrodynamic Lubrication Contact
Topics: Pressure, Surface roughness, Thermal conductivity, Elastohydrodynamic lubrication, Film thickness