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Hydrodynamics and Elastohydrodynamic Lubrication
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Journal Articles

Numerical and Experimental Investigations on the Lubrication Regime Transition Characteristics of Journal Bearings Used in Wind Turbine Gearboxes

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Qi Chen, Yabin Zhang, Kai Zhang, Tianyi Tang, Kai Feng
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2026, 148(1): 014101.
Paper No: TRIB-25-1029
https://doi.org/10.1115/1.4068516
Published Online: May 20, 2025
View Articletitled, Numerical and Experimental Investigations on the Lubrication Regime Transition Characteristics of Journal Bearings Used in Wind Turbine Gearboxes
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Topics: Bearings, Friction, Lubrication, Pressure, Stress, Surface roughness, Film thickness, Temperature, Torque, Journal bearings
Journal Articles

Optimization of Stern Bearing Lubrication Performance Under Misaligned Journal Conditions Based on Length-to-Diameter Ratio

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Zhenjiang Zhou, Xincong Zhou, Konstantinos Gryllias, Hanhua Zhu, Xueshen Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2026, 148(1): 014102.
Paper No: TRIB-25-1167
https://doi.org/10.1115/1.4068564
Published Online: May 20, 2025
View Articletitled, Optimization of Stern Bearing Lubrication Performance Under Misaligned Journal Conditions Based on Length-to-Diameter Ratio
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Topics: Bearings, Lubrication
Journal Articles

A Continuous Rheological Model for Smart Lubricants in Hard Elastohydrodynamic Lubrication

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Accepted Manuscript
Nirav Kantilal Meghpara, Punit Kumar, Gian Bhushan
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-25-1112
https://doi.org/10.1115/1.4068670
Published Online: May 15, 2025
View Articletitled, A Continuous Rheological Model for Smart Lubricants in Hard Elastohydrodynamic Lubrication
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Topics: Elastohydrodynamic lubrication, Lubricants, Rheology, Friction, Viscosity
Journal Articles

Diagnosis and Prognosis of Oil Whirl in Journal Bearing Using Acoustical Measurement

Open Access
Accepted Manuscript
Pratibha Sinha, Arun Kumar Jalan, Anish Kumar, Suraj Kumar Behera
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-24-1499
https://doi.org/10.1115/1.4068678
Published Online: May 15, 2025
View Articletitled, Diagnosis and Prognosis of Oil Whirl in Journal Bearing Using Acoustical Measurement
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Topics: Acoustics, Journal bearings, Whirls, Tribology, Vibration
Journal Articles

The influence mechanism of gas fraction in lubricant on hydrostatic bearing characteristics at different shear rates

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Accepted Manuscript
Yangfeng Ou, Huimin Kang, Yue Zhou, Houcai Liu, Zheng Cao, Zhihai Ouyang, Wang Li, Lianghui Duan
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-25-1113
https://doi.org/10.1115/1.4068671
Published Online: May 14, 2025
View Articletitled, The influence mechanism of gas fraction in lubricant on hydrostatic bearing characteristics at different shear rates
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Topics: Bearings, Boundary lubrication, Elastohydrodynamic lubrication, Fluid film lubrication, Hydrostatics, Lubricants, Shear rate, Viscosity
Journal Articles

The Influences of the Rotor Waviness on the Hydrodynamic Characteristics of Gas Porous Bearings With Mixed Computational Fluid Dynamics Boundary Conditions

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Peng Xia, Jiabao Liu, Wenlong Song, Zhongqiang Huang, Hao Yang, Wensheng Ma, Yanling Guo
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2025, 147(11): 114103.
Paper No: TRIB-24-1431
https://doi.org/10.1115/1.4068054
Published Online: March 19, 2025
View Articletitled, The Influences of the Rotor Waviness on the Hydrodynamic Characteristics of Gas Porous Bearings With Mixed Computational Fluid Dynamics Boundary Conditions
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Topics: Bearings, Boundary-value problems, Pressure, Rotors, Computational fluid dynamics, Transients (Dynamics)
Journal Articles

Calculation of Operational Parameter Variation of Finite Slider and Journal Bearings With Stochastic Roughness on the Stator and the Rotor

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Dimitrios Skaltsas, Christos I. Papadopoulos
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104105.
Paper No: TRIB-24-1459
https://doi.org/10.1115/1.4067973
Published Online: March 18, 2025
View Articletitled, Calculation of Operational Parameter Variation of Finite Slider and Journal Bearings With Stochastic Roughness on the Stator and the Rotor
Open the PDF for Calculation of Operational Parameter Variation of Finite Slider and Journal Bearings With Stochastic Roughness on the Stator and the Rotor in another window
Topics: Bearings, Friction, Journal bearings, Load bearing capacity, Pressure, Surface roughness, Stress, Slider bearings
Journal Articles

