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Journal Articles

Static Characteristics and Dynamic Coefficients of a Gas–Oil-Lubricated Journal Bearing Under a Pressurized Refrigerant Environment

Che Wang, Zhaodong Zhang, Yuhua Huang, Zibo Zhao, Hua Zhong, Jianhua Wu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. February 2025, 147(2): 024101.
Paper No: TRIB-24-1160
https://doi.org/10.1115/1.4066414
Published Online: September 13, 2024
View Article titled, Static Characteristics and Dynamic Coefficients of a Gas–Oil-Lubricated Journal Bearing Under a Pressurized Refrigerant Environment
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Topics: Bearings, Journal bearings, Lubrication, Pressure, Refrigerants, Stress, Viscosity, Stiffness, Compressors, Damping
Journal Articles

Exploring the Impact of HFO-1234YF Refrigerant on the Tribological Properties of Advanced Polymeric Coatings

Ajinkya Raut, Ahmad Amiri, Andreas A. Polycarpou
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2024, 146(11): 111401.
Paper No: TRIB-24-1049
https://doi.org/10.1115/1.4065870
Published Online: July 30, 2024
View Article titled, Exploring the Impact of HFO-1234YF Refrigerant on the Tribological Properties of Advanced Polymeric Coatings
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Topics: Coatings, Compressors, Refrigerants, Tribology, Wear, Friction, Lubrication, Disks, Fourier transform infrared spectroscopy
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
Publisher: ASME
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

Texture Optimization and Verification for the Thrust Bearing Used in Rotary Compressors Based on a Transient Tribo-Dynamics Model

Bugao Lyu, Lilong Jing, Xianghui Meng, Ruichao Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081801.
Paper No: TRIB-21-1392
https://doi.org/10.1115/1.4053261
Published Online: February 11, 2022
View Article titled, Texture Optimization and Verification for the Thrust Bearing Used in Rotary Compressors Based on a Transient Tribo-Dynamics Model
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Topics: Compressors, Optimization, Texture (Materials), Thrust bearings, Wear, Dynamics (Mechanics), Transients (Dynamics)
Journal Articles

Behaviors of a Hole-Pattern Seal With Wet-Gas

Min Zhang, Dara W. Childs
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. December 2021, 143(12): 121807.
Paper No: TRIB-21-1156
https://doi.org/10.1115/1.4052254
Published Online: September 15, 2021
View Article titled, Behaviors of a Hole-Pattern Seal With Wet-Gas
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Topics: Air flow, Compressors, Damping, Design, Flow (Dynamics), Leakage, Rotors, Stability, Excitation, Stiffness
Journal Articles

Experimental Investigation of the Dynamic Loads in a Ball Bearing Turbocharger

Benjamin Conley, Farshid Sadeghi, Robert C. Griffith, Jeffrey W. McCormack
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. November 2019, 141(11): 111101.
Paper No: TRIB-19-1172
https://doi.org/10.1115/1.4044296
Published Online: August 2, 2019
View Article titled, Experimental Investigation of the Dynamic Loads in a Ball Bearing Turbocharger
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Topics: Bearings, Compressors, Sensors, Stress, Turbines, Turbochargers, Whirls, Ball bearings, Rotation, Manufacturing
Journal Articles

Model Study on the Oil Stiction of a Discharge Reed Valve in Compressors

Fumitaka Yoshizumi, Yasuhiro Kondoh, Takahiro Moroi, Shinji Tamano, Yohei Morinishi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021103.
Paper No: TRIB-17-1132
https://doi.org/10.1115/1.4037539
Published Online: September 29, 2017
View Article titled, Model Study on the Oil Stiction of a Discharge Reed Valve in Compressors
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Topics: Bubbles, Cavitation, Delays, Displacement, Film thickness, Pressure, Simulation, Simulation models, Stiction, Valves
Journal Articles

