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Journal Articles

Effects of Different Friction Coefficients on Input Torque Distribution in the Bolt Tightening Process Based on the Energy Method

Kai Jiang, Zhifeng Liu, Yida Wang, Yang Tian, Caixia Zhang, Tao Zhang
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071203.
Paper No: TRIB-21-1268
DOI: https://doi.org/10.1115/1.4052638
Published Online: February 8, 2022
... 28 09 2021 28 09 2021 08 02 2022 input torque distribution energy method different friction coefficients FEA contact bolt Beijing University of Technology 10.13039/501100003444 No.51975019 No.51705010 No.3192003 KM201810005013 Q6001211202102 Bolts...
View Article titled, Effects of Different Friction Coefficients on Input Torque Distribution in the Bolt Tightening Process Based on the Energy Method
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Topics: Friction, Thread, Torque, Finite element analysis, Bearings, Stress
Journal Articles

Ferrofluid Lubