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Yuchuan Liu
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Journal Articles

A Thermal Elastohydrodynamic Lubrication Model for Crowned Rollers and Its Application on Apex Seal–Housing Interfaces

Zhong Liu, David Pickens III, Tao He, Xin Zhang, Yuchuan Liu, Takayuki Nishino, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2019, 141(4): 041501.
Paper No: TRIB-18-1407
https://doi.org/10.1115/1.4042503
Published Online: February 13, 2019
View Article titled, A Thermal Elastohydrodynamic Lubrication Model for Crowned Rollers and Its Application on Apex Seal–Housing Interfaces
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Topics: Elastohydrodynamic lubrication, Film thickness, Pressure, Rollers, Temperature, Knudsen number, Stress, Lubricants, Geometry
Journal Articles

Numerical Solution of Mixed Thermal Elastohydrodynamic Lubrication in Point Contacts With Three-Dimensional Surface Roughness

Xiaopeng Wang, Yuchuan Liu, Dong Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. January 2017, 139(1): 011501.
Paper No: TRIB-15-1245
https://doi.org/10.1115/1.4032963
Published Online: June 15, 2016
View Article titled, Numerical Solution of Mixed Thermal Elastohydrodynamic Lubrication in Point Contacts With Three-Dimensional Surface Roughness
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Topics: Film thickness, Lubricants, Lubrication, Pressure, Surface roughness, Temperature, Stress, Elastohydrodynamic lubrication
Journal Articles

Effects of Differential Scheme and Viscosity Model on Rough-Surface Point-Contact Isothermal EHL

Yuchuan Liu, Q. Jane Wang, Dong Zhu, Wenzhong Wang, Yuanzhong Hu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. October 2009, 131(4): 044501.
https://doi.org/10.1115/1.2842245
Published Online: September 21, 2009
View Article titled, Effects of Differential Scheme and Viscosity Model on Rough-Surface Point-Contact Isothermal EHL
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Topics: Pressure, Surface roughness, Viscosity, Errors, Rheology
Proceedings Papers

A Generalized Thermal EHL Model for Point Contact Problems

Yuchuan Liu, Q. Jang Wang, Dong Zhu, Fanghui Shi
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 281-282, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71120
https://doi.org/10.1115/IJTC2008-71120
View Paper titled, A Generalized Thermal EHL Model for Point Contact Problems
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Topics: Contact mechanics, Temperature, Dimensions, Elastohydrodynamic lubrication, Lubricants, Pressure, Shear (Mechanics), Viscosity
Proceedings Papers

Effect of Stiff Coatings on EHL Film Thickness in Point Contacts

Yuchuan Liu, Q. Jane Wang, Dong Zhu
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 165-166, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44161
https://doi.org/10.1115/IJTC2007-44161
View Paper titled, Effect of Stiff Coatings on EHL Film Thickness in Point Contacts
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Topics: Coatings, Film thickness, Elastic moduli, Lubricants, Materials properties
Proceedings Papers

A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems

Ning Ren, W. Wayne Chen, Dong Zhu, Yuchuan Liu, Q. Jane Wang
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 191-192, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44476
https://doi.org/10.1115/IJTC2007-44476
View Paper titled, A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems
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Topics: Surface roughness, Flow (Dynamics), Lubricants
Proceedings Papers

A Quantitative Solution for the Full Shear-Thinning EHL Point Contact Problem Including Traction

Yuchuan Liu, Q. Jane Wang, Scott Bair, Philippe Vergne
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 1031-1032, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44100
https://doi.org/10.1115/IJTC2007-44100
View Paper titled, A Quantitative Solution for the Full Shear-Thinning EHL Point Contact Problem Including Traction
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Topics: Contact mechanics, Shear (Mechanics), Traction, Viscosity, Film thickness, Simulation, Elastohydrodynamic lubrication, Pressure
Proceedings Papers

Elasto-Plastic Contact Behaviors of Nominally Flat Surfaces: Modeling and Parametric Study

W. Wayne Chen, Yuchuan Liu, Wei Chen, Jiao Cao, Cedric Xia, Raj Talwar, Rick Lederich, Q. Jane Wang
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 539-540, October 22–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2007-44115
https://doi.org/10.1115/IJTC2007-44115
View Paper titled, Elasto-Plastic Contact Behaviors of Nominally Flat Surfaces: Modeling and Parametric Study
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Topics: Algorithms, Engineering simulation, Filtration, Fourier transforms, Materials properties, Modeling, Simulation, Stress, Surface roughness
Journal Articles