Whirl and Friction Characteristics of High Speed Floating Ring and Ball Bearing Turbochargers

Matthew D. Brouwer, Farshid Sadeghi, Craig Lancaster, Jamie Archer, James Donaldson
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. October 2013, 135(4): 041102.
Paper No: TRIB-12-1168
https://doi.org/10.1115/1.4024780
Published Online: June 24, 2013
View Article titled, Whirl and Friction Characteristics of High Speed Floating Ring and Ball Bearing Turbochargers
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Topics: Ball bearings, Bearings, Rotors, Turbochargers, Whirls, Compressors, Pressure, Friction, Sensors, Top-tensioned risers
Journal Articles

Rotordynamic Performance of Shimmed Gas Foil Bearings for Oil-Free Turbochargers

Kyuho Sim, Lee Yong-Bok, Tae Ho Kim, Jangwon Lee
Journal: Journal of Tribology
Publisher: ASME
Article Type: Applications
J. Tribol. July 2012, 134(3): 031102.
https://doi.org/10.1115/1.4005892
Published Online: June 25, 2012
View Article titled, Rotordynamic Performance of Shimmed Gas Foil Bearings for Oil-Free Turbochargers
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Topics: Bearings, Rotors, Stress, Compressors, Diesel engines, Deflection, Turbochargers, Foil bearings, Engines, Turbines
Journal Articles

Influence of Groove Size on the Static and Rotordynamic Characteristics of Short, Laminar-Flow Annular Seals

Dara W. Childs, Matthew Graviss, Luis E. Rodriguez
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 398–406.
https://doi.org/10.1115/1.2647471
Published Online: January 5, 2007
View Article titled, Influence of Groove Size on the Static and Rotordynamic Characteristics of Short, Laminar-Flow Annular Seals
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Topics: Clearances (Engineering), Compressors, Damping, Flow (Dynamics), Laminar flow, Leakage, Pressure, Stiffness, Stress, Stators
Journal Articles

Rotordynamics of Small Turbochargers Supported on Floating Ring Bearings—Highlights in Bearing Analysis and Experimental Validation

Luis San Andres, Juan Carlos Rivadeneira, Kostandin Gjika, Christopher Groves, Gerry LaRue
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 391–397.
https://doi.org/10.1115/1.2464134
Published Online: November 13, 2006
View Article titled, Rotordynamics of Small Turbochargers Supported on Floating Ring Bearings—Highlights in Bearing Analysis and Experimental Validation
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Topics: Bearings, Compressors, Lubricants, Rotors, Temperature, Turbochargers, Rotordynamics, Pressure, Whirls
Journal Articles

Clarification of a Semi-Empirical Approach in Piston Ring-Cylinder Bore Conformability Prediction

V. Dunaevsky, J. Rudzitis
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. April 2007, 129(2): 430–435.
https://doi.org/10.1115/1.2647800
Published Online: October 31, 2006
View Article titled, Clarification of a Semi-Empirical Approach in Piston Ring-Cylinder Bore Conformability Prediction
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Topics: Cylinders, Piston rings, Pistons, Compressors, Tribology
Journal Articles

Numerical Modeling of Rotordynamic Coefficients for Deliberately Roughened Stator Gas Annular Seals

Gocha Chochua, Thomas A. Soulas
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. April 2007, 129(2): 424–429.
https://doi.org/10.1115/1.2647531
Published Online: October 20, 2006
View Article titled, Numerical Modeling of Rotordynamic Coefficients for Deliberately Roughened Stator Gas Annular Seals
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Topics: Compressors, Computational fluid dynamics, Rotors, Stators, Geometry, Damping, Stiffness, Computer simulation
Journal Articles

Rotordynamic-Coefficients and Static (Equilibrium Loci and Leakage) Characteristics for Short, Laminar-flow Annular Seals

