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Journal Articles

Prediction of Friction Factors and Leakage for Hole Pattern Seals Using Computational Fluid Dynamics and Artificial Neural Network

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Shreyas Sarfare, MD Shujan Ali, Matthew Alford, Alan Palazzolo
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. December 2025, 147(12): 124401.
Paper No: TRIB-24-1548
https://doi.org/10.1115/1.4068278
Published Online: April 10, 2025
View Articletitled, Prediction of Friction Factors and Leakage for Hole Pattern Seals Using Computational Fluid Dynamics and Artificial Neural Network
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Topics: Artificial neural networks, Computational fluid dynamics, Flat plates, Friction, Leakage, Flow (Dynamics), Modeling, Clearances (Engineering)
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

Fluid–Structure Interaction Lubrication Analysis of Compliant Journal Bearing Lubricated With Non-Newtonian Plastic Fluid

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Yingze Jin, Qiuli Niu, Yuanpeng Qu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. June 2025, 147(6): 064504.
Paper No: TRIB-24-1504
https://doi.org/10.1115/1.4067693
Published Online: February 14, 2025
View Articletitled, Fluid–Structure Interaction Lubrication Analysis of Compliant Journal Bearing Lubricated With Non-Newtonian Plastic Fluid
Open the PDF for Fluid–Structure Interaction Lubrication Analysis of Compliant Journal Bearing Lubricated With Non-Newtonian Plastic Fluid in another window
Topics: Bearings, Deformation, Elastic moduli, Fluid structure interaction, Fluids, Journal bearings, Lubrication, Pressure, Yield stress, Friction
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

A Review of Computational Fluid Dynamics Approaches Used to Investigate Lubrication of Rolling Element Bearings

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Farshid Sadeghi, Ujjawal Arya, Saeed Aamer, Andreas Meinel
Journal: Journal of Tribology
Publisher: ASME
Article Type: Review Articles
J. Tribol. October 2024, 146(10): 100801.
Paper No: TRIB-24-1123
https://doi.org/10.1115/1.4065663
Published Online: July 4, 2024
View Articletitled, A Review of Computational Fluid Dynamics Approaches Used to Investigate Lubrication of Rolling Element Bearings
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Topics: Bearings, Computational fluid dynamics, Flow (Dynamics), Lubricants, Lubrication, Modeling
Journal Articles

Impact of Oil Supply Conditions on Water Lubrication Assisted With Minimal Secondary Lubricating Medium

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Hao Ji, Tao Yu, Xiaohan Zhang, Feng Guo, Peng Liang, Gerhard Poll
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2024, 146(10): 104601.
Paper No: TRIB-23-1411
https://doi.org/10.1115/1.4065495
Published Online: June 6, 2024
View Articletitled, Impact of Oil Supply Conditions on Water Lubrication Assisted With Minimal Secondary Lubricating Medium
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Topics: Friction, Lubrication, Simulation, Water, Computational fluid dynamics, Flow (Dynamics)
Journal Articles

Using Fluid Curtains to Improve Sealing Performance in Turbomachinery Applications

Open Access
J. A. MacCalman, R. J. Williams, G. L. Ingram, S. I. Hogg
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2024, 146(8): 084401.
Paper No: TRIB-23-1330
https://doi.org/10.1115/1.4065264
Published Online: April 23, 2024
View Articletitled, Using Fluid Curtains to Improve Sealing Performance in Turbomachinery Applications
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Topics: Flow (Dynamics), Fluids, Leakage, Sealing (Process), Turbomachinery, Pressure, Leakage flows, Geometry, Computational fluid dynamics, Design
Journal Articles

Surrogate Model Development for Air Foil Thrust Bearings With Chevron-Patterned Trailing Edge

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Saltuk Yildiz, Alexandrina Untaroiu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2024, 146(8): 084101.
Paper No: TRIB-23-1353
https://doi.org/10.1115/1.4065104
Published Online: April 22, 2024
View Articletitled, Surrogate Model Development for Air Foil Thrust Bearings With Chevron-Patterned Trailing Edge
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Topics: Computational fluid dynamics, Computer simulation, Design, Fluids, Foil bearings, Load bearing capacity, Optimization, Temperature, Thrust bearings, Bearings
Journal Articles