A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems

Ning Ren, Dong Zhu, W. Wayne Chen, Yuchuan Liu, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011501.
https://doi.org/10.1115/1.2991291
Published Online: December 2, 2008
View Article titled, A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems
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Topics: Film thickness, Surface roughness, Lubrication
Proceedings Papers

The Pressure-Viscosity Coefficient for Newtonian EHL Film Thickness With General Piezoviscous Response

Scott Bair, Yuchuan Liu, Q. Jane Wang
Proc. ASME. IJTC2006, Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics, 185-196, October 23–25, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2006-12010
https://doi.org/10.1115/IJTC2006-12010
View Paper titled, The Pressure-Viscosity Coefficient for Newtonian EHL Film Thickness With General Piezoviscous Response
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Topics: Film thickness, Pressure, Viscosity, Rheology, Shear (Mechanics), Simulation
Proceedings Papers

EHL Experimental Techniques and Experimental-Numerical Result Comparisons

Yuchuan Liu, Y. Zhang, D. Zhu, Q. Jane Wang
Proc. ASME. IJTC2006, Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics, 235-251, October 23–25, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2006-12258
https://doi.org/10.1115/IJTC2006-12258
View Paper titled, EHL Experimental Techniques and Experimental-Numerical Result Comparisons
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Topics: Capacitance, Contact resistance, Elastohydrodynamic lubrication, Electrical conductivity, Film thickness, Interferometry, Oscillations, Simulation models, Thin film lubrication, Thin films
Journal Articles

Effect of Stiff Coatings on EHL Film Thickness in Point Contacts

Yuchuan Liu, Q. Jane Wang, Dong Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031501.
https://doi.org/10.1115/1.2908908
Published Online: June 20, 2008
View Article titled, Effect of Stiff Coatings on EHL Film Thickness in Point Contacts
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Topics: Coatings, Film thickness, Coating processes, Lubrication, Young's modulus
Journal Articles

The Shear-Thinning Elastohydrodynamic Film Thickness of a Two-Component Mixture

Yuchuan Liu, Q. Jane Wang, Ivan Krupka, Martin Hartl, Scott Bair
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021502.
https://doi.org/10.1115/1.2842298
Published Online: March 20, 2008
View Article titled, The Shear-Thinning Elastohydrodynamic Film Thickness of a Two-Component Mixture
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Topics: Film thickness, Lubricants, Rheology, Shear (Mechanics), Viscosity, Pressure, Simulation, Oils, Petroleum, Friction
Journal Articles

An Elastohydrodynamic Lubrication Model for Coated Surfaces in Point Contacts

Yuchuan Liu, W. Wayne Chen, Dong Zhu, Shuangbiao Liu, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 509–516.
https://doi.org/10.1115/1.2736433
Published Online: February 2, 2007
View Article titled, An Elastohydrodynamic Lubrication Model for Coated Surfaces in Point Contacts
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Topics: Coating processes, Coatings, Deformation, Film thickness, Pressure, Viscosity, Elastohydrodynamic lubrication, Lubrication, Frequency response, Friction
Journal Articles

The Pressure-Viscosity Coefficient for Newtonian EHL Film Thickness With General Piezoviscous Response

Scott Bair, Yuchuan Liu, Q. Jane Wang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 624–631.
https://doi.org/10.1115/1.2197846
Published Online: March 3, 2006
View Article titled, The Pressure-Viscosity Coefficient for Newtonian EHL Film Thickness With General Piezoviscous Response
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Topics: Film thickness, Pressure, Viscosity, Simulation
Journal Articles

Effects of Differential Scheme and Mesh Density on EHL Film Thickness in Point Contacts

Yuchuan Liu, Q. Jane Wang, Wenzhong Wang, Yuanzhong Hu, Dong Zhu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 641–653.
https://doi.org/10.1115/1.2194916
Published Online: March 2, 2006
View Article titled, Effects of Differential Scheme and Mesh Density on EHL Film Thickness in Point Contacts
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Topics: Density, Film thickness, Flow (Dynamics), Pressure
Journal Articles

Numerical Analysis of Dynamic Coefficients for Gas Film Face Seals

Yuchuan Liu, Postdoctoral Fellow, Xinmin Shen, Professor, Wanfu Xu, Associate Professor
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2002, 124(4): 743–754.
https://doi.org/10.1115/1.1472459
Published Online: September 24, 2002
View Article titled, Numerical Analysis of Dynamic Coefficients for Gas Film Face Seals
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Topics: Algorithms, Damping, Degrees of freedom, Finite element methods, Numerical analysis, Stiffness, Pressure, Gas bearings, Hydrostatics, Compressibility