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Keywords: Fluid film lubrication
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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
... Email: houcailiu@163.com Email: caozhenglu@qq.com Email: 643561592@qq.com Email: 1157102870@qq.com boundary lubrication elastohydrodynamic lubrication fluid film lubrication fluid friction Accepted Manuscript Not Copyedited Journal of Tribology. Received February 23, 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

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

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Accepted Manuscript
Zhenjiang Zhou, Xincong Zhou, Konstantinos Gryllias, Hanhua Zhu, Xueshen Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-25-1167
https://doi.org/10.1115/1.4068564
Published Online: May 5, 2025
... 2025 29 04 2025 29 04 2025 05 05 2025 bearings fluid film lubrication hydrodynamic lubrication journal bearings sliding China Scholarship Council 10.13039/501100004543 202306950088 National Natural Science Foundation of China 10.13039/501100001809...
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, Optimization
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
... pattern friction factor dynamic coefficients computational fluid dynamics artificial neural network fluid film lubrication seals References [1] von Pragenau , G. L. , 1982 , “Damping Seals for Turbomachinery,” NASA Report No. NASA-TP-1987 [2] Ha , T. W...
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

Tribological Evaluation of Coatings in Fuel Environments

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Ali Macknojia, Maddox Dockins, Aditya Ayyagari, Vanessa Montoya, James Rodriguez, Euan Cairns, Nikhil Murthy, Stephen Berkebile, Andrey Voevodin, Samir Aouadi, Diana Berman
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2025, 147(7): 074501.
Paper No: TRIB-24-1480
https://doi.org/10.1115/1.4067814
Published Online: February 14, 2025
... 2025 14 02 2025 coatings low-viscosity fuels friction wear nitrides DLC fluid film lubrication viscosity U.S. Army Research Laboratory 10.13039/100006754 W911NF-20-2-0198 In high-pressure fuel systems, reciprocating mechanical contacts undergo significant...
View Articletitled, Tribological Evaluation of Coatings in Fuel Environments
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Topics: Coatings, Fuels, Tribology, Wear, Friction, Coating processes, Viscosity
Journal Articles

Tribological Impact of Carbon Black Nanoparticles Obtained From Recycled Waste Tires as Additive to Motor Oil

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Abdullah A. Alazemi, Farah Buarki, Abdullah F. Alajmi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2025, 147(4): 044601.
Paper No: TRIB-24-1361
https://doi.org/10.1115/1.4067659
Published Online: February 14, 2025
... pyrolysis mixed lubrication friction wear fluid film lubrication lubricant additives tires A mixed lubrication regime is where the applied load is supported by part through the fluid film and surface asperities [ 15 ]. Many engine components, such as piston rings and cams, operate in the mixed...
View Articletitled, Tribological Impact of Carbon Black Nanoparticles Obtained From Recycled Waste Tires as Additive to Motor Oil
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Topics: Carbon black pigments, Engines, Lubricants, Motors, Particulate matter, Tires, Tribology, Wear, Lubrication, Friction
Includes: Supplementary data
Journal Articles

Assessment of the Tribological Performance of Diamond-Like Carbon Coatings for Differential Shafts for Electric Vehicles

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Johnny Dufils, Etienne Macron, Christophe Héau
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. May 2025, 147(5): 054501.
Paper No: TRIB-24-1428
https://doi.org/10.1115/1.4067804
Published Online: February 14, 2025
.... Email: jdufils@hef.group Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 09 10 2024 28 01 2025 29 01 2025 14 02 2025 boundary lubrication coatings fluid film lubrication tribological systems wear A wide range...
View Articletitled, Assessment of the Tribological Performance of Diamond-Like Carbon Coatings for Differential Shafts for Electric Vehicles
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Topics: Boundary lubrication, Coatings, Diamond films, Electric vehicles, Gears, Lubrication, Nickel, Tribology, Wear, Rotation
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
... performance of the machinery. air journal bearings air lubrication wear load capacity bearings fluid film lubrication fluid friction journal bearings Table 1 Comparison of computed results with Ref. [ 21 ] (Λ = 1, L/D = 1) ε W ¯ ϕ ( deg...
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

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
... in the J ournal of T ribology . 01 08 2024 12 10 2024 13 10 2024 13 11 2024 foil cylindrical gas film seal speed slip wall temperature jump shaft misalignment fluid film lubrication seals thermoelastohydrodynamic lubrication The improvement of the overall...
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)
Journal Articles

Research on Working Mechanism and Structural Optimization of High-Speed Bearing of Tricone Bits Based on Finite Difference Method

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Yang Liu, Yangzhou She, Wenqi Li
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2025, 147(4): 044103.
Paper No: TRIB-24-1209
https://doi.org/10.1115/1.4066946
Published Online: November 12, 2024
... fluid film lubrication fluid friction hydrodynamic lubrication sliding 18 06 2024 10 10 2024 10 10 2024 12 11 2024 Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . Email: lwq99456@163.com 1 Corresponding author...
View Articletitled, Research on Working Mechanism and Structural Optimization of High-Speed Bearing of Tricone Bits Based on Finite Difference Method
Open the PDF for Research on Working Mechanism and Structural Optimization of High-Speed Bearing of Tricone Bits Based on Finite Difference Method in another window
Topics: Bearings, Clearances (Engineering), Plain bearings, Pressure, Friction, Temperature, Finite difference methods
Journal Articles

Static Characteristics of Hybrid Water-Lubricated Herringbone Groove Journal Bearing

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Ge Xu, Shuyun Jiang, Chibin Zhang, Xiaohui Lin
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2025, 147(4): 044101.
Paper No: TRIB-24-1163
https://doi.org/10.1115/1.4066867
Published Online: October 30, 2024
... fluid film lubrication hydrodynamic lubrication journal bearings pressurized bearings Graphical Abstract Figure 22 05 2024 03 10 2024 04 10 2024 30 10 2024 Copyright © 2024 by ASME 2024 American Society of Mechanical Engineers 0742-4787/2024/147(4)/044101...
View Articletitled, Static Characteristics of Hybrid Water-Lubricated Herringbone Groove Journal Bearing
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Topics: Bearings, Water, Temperature, Journal bearings, Load bearing capacity, Pressure
Journal Articles

Topology Optimization of the Misaligned Water-Lubricated Thrust Bearings

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Chunxing Gu, Jingyi Tu, Di Zhang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2025, 147(1): 014102.
Paper No: TRIB-24-1118
https://doi.org/10.1115/1.4066017
Published Online: September 11, 2024
... ribology . 15 04 2024 12 07 2024 12 07 2024 11 09 2024 Graphical Abstract Figure thrust bearing misalignment topology optimization lubrication regime water lubrication fluid film lubrication hydrodynamic lubrication journal bearings mixed lubrication...
View Articletitled, Topology Optimization of the Misaligned Water-Lubricated Thrust Bearings
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Topics: Bearings, Film thickness, Lubrication, Optimization, Shapes, Surface roughness, Texture (Materials), Thrust bearings, Topology optimization, Water
Journal Articles

Heat Transfer in Squeeze-Film Flow Between Rotating Disks

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Hiral Haria, Nikolaos D. Katopodes, Raj V. Lakhani, Masatoshi Miyagawa, Yutaka Sadaike, Yuji Fujii
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2025, 147(1): 014601.
Paper No: TRIB-24-1164
https://doi.org/10.1115/1.4066206
Published Online: September 11, 2024
... . 22 05 2024 03 08 2024 05 08 2024 11 09 2024 Graphical Abstract Figure heat transfer squeeze-film fluid film lubrication boundary lubrication contact mechanics hydrodynamic lubrication mixed lubrication clutches tribological systems The flow...
View Articletitled, Heat Transfer in Squeeze-Film Flow Between Rotating Disks
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Topics: Disks, Flow (Dynamics), Fluids, Friction, Heat transfer, Temperature, Torque, Pressure, Rotating disks, Heat
Journal Articles

Hydrodynamic Thrust Bearing Test Rig With Novel Bearing Alignment System

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Collier Fais, Muhammad Ali, Isaiah Yasko
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. December 2024, 146(12): 124101.
Paper No: TRIB-24-1022
https://doi.org/10.1115/1.4065500
Published Online: August 30, 2024
... fluid film lubrication fluid friction hydrodynamic lubrication thrust bearings tribological systems Ohio Department of Development 10.13039/100005170 15396-10-1334402 Hydrodynamic thrust bearings support axial loads in rotating shafts by separating the moving components...
View Articletitled, Hydrodynamic Thrust Bearing Test Rig With Novel Bearing Alignment System
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Topics: Bearings, Pressure, Stress, Thrust bearings, Thrust
Journal Articles

Point Contact Elastohydrodynamic Lubrication and Wear in Intermittent Motion

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Mingyu Zhang, Xinqing Wang, Yiming Han, Jing Wang, C. H. Venner
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. December 2024, 146(12): 124103.
Paper No: TRIB-24-1058
https://doi.org/10.1115/1.4065662
Published Online: August 30, 2024
... emission wear intermittent motion film thickness fluid film lubrication scratching thermoelastohydrodynamic lubrication tribological systems Mechanical equipment often employs intermittent mechanisms to convert continuous rotation of the driving part into periodic movements and occasional...
View Articletitled, Point Contact Elastohydrodynamic Lubrication and Wear in Intermittent Motion
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Topics: Acoustic emissions, Cycles, Film thickness, Wear, Lubrication, Signals, Optical interference, Elastohydrodynamic lubrication
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
... Abstract Figure rolling element bearing (REB) lubrication computational fluid dynamics (CFD) oil flow oil starvation fluid film lubrication fluid friction hydrodynamic lubrication The operational efficiency and performance of a rolling element bearing (REB) hinges significantly...
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

Effect of Cavity Shapes on the Lubrication Performance of High Precision Static and Dynamic Thrust Bearing Under Eccentric Load