Dara W. Childs, Luis E. Rodriguez, Vito Cullotta, Adnan Al-Ghasem, Matthew Graviss
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2006, 128(2): 378–387.
https://doi.org/10.1115/1.2164468
Published Online: September 28, 2005
View Article titled, Rotordynamic-Coefficients and Static (Equilibrium Loci and Leakage) Characteristics for Short, Laminar-flow Annular Seals
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Topics: Compressors, Damping, Equilibrium (Physics), Flow (Dynamics), Laminar flow, Leakage, Pressure, Rotors, Stiffness, Stress
Journal Articles

Rotordynamic-Coefficient and Leakage Characteristics for Hole-Pattern-Stator Annular Gas Seals—Measurements Versus Predictions

Dara W. Childs, Leland T. Jordan Professor of Mechanical Engineering, Jonathan Wade, Research Assistant
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2004, 126(2): 326–333.
https://doi.org/10.1115/1.1611502
Published Online: April 19, 2004
View Article titled, Rotordynamic-Coefficient and Leakage Characteristics for Hole-Pattern-Stator Annular Gas Seals—Measurements Versus Predictions
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Topics: Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Pressure, Rotors, Stators, Stiffness, Excitation, Temperature
Journal Articles

Influence of Compressibility on the Helical Viscous Compressor

Coda H. T. Pan, Engineering Consultant,
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2001, 123(1): 108–117.
https://doi.org/10.1115/1.1327581
Published Online: July 20, 2000
View Article titled, Influence of Compressibility on the Helical Viscous Compressor
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Topics: Compressibility, Compressors, Flow (Dynamics), Pressure, Screws, Human reliability analysis
Journal Articles

Dynamic Analysis of Piston Secondary Motion for Small Reciprocating Compressors

A. T. Prata, J. R. S. Fernandes, F. Fagotti
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2000, 122(4): 752–760.
https://doi.org/10.1115/1.1314603
Published Online: April 4, 2000
View Article titled, Dynamic Analysis of Piston Secondary Motion for Small Reciprocating Compressors
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Topics: Pistons, Cylinders, Compressors, Dynamics (Mechanics), Clearances (Engineering), Lubrication, Leakage
Journal Articles

Analysis of High Pressure Liquid Seal Ring Distortion and Stability Using Finite Element Methods

S. K. Baheti, R. G. Kirk
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 1999, 121(4): 921–926.
https://doi.org/10.1115/1.2834156
Published Online: October 1, 1999
View Article titled, Analysis of High Pressure Liquid Seal Ring Distortion and Stability Using Finite Element Methods
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Topics: Finite element methods, High pressure (Physics), Stability, Bushings, Deformation, Compressors, Damping, Leakage, Pressure, Stiffness
Journal Articles

Analysis of Lubricating Characteristics of Rotary Compressors for Domestic Refrigerators

Takao Yoshimura, Kyosuke Ono, Koˆ Inagaki, Hideki Kotsuka, Atsushi Korenaga
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 1999, 121(3): 510–516.
https://doi.org/10.1115/1.2834097
Published Online: July 1, 1999
View Article titled, Analysis of Lubricating Characteristics of Rotary Compressors for Domestic Refrigerators
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Topics: Clearances (Engineering), Compressors, Dynamics (Mechanics), Elastohydrodynamic lubrication, Friction, Pistons, Pressure, Refrigerants, Surface roughness, Theoretical analysis
Journal Articles

Effects of Film Temperature on Piston-Ring Lubrication for Refrigeration Compressors Considering Surface Roughness

H. Nakai, N. Ino, H. Hashimoto
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1998, 120(2): 252–258.
https://doi.org/10.1115/1.2834419
Published Online: April 1, 1998
View Article titled, Effects of Film Temperature on Piston-Ring Lubrication for Refrigeration Compressors Considering Surface Roughness
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Topics: Compressors, Lubrication, Piston rings, Refrigeration, Surface roughness, Temperature, Pressure, Temperature distribution, Bearings, Cylinders