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Journal Articles

Modified finite difference methods for Reynold equation with film thickness discontinuity

Accepted Manuscript
Qiang He, Fengming Hu, Weifeng Huang, Yang Hu, Guohui Cong, Yixun Zhang
Journal: Journal of Tribology
Article Type: Research Papers
Publisher: ASME
J. Tribol.
Paper No: TRIB-23-1154
https://doi.org/10.1115/1.4063442
Published Online: September 14, 2023
View Article titled, Modified finite difference methods for Reynold equation with film thickness discontinuity
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Topics: Film thickness, Finite difference methods, Lubrication, Flow (Dynamics), Fluid film lubrication, Pressure, Robustness, Sealing (Process), Shapes
Journal Articles

A Simplified Thermal Plasto-Elastohydrodynamic Lubrication Model for Circular Contact With Real Surface Roughness

P. C. Romio, P. M. T. Marques, C. M. C. G. Fernandes, J. H. O. Seabra
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. December 2023, 145(12): 124102.
Paper No: TRIB-23-1090
https://doi.org/10.1115/1.4062898
Published Online: September 4, 2023
View Article titled, A Simplified Thermal Plasto-Elastohydrodynamic Lubrication Model for Circular Contact With Real Surface Roughness
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Topics: Film thickness, Friction, Lubricants, Lubrication, Pressure, Simulation, Stress, Surface roughness, Temperature, Elastohydrodynamic lubrication
Journal Articles

Evolution and action mechanism of relative negative pressure zone in spiral groove gas face seal for aero-engine

Accepted Manuscript
Hui Li, Guoqing Li, Hao Liu, Ang Li, Xingen Lu
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-23-1163
https://doi.org/10.1115/1.4063197
Published Online: August 16, 2023
View Article titled, Evolution and action mechanism of relative negative pressure zone in spiral groove gas face seal for aero-engine
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Topics: Aircraft engines, Pressure, Film thickness, Leakage, Design, Flow control, Fuel consumption, Optimization, Sealing (Process), Shear (Mechanics)
Journal Articles

Form Shear Stress (FSS) Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness

Accepted Manuscript
Nathaniel Gibbons, Christopher Goyne
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-23-1114
https://doi.org/10.1115/1.4063190
Published Online: August 16, 2023
View Article titled, Form Shear Stress (FSS) Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
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Topics: Film thickness, Flow (Dynamics), Shear stress, Modeling, Computational fluid dynamics, Reynolds number, Dynamic response, Engineering simulation, Leakage, Lubrication
Journal Articles

Mixed Lubrication Analysis of Scrolls Lubricated With CO 2 /Oil Mixture Based on a Homogeneous Model

Chunjie Wei, Hui Song, Zhaowen Hu, Wei Wang
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. November 2023, 145(11): 112201.
Paper No: TRIB-23-1053
https://doi.org/10.1115/1.4062690
Published Online: June 13, 2023
View Article titled, Mixed Lubrication Analysis of Scrolls Lubricated With CO 2 /Oil Mixture Based on a Homogeneous Model
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Topics: Carbon dioxide, Clearances (Engineering), Compressors, Lubrication, Pressure, Refrigerants, Stress, Surface roughness, Tribology, Film thickness
Journal Articles

Dimensional Discussion of Traction Force Vector on Ball/Raceway Interface and Study of Bearing Dynamic Behavior

Shuaijun Ma, Yanjing Yin, Linbo Zhu, Ke Yan, Yongsheng Zhu
Journal: Journal of Tribology
Article Type: Research Papers
Publisher: ASME
J. Tribol. September 2023, 145(9): 091108.
Paper No: TRIB-23-1011
https://doi.org/10.1115/1.4062375
Published Online: June 13, 2023
View Article titled, Dimensional Discussion of Traction Force Vector on Ball/Raceway Interface and Study of Bearing Dynamic Behavior
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Topics: Bearings, Rotation, Spin (Aerodynamics), Stress, Traction, Film thickness
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
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
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Topics: Bearings, Lubrication, Thrust bearings, Shear rate, Viscosity, Temperature, Friction, Torque, Pressure, Film thickness
Journal Articles

Point Contact Thermal Mixed Elastohydrodynamic Lubrication Under Short-Period Intermittent Motion

