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Journal Articles

Effect of Humid Tropical Climate and Electrical Current on the Electrical Sliding Wear Behavior of Graphite Brush in Motor

Pham Van Hung, Le Duc Bao, Nguyen Thuy Duong
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. March 2023, 145(3): 031704.
Paper No: TRIB-22-1229
https://doi.org/10.1115/1.4056041
Published Online: November 17, 2022
View Article titled, Effect of Humid Tropical Climate and Electrical Current on the Electrical Sliding Wear Behavior of Graphite Brush in Motor
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Topics: Climate, Graphite, Motors, Temperature, Wear, Electric current
Journal Articles

Friction Layer Analysis of a Surface Acoustic Wave Motor

Tai-Ho Yu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. September 2020, 142(9): 091202.
Paper No: TRIB-19-1543
https://doi.org/10.1115/1.4046803
Published Online: April 21, 2020
View Article titled, Friction Layer Analysis of a Surface Acoustic Wave Motor
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Topics: Displacement, Friction, Stress, Motors
Journal Articles

Steady-State Tilting-Pad Bearing Performance Under Reduced Oil Supply Flow Rates

Bradley R. Nichols, Roger L. Fittro, Christopher P. Goyne
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051701.
Paper No: TRIB-17-1317
https://doi.org/10.1115/1.4039408
Published Online: April 3, 2018
View Article titled, Steady-State Tilting-Pad Bearing Performance Under Reduced Oil Supply Flow Rates
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Topics: Bearings, Flow (Dynamics), Steady state, Temperature, Pressure, Cavitation, Engines, Motors
Journal Articles

An Adsorption Model for Hydraulic Motor Lubrication

Paul W. Michael, Shreya Mettakadapa, Shima Shahahmadi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. January 2016, 138(1): 014503.
Paper No: TRIB-15-1094
https://doi.org/10.1115/1.4031139
Published Online: September 3, 2015
View Article titled, An Adsorption Model for Hydraulic Motor Lubrication
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Topics: Boundary lubrication, Fluids, Hydraulic motors, Lubrication, Mechanical efficiency, Motors, Traction, Viscosity, Torque, Engines
Journal Articles

In Memoriam: Frederick F. Ling

Francis E. Kennedy
Journal: Journal of Tribology
Publisher: ASME
Article Type: In Memoriam
J. Tribol. July 2015, 137(3): 030102.
Paper No: TRIB-15-1048
https://doi.org/10.1115/1.4030168
Published Online: July 1, 2015
View Article titled, In Memoriam: Frederick F. Ling
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Topics: Engineering teachers, Mechanical engineering, Tribology, Governments, Students, Aerospace engineering, Air Force, China, Civil engineering, Collaboration
Journal Articles

Robust Optimum Design of Fluid Dynamic Bearing for Hard Disk Drive Spindle Motors

Hiromu Hashimoto, Masayuki Ochiai, Yuta Sunami
Journal: Journal of Tribology
Publisher: ASME
Article Type: Applications
J. Tribol. October 2012, 134(4): 041102.
https://doi.org/10.1115/1.4007246
Published Online: August 23, 2012
View Article titled, Robust Optimum Design of Fluid Dynamic Bearing for Hard Disk Drive Spindle Motors
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Topics: Bearings, Design, Motors, Friction, Torque
Journal Articles

Finite Element Analysis of the Coupled Journal and Thrust Bearing in a Computer Hard Disk Drive

G. H. Jang, S. H. Lee, H. W. Kim
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2006, 128(2): 335–340.
https://doi.org/10.1115/1.2162918
Published Online: October 17, 2005
View Article titled, Finite Element Analysis of the Coupled Journal and Thrust Bearing in a Computer Hard Disk Drive
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Topics: Bearings, Boundary-value problems, Disks, Finite element analysis, Pressure, Thrust bearings, Horizontal directional drilling, Stress, Journal bearings, Friction
Journal Articles

Analysis of a Hydrodynamic Bearing of a HDD Spindle Motor at Elevated Temperature

G. H. Jang, K. S. Kim, H. S. Lee, C. S. Kim, Senior Researchers
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2004, 126(2): 353–359.
https://doi.org/10.1115/1.1611500
Published Online: April 19, 2004
View Article titled, Analysis of a Hydrodynamic Bearing of a HDD Spindle Motor at Elevated Temperature
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Topics: Bearings, Clearances (Engineering), Engines, Heat conduction, Horizontal directional drilling, Motors, Temperature, Viscosity, Journal bearings, Thermal deformation
Journal Articles

Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System

G. H. Jang, Y. J. Kim
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1999, 121(3): 499–505.
https://doi.org/10.1115/1.2834095
Published Online: July 1, 1999
View Article titled, Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System
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Topics: Bearings, Degrees of freedom, Rotors, Engines, Motors, Thrust bearings, Ball bearings, Damping, Disks, Finite element methods
Journal Articles

A Method of Reducing Windage Power Loss in a Laser Scanner Mirror by Using the Pumping Effect of Herringbone-Grooved Gas Journal Bearings

S. Yoshimoto, A. Takahashi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1999, 121(3): 506–509.
https://doi.org/10.1115/1.2834096
Published Online: July 1, 1999
View Article titled, A Method of Reducing Windage Power Loss in a Laser Scanner Mirror by Using the Pumping Effect of Herringbone-Grooved Gas Journal Bearings
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Topics: Journal bearings, Lasers, Mirrors, Engines, Motors, Energy consumption, Vacuum pumps, Laser beams, Rotation, Rotors
Journal Articles

Pumping Characteristics of a Herringbone-Grooved Journal Bearing Functioning as a Viscous Vacuum Pump