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

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Nathaniel Gibbons, Christopher Goyne
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2024, 146(1): 014401.
Paper No: TRIB-23-1114
https://doi.org/10.1115/1.4063190
Published Online: September 27, 2023
View Articletitled, Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
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Topics: Computational fluid dynamics, Film thickness, Flow (Dynamics), Shear stress, Simulation, Leakage, Modeling, Reynolds number
Journal Articles

Experiments and Lattice-Boltzmann Simulation of Flow in a Vertically Aligned Gearbox

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Bercelay Niebles Atencio, Hua-Dong Yao, Valery Chernoray
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2023, 145(11): 114103.
Paper No: TRIB-23-1043
https://doi.org/10.1115/1.4062813
Published Online: August 29, 2023
View Articletitled, Experiments and Lattice-Boltzmann Simulation of Flow in a Vertically Aligned Gearbox
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Topics: Computational fluid dynamics, Disks, Flow (Dynamics), Flow visualization, Gears, Lattice Boltzmann methods, Mechanical drives, Simulation, Torque, Torque measurement
Journal Articles

Pressure Profile and Stiffness Analysis of Supercritical CO 2 Inside a Rotating Annulus Cooling Passage Using Computational Fluid Dynamics

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Md. Uddin, Halim Gurgenci, Zhiqiang Guan
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2023, 145(11): 114102.
Paper No: TRIB-22-1244
https://doi.org/10.1115/1.4062812
Published Online: July 17, 2023
View Articletitled, Pressure Profile and Stiffness Analysis of Supercritical CO 2 Inside a Rotating Annulus Cooling Passage Using Computational Fluid Dynamics
Open the PDF for Pressure Profile and Stiffness Analysis of Supercritical CO 2 Inside a Rotating Annulus Cooling Passage Using Computational Fluid Dynamics in another window
Topics: Annulus, Computational fluid dynamics, Cooling, Pressure, Stiffness, Supercritical carbon dioxide, Geometry, Fluids, Bearings
Journal Articles

A Simulation Analysis of Ball Bearing Lubrication Characteristics Considering the Cage Clearance

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Jing Liu, Hengtai Ni, Ruyi Zhou, Xinyi Li, Qinkun Xing, Guang Pan
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2023, 145(4): 044301.
Paper No: TRIB-22-1274
https://doi.org/10.1115/1.4056358
Published Online: December 26, 2022
View Articletitled, A Simulation Analysis of Ball Bearing Lubrication Characteristics Considering the Cage Clearance
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Topics: Ball bearings, Bearings, Cavities, Clearances (Engineering), Flow (Dynamics), Lubricating oils, Lubrication, Dynamic models, Rotation, Computational fluid dynamics
Journal Articles

Computational Fluid Dynamics Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

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Tingcheng Wu, Luis San Andrés, Xueliang Lu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111803.
Paper No: TRIB-21-1495
https://doi.org/10.1115/1.4054757
Published Online: June 23, 2022
View Articletitled, Computational Fluid Dynamics Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps
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Topics: Computational fluid dynamics, Pressure, Excitation, Flow (Dynamics), Two-phase flow
Journal Articles

Fluid–Solid Interaction Modeling of Elastohydrodynamic Lubrication Point Contacts

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Wyatt Peterson, Kushagra Singh, Farshid Sadeghi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111601.
Paper No: TRIB-22-1061
https://doi.org/10.1115/1.4054589
Published Online: June 23, 2022
View Articletitled, Fluid–Solid Interaction Modeling of Elastohydrodynamic Lubrication Point Contacts
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Topics: Computational fluid dynamics, Fluid structure interaction, Fluids, Modeling, Pressure, Stress, Film thickness, Elastohydrodynamic lubrication, Cavitation, Temperature effects
Journal Articles