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Xiaodong Yu, Yanlong Lin, Peng Wang, Zhiyuan Lan, Mingjuan Shao, Lu Li, Enzhao Li, Xinyi Yang, Ruichun Dai, Wentao Jia, Junfeng Wang, Jianhua Jiao, Hui Jiang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2024, 146(10): 104102.
Paper No: TRIB-24-1002
https://doi.org/10.1115/1.4065555
Published Online: June 13, 2024
... thrust bearing eccentric load oil cavity shapes lubrication performance fluid film lubrication hydrodynamic lubrication thrust bearings viscosity Multi-pad structures and separated friction pairs of the static and dynamic thrust bearing provide low friction and operational stability under...
View Articletitled, Effect of Cavity Shapes on the Lubrication Performance of High Precision Static and Dynamic Thrust Bearing Under Eccentric Load
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Topics: Cavities, Stress, Temperature, Shapes, Thrust bearings, Pressure, Simulation, Lubrication
Journal Articles

A Novel Non-Contact Method for Monitoring the Acoustic Emission From Mixed Elastohydrodynamic Lubrication Contacts

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S. Hutt, A. Clarke, H. P. Evans
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. September 2024, 146(9): 094101.
Paper No: TRIB-23-1280
https://doi.org/10.1115/1.4064775
Published Online: May 15, 2024
... [ 6 , 7 ]. Engineering and Physical Sciences Research Council 10.13039/501100000266 L021757 elastohydrodynamic lubrication fluid film lubrication gears mixed lubrication Graphical Abstract Figure 10 08 2023 12 02 2024 14 02 2024 15 05 2024...
View Articletitled, A Novel Non-Contact Method for Monitoring the Acoustic Emission From Mixed Elastohydrodynamic Lubrication Contacts
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Topics: Acoustic emissions, Disks, Film thickness, Gears, Lubrication, Sensors, Stress, Surface roughness, Signals, Wear
Journal Articles

Investigating the Wear Mechanism of TiAlN/TiN PVD-Coated WC Inserts in End Milling of Incoloy 925 Under Synergy of Bio-Degradable Fatty Acids and Nano-Metallic Solid Lubricant

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Shravan Kumar Yadav, Sudarsan Ghosh, Aravindan Sivanandam
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2024, 146(8): 084201.
Paper No: TRIB-23-1478
https://doi.org/10.1115/1.4065239
Published Online: May 3, 2024
.... fatty acids nano-metallic solid lubricant NMQL tool wear mechanism cutting fluid film lubrication wear mechanisms Graphical Abstract Figure 30 12 2023 19 03 2024 20 03 2024 03 05 2024 Contributed by the Tribology Division of ASME for publication in the J...
View Articletitled, Investigating the Wear Mechanism of TiAlN/TiN PVD-Coated WC Inserts in End Milling of Incoloy 925 Under Synergy of Bio-Degradable Fatty Acids and Nano-Metallic Solid Lubricant
Open the PDF for Investigating the Wear Mechanism of TiAlN/TiN PVD-Coated WC Inserts in End Milling of Incoloy 925 Under Synergy of Bio-Degradable Fatty Acids and Nano-Metallic Solid Lubricant in another window
Topics: Cutting, Lubricants, Machining, Wear, Nanoparticles, Milling, Temperature, Thermal conductivity
Journal Articles

In Situ Measurement of Oil Reservoir and Oil Layers by Fluorescence Technique in a Ball-on-Disc Test Rig

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He Liang, Chuang Li, Wenzhong Wang, Yulong Guo
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2024, 146(7): 074102.
Paper No: TRIB-23-1420
https://doi.org/10.1115/1.4064999
Published Online: March 25, 2024
... condition, such as the inlet layer thickness [ 2 ] or the inlet distance [ 3 , 4 ]. oil distribution laser-induced fluorescence point contact contact area elastohydrodynamic lubrication films fluid film lubrication Graphical Abstract Figure 23 11 2023 23 02 2024 23...
View Articletitled, In Situ Measurement of Oil Reservoir and Oil Layers by Fluorescence Technique in a Ball-on-Disc Test Rig
Open the PDF for In Situ Measurement of Oil Reservoir and Oil Layers by Fluorescence Technique in a Ball-on-Disc Test Rig in another window
Topics: Disks, Hydrocarbon reservoirs, Fluorescence, Stress
Journal Articles

Propagation of Uncertainty in Experimental Dynamic Coefficients of Fluid Film Journal Bearings

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Pedro Herrera, Christopher Goyne, Robert Rockwell
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2024, 146(7): 074501.
Paper No: TRIB-23-1252
https://doi.org/10.1115/1.4065002
Published Online: March 25, 2024
... 07 2023 26 02 2024 27 02 2024 25 03 2024 Graphical Abstract Figure bearing design and technology bearings elastohydrodynamic lubrication fluid film lubrication hydrodynamic lubrication journal bearings There is a constant demand for heavy rotating...
View Articletitled, Propagation of Uncertainty in Experimental Dynamic Coefficients of Fluid Film Journal Bearings
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Topics: Bearings, Uncertainty