S. Yoshimoto, Professor, Y. Ito, Graduate Student, A. Takahashi, Manager,
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2000, 122(1): 131–136.
https://doi.org/10.1115/1.555371
Published Online: June 23, 1999
View Article titled, Pumping Characteristics of a Herringbone-Grooved Journal Bearing Functioning as a Viscous Vacuum Pump
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Topics: Journal bearings, Pressure, Vacuum pumps, Engines, Motors, Bearings, Slip flow
Journal Articles

Frictional and Electrical Characteristics of Grooved Fluid Film Bearings for High-Speed Laser Scanner Motor

Young-Ze Lee, Seong-Hun Jeong, Kwang-Seob Jeong
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2000, 122(3): 557–564.
https://doi.org/10.1115/1.555401
Published Online: February 8, 1999
View Article titled, Frictional and Electrical Characteristics of Grooved Fluid Film Bearings for High-Speed Laser Scanner Motor
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Topics: Bearings, Motors, Oriented strand board, Metals, Fluid bearings
Journal Articles

Thermohydrodynamic Seizure: Experimental and Theoretical Analysis

J. Y. Jang, M. M. Khonsari, M. D. Pascovici
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1998, 120(1): 8–15.
https://doi.org/10.1115/1.2834196
Published Online: January 1, 1998
View Article titled, Thermohydrodynamic Seizure: Experimental and Theoretical Analysis
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Topics: Theoretical analysis, Thermohydrodynamics, Engines, Flow (Dynamics), Journal bearings, Motors, Bearings, Clearances (Engineering), Engineering simulation, Heat transfer
Journal Articles

A Statistical Model for Interpreting Hard Disk Drive Stiction Measurements

D. Meyer, P. Goglia, A. K. Menon, Y. Li
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1997, 119(1): 43–48.
https://doi.org/10.1115/1.2832478
Published Online: January 1, 1997
View Article titled, A Statistical Model for Interpreting Hard Disk Drive Stiction Measurements
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Topics: Disks, Stiction, Failure, Engines, Motors, Sliding friction, Errors, Filtration, Particle spin, Probability
Journal Articles

Experimental Study of Thermal Effects in Tilting-Pad Journal Bearings at High Operating Speeds

C. Bouchoule, M. Fillon, D. Nicolas, F. Barresi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1996, 118(3): 532–538.
https://doi.org/10.1115/1.2831570
Published Online: July 1, 1996
View Article titled, Experimental Study of Thermal Effects in Tilting-Pad Journal Bearings at High Operating Speeds
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Topics: Bearing design, Bearings, Engines, Flow (Dynamics), Journal bearings, Machinery, Motors, Stress, Temperature, Temperature effects
Journal Articles

Dynamic Characteristics of Hard Disk Drive Spindle Motors—Comparison Between Ball Bearings and Hydrodynamic Bearings

C.-P. Roger Ku
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1996, 118(2): 402–406.
https://doi.org/10.1115/1.2831316
Published Online: April 1, 1996
View Article titled, Dynamic Characteristics of Hard Disk Drive Spindle Motors—Comparison Between Ball Bearings and Hydrodynamic Bearings
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Topics: Ball bearings, Bearings, Disks, Motors, Bearing design, Computers, Damping, Data storage systems, Stiffness, Vibration
Journal Articles

EHD Analysis, Including Structural Inertia Effects and a Mass-Conserving Cavitation Model

D. Bonneau, D. Guines, J. Freˆne, J. Toplosky
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1995, 117(3): 540–547.
https://doi.org/10.1115/1.2831288
Published Online: July 1, 1995
View Article titled, EHD Analysis, Including Structural Inertia Effects and a Mass-Conserving Cavitation Model
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Topics: Cavitation, Inertia (Mechanics), Bearings, Algorithms, Deformation, Elasticity, Kinematics, Lubrication, Motors, Newton's method
Journal Articles

Mixed Lubrication Characteristics Between the Piston and Cylinder in Hydraulic Piston Pump-Motor

Yi Fang, Masataka Shirakashi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 1995, 117(1): 80–85.
https://doi.org/10.1115/1.2830610
Published Online: January 1, 1995
View Article titled, Mixed Lubrication Characteristics Between the Piston and Cylinder in Hydraulic Piston Pump-Motor
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Topics: Cylinders, Lubrication, Motors, Pistons, Pumps, Engines, Pressure, Numerical analysis, Electrical resistance, Machinery
Journal Articles

Effect of the Rotor/Stator Interface Condition Including Contact Type, Geometry, and Material on the Performance of Ultrasonic Motor

Takashi Maeno, David B. Bogy
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 1994, 116(4): 726–732.
https://doi.org/10.1115/1.2927326
Published Online: October 1, 1994
View Article titled, Effect of the Rotor/Stator Interface Condition Including Contact Type, Geometry, and Material on the Performance of Ultrasonic Motor
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Topics: Geometry, Rotors, Stators, Ultrasonic motors, Motors, Displacement, Finite element analysis, Friction, Inertia (Mechanics), Shapes
Journal Articles

Dynamic Analysis of Gas Lubricated Reciprocating Ringless Pistons—Basic Modeling

K. Gommed, I. Etsion
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1993, 115(2): 207–213.
https://doi.org/10.1115/1.2920993
Published Online: April 1, 1993
View Article titled, Dynamic Analysis of Gas Lubricated Reciprocating Ringless Pistons—Basic Modeling
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Topics: Dynamic analysis, Modeling, Pistons, Stability, Computer software, Cycles, Cylinders, Design, Dynamics (Mechanics), Engines