Mingyu Zhang, Minglu Yao, Jing Wang, Yong Wan
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 082202.
Paper No: TRIB-22-1278
https://doi.org/10.1115/1.4062098
Published Online: May 12, 2023
View Article titled, Point Contact Thermal Mixed Elastohydrodynamic Lubrication Under Short-Period Intermittent Motion
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Topics: Elastohydrodynamic lubrication, Film thickness, Friction, Lubrication, Pressure, Surface roughness, Temperature, Temperature effects
Journal Articles

Electrical Contact During a Rolling Vibratory Motion Considering Mixed Lubrication

Robert L. Jackson, Santosh Angadi
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2023, 145(8): 082201.
Paper No: TRIB-22-1378
https://doi.org/10.1115/1.4062295
Published Online: May 2, 2023
View Article titled, Electrical Contact During a Rolling Vibratory Motion Considering Mixed Lubrication
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Topics: Contact resistance, Lubricants, Lubrication, Surface roughness, Film thickness, Vibration, Viscosity, Springs
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
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
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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
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
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Topics: Bearings, Lubrication, Pressure, Stability, Stiffness, Temperature, Temperature effects, Viscosity, Lubricants, Rotors
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
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
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Topics: Film thickness, Pressure, Viscosity, Shear (Mechanics), Refractive index, Lubricants, Uncertainty
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
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
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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
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

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
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
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Topics: Pressure, Surface roughness, Thermal conductivity, Elastohydrodynamic lubrication, Film thickness
Journal Articles

Investigations on the Load Capacity of Multilayer Foil Thrust Bearing Based on an Updated Complete Model

Changlin Li, Jianjun Du, Jie Li, Zhenni Xu, Chenyang Zhao
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021202.
Paper No: TRIB-21-1538
https://doi.org/10.1115/1.4055130
Published Online: October 27, 2022
View Article titled, Investigations on the Load Capacity of Multilayer Foil Thrust Bearing Based on an Updated Complete Model
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Topics: Bearings, Stress, Thrust bearings, Deflection, Stiffness, Film thickness, Deformation
Journal Articles

Polymer Lubrication: Pressure–Viscosity–Temperature Dependence of Film Thickness for Highly Loaded Compliant Contacts in Elastohydrodynamic Lubrication Regime

Jiri Krupka, Krystof Dockal, Ivan Krupka, Martin Hartl
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021601.
Paper No: TRIB-22-1245
https://doi.org/10.1115/1.4055558
Published Online: October 26, 2022
View Article titled, Polymer Lubrication: Pressure–Viscosity–Temperature Dependence of Film Thickness for Highly Loaded Compliant Contacts in Elastohydrodynamic Lubrication Regime
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Topics: Film thickness, Lubricants, Pressure, Stress, Temperature, Viscosity, Elastohydrodynamic lubrication, Polymers, Lubrication
Journal Articles

Experimental Investigation of the Oil Supply Layer in a Model Rolling Bearing

He Liang, Zhihan Fan, Wenzhong Wang, Ziqiang Zhao
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. January 2023, 145(1): 011802.
Paper No: TRIB-22-1183
https://doi.org/10.1115/1.4055719
Published Online: October 11, 2022
View Article titled, Experimental Investigation of the Oil Supply Layer in a Model Rolling Bearing
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Topics: Ball bearings, Fluorescence, Hydrocarbon reservoirs, Rolling bearings, Viscosity, Lasers, Film thickness, Lubrication, Centrifugal force
Journal Articles

Implementation of the Elrod Algorithm in Practical Design of an Axial Lubricant Supply Groove in Journal Bearings

Shanshan Wei, Morel Groper
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121801.
Paper No: TRIB-22-1138
https://doi.org/10.1115/1.4054961
Published Online: August 9, 2022
View Article titled, Implementation of the Elrod Algorithm in Practical Design of an Axial Lubricant Supply Groove in Journal Bearings
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Topics: Algorithms, Bearings, Design, Film thickness, Journal bearings, Lubricants, Pressure, Stress, Cavitation
Journal Articles

A Simplified Model for Numerical Investigation of Bump-Type Foil Bearings Based on Contact Nonlinearity

Yan Zhang, Shuhong Xiao
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121001.
Paper No: TRIB-21-1635
https://doi.org/10.1115/1.4055027
Published Online: July 29, 2022
View Article titled, A Simplified Model for Numerical Investigation of Bump-Type Foil Bearings Based on Contact Nonlinearity
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Topics: Bearings, Clearances (Engineering), Contact mechanics, Displacement, Foil bearings, Friction, Pressure, Rotors, Stiffness, Stress