An Improved Dynamic Modeling Approach of Aerostatic Thrust Bearing Considering Frequency-Varying Stiffness and Damping of Air Film

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Hui Zhuang, Jianguo Ding, Peng Chen, Yu Chang, Xiaoyun Zeng, Xingbao Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081806.
Paper No: TRIB-21-1417
https://doi.org/10.1115/1.4053260
Published Online: March 2, 2022
View Articletitled, An Improved Dynamic Modeling Approach of Aerostatic Thrust Bearing Considering Frequency-Varying Stiffness and Damping of Air Film
Open the PDF for An Improved Dynamic Modeling Approach of Aerostatic Thrust Bearing Considering Frequency-Varying Stiffness and Damping of Air Film in another window
Topics: Bearings, Damping, Dynamic response, Springs, Stiffness, Stress, Thrust, Thrust bearings, Transients (Dynamics), Vibration
Journal Articles

Investigation of Oil–Air Flow and Temperature for High-Speed Ball Bearings by Combining Nonlinear Dynamic and Computational Fluid Dynamics Models

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Song Deng, Guiqiang Zhao, Dongsheng Qian, Shaofeng Jiang, Lin Hua
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071204.
Paper No: TRIB-21-1374
https://doi.org/10.1115/1.4052965
Published Online: February 11, 2022
View Articletitled, Investigation of Oil–Air Flow and Temperature for High-Speed Ball Bearings by Combining Nonlinear Dynamic and Computational Fluid Dynamics Models
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Topics: Air flow, Ball bearings, Bearings, Computational fluid dynamics, Stress, Temperature, Temperature distribution, Rotation, Dynamic models, Friction
Journal Articles

Variation of Lubricant Distribution Across the Radial Direction in a Journal Bearing

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Shanshan Wei, Yuri Kligerman, Roman Goltsberg, Izhak Etsion
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. June 2022, 144(6): 061803.
Paper No: TRIB-21-1399
https://doi.org/10.1115/1.4053093
Published Online: December 8, 2021
View Articletitled, Variation of Lubricant Distribution Across the Radial Direction in a Journal Bearing
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Topics: Cavitation, Computational fluid dynamics, Film thickness, Journal bearings, Lubricants, Bearings
Journal Articles

Lubrication Effect of the Nozzle Layout for Arc Tooth Cylindrical Gears

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Shuai Mo, Changpeng Zhou, Heyu Dang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031202.
Paper No: TRIB-21-1368
https://doi.org/10.1115/1.4052680
Published Online: November 9, 2021
View Articletitled, Lubrication Effect of the Nozzle Layout for Arc Tooth Cylindrical Gears
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Topics: Gears, Lubrication, Nozzles, Computational fluid dynamics
Journal Articles

Tilt Pad Bearing Distributed Pad Inlet Temperature With Machine Learning—Part I: Static and Dynamic Characteristics

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Jongin Yang, Alan Palazzolo
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. June 2022, 144(6): 061801.
Paper No: TRIB-20-1503
https://doi.org/10.1115/1.4052171
Published Online: September 3, 2021
View Articletitled, Tilt Pad Bearing Distributed Pad Inlet Temperature With Machine Learning—Part I: Static and Dynamic Characteristics
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Topics: Finite element methods, Fluid films, Temperature, Rotors, Bearings, Machine learning, Flow (Dynamics), Computational fluid dynamics, Temperature distribution, Fluids
Journal Articles

Theoretical Leakage Equations Towards Liquid-Phase Flow in the Straight-Through Labyrinth Seal

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Lingsheng Han, Yongqing Wang, Kuo Liu, Ziyou Ban, Bo Qin, Haibo Liu, Minghua Dai
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031802.
Paper No: TRIB-20-1462
https://doi.org/10.1115/1.4051156
Published Online: June 8, 2021
View Articletitled, Theoretical Leakage Equations Towards Liquid-Phase Flow in the Straight-Through Labyrinth Seal
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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Steady state, Computational fluid dynamics, Subcooling, Nitrogen