Friction Consumption and Leakage Performance of Step Piston in a Novel Synchronous Lubrication Radial Piston Pump

Available to Purchase
Yongkang Li, Xiao Shang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104106.
Paper No: TRIB-25-1027
https://doi.org/10.1115/1.4067998
Published Online: March 18, 2025
View Articletitled, Friction Consumption and Leakage Performance of Step Piston in a Novel Synchronous Lubrication Radial Piston Pump
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Topics: Friction, Leakage, Lubrication, Pistons, Pressure, Pumps, Stress
Journal Articles

Influence of Groove Texture Parameters on the Friction Performance of Roller Bit Floating Sleeve Bearings

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Gang Wei, Guorong Wang, Lin Zhong, Yang Wang, Xia He, Mengyuan Li, Dan Zhu, Dangfei Wang, Wenling Liao
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104104.
Paper No: TRIB-24-1456
https://doi.org/10.1115/1.4067813
Published Online: March 3, 2025
View Articletitled, Influence of Groove Texture Parameters on the Friction Performance of Roller Bit Floating Sleeve Bearings
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Topics: Friction, Lubrication, Texture (Materials), Wear, Plain bearings, Bearings, Rollers, Stress
Journal Articles

A Note on the Temperature Rise in a Lubricating Fluid

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M. M. Khonsari
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. September 2025, 147(9): 091106.
Paper No: TRIB-25-1002
https://doi.org/10.1115/1.4067834
Published Online: February 25, 2025
View Articletitled, A Note on the Temperature Rise in a Lubricating Fluid
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Topics: Journal bearings, Temperature, Thrust bearings, Viscosity, Pressure
Journal Articles

Dynamic Behavior Analysis of Journal Bearings Lubricated by Non-Newtonian Fluid During Start-Up

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Shaoyu Zhu, Xiangjun Zhang, Jun Sun, Jie Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2025, 147(8): 084102.
Paper No: TRIB-24-1509
https://doi.org/10.1115/1.4067837
Published Online: February 25, 2025
View Articletitled, Dynamic Behavior Analysis of Journal Bearings Lubricated by Non-Newtonian Fluid During Start-Up
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Topics: Bearings, Clearances (Engineering), Journal bearings, Lubrication, Stress, Surface roughness, Transients (Dynamics), Non-Newtonian fluids, Fluid-dynamic forces, Lubricants
Journal Articles

Research on the Static and Dynamic Characteristics of Porous Air Bearings Considering Annular Groove Air Supply

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Boyu Tian, Xiaofeng Zhang, Jin Xu, Fuan Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. June 2025, 147(6): 064102.
Paper No: TRIB-24-1394
https://doi.org/10.1115/1.4067811
Published Online: February 14, 2025
View Articletitled, Research on the Static and Dynamic Characteristics of Porous Air Bearings Considering Annular Groove Air Supply
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Topics: Air bearings, Bearings, Hammers, Permeability, Pressure, Stress, Vibration, Fluids
Journal Articles

Texture Parameters' Impact on Computational Efficiencies of Multigrid and Progressive Mesh Densification Methods for Solving Textured Journal Bearing Problems

Available to Purchase
Nayab Rasool Syed, Sashindra Kumar Kakoty
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2025, 147(8): 084101.
Paper No: TRIB-24-1505
https://doi.org/10.1115/1.4067694
Published Online: February 7, 2025
View Articletitled, Texture Parameters' Impact on Computational Efficiencies of Multigrid and Progressive Mesh Densification Methods for Solving Textured Journal Bearing Problems
Open the PDF for Texture Parameters' Impact on Computational Efficiencies of Multigrid and Progressive Mesh Densification Methods for Solving Textured Journal Bearing Problems in another window
Topics: Bearings, Clearances (Engineering), Density, Journal bearings, Texture (Materials)
Journal Articles

Supercritical Carbon Dioxide Lubricated Hybrid Journal Bearing: Computational Fluid Dynamics Analysis and Optimization

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MD Shujan Ali, Dongil Shin, Alan Palazzolo
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2025, 147(11): 114101.
Paper No: TRIB-24-1342
https://doi.org/10.1115/1.4067492
Published Online: February 6, 2025
View Articletitled, Supercritical Carbon Dioxide Lubricated Hybrid Journal Bearing: Computational Fluid Dynamics Analysis and Optimization
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Topics: Bearing design, Bearings, Computational fluid dynamics, Optimization, Pressure, Stress, Journal bearings, Supercritical carbon dioxide, Response surface methodology, Fluids
Journal Articles

Design, Modeling, and Testing of a Novel Elastohydrodynamic Seal for Supercritical CO 2 Power Cycles

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Mohammad Fuad Hassan, Sevki Cesmeci, Karthik Reddy Lyathakula, Hanping Xu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2025, 147(11): 114102.
Paper No: TRIB-24-1311
https://doi.org/10.1115/1.4067553
Published Online: February 5, 2025
View Articletitled, Design, Modeling, and Testing of a Novel Elastohydrodynamic Seal for Supercritical CO 2 Power Cycles
Open the PDF for Design, Modeling, and Testing of a Novel Elastohydrodynamic Seal for Supercritical CO 2 Power Cycles in another window
Topics: Clearances (Engineering), Deformation, Design, Fluids, Leakage, Pressure, Flow (Dynamics), Supercritical carbon dioxide
Journal Articles

Detailed Analysis of Friction in Water-Lubricated Bearings Under Boundary Lubrication: Model Development and Experimental Validation

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Chaozhen Yang, Xueshen Liu, Zhangkai Huang, Ting Wang, Meixia Chen
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104101.
Paper No: TRIB-24-1363
https://doi.org/10.1115/1.4067538
Published Online: January 20, 2025
View Articletitled, Detailed Analysis of Friction in Water-Lubricated Bearings Under Boundary Lubrication: Model Development and Experimental Validation
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Topics: Bearings, Friction, Surface roughness, Stress, Water, Boundary lubrication, Lubrication
Journal Articles

Transient Performance Study of Compliant Foil Cylindrical Gas Film Seal With Supercritical Carbon Dioxide

Available to Purchase
Yuan Chen, Aoxiang Jiang, Yuntang Li, Xiaolu Li, Bingqing Wang, Jinbo Jiang, Xudong Peng
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104103.
Paper No: TRIB-24-1476
https://doi.org/10.1115/1.4067558
Published Online: January 20, 2025
View Articletitled, Transient Performance Study of Compliant Foil Cylindrical Gas Film Seal With Supercritical Carbon Dioxide
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Topics: Excitation, Leakage, Pressure, Rotors, Sealing (Process), Supercritical carbon dioxide, Transients (Dynamics), Film thickness
Journal Articles

Influence of Wear on the Performance Parameters of the Rigid Bore Aerodynamic Journal Bearing

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J. C. Atwal, P. Ganai
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2025, 147(10): 104102.
Paper No: TRIB-24-1420
https://doi.org/10.1115/1.4067557
Published Online: January 20, 2025
View Articletitled, Influence of Wear on the Performance Parameters of the Rigid Bore Aerodynamic Journal Bearing
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Topics: Bearings, Journal bearings, Pressure, Stress, Wear, Friction, Film thickness, Stiffness, Damping
Journal Articles

Theoretical Model Construction and Static Performance Analysis of Multi-Leaf Journal Foil Bearings

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Yang Hu, Pengjing Ding
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2025, 147(7): 074101.
Paper No: TRIB-24-1355
https://doi.org/10.1115/1.4067109
Published Online: November 26, 2024
View Articletitled, Theoretical Model Construction and Static Performance Analysis of Multi-Leaf Journal Foil Bearings
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Topics: Bearings, Film thickness, Pressure, Stress, Deformation, Foil bearings, Manufacturing, Simulation, Stiffness, Friction
Journal Articles

Thermal-Gas-Elastic Coupling Modeling and Performance Analysis of Foil Cylindrical gas Film Seal Considering Speed Slip, Temperature Jump and Shaft Misalignment

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Long Chen, Yuan Chen, Yuntang Li, Xudong Peng, Xiaolu Li, Dan Wang, Bingqing Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. June 2025, 147(6): 064101.
Paper No: TRIB-24-1274
https://doi.org/10.1115/1.4066948
Published Online: November 13, 2024
View Articletitled, Thermal-Gas-Elastic Coupling Modeling and Performance Analysis of Foil Cylindrical gas Film Seal Considering Speed Slip, Temperature Jump and Shaft Misalignment
Open the PDF for Thermal-Gas-Elastic Coupling Modeling and Performance Analysis of Foil Cylindrical gas Film Seal Considering Speed Slip, Temperature Jump and Shaft Misalignment in another window
Topics: Film thickness, Pressure, Sealing (Process), Slip flow, Temperature, Wall temperature, Flow (Dynamics), Rotors, Deformation, High pressure (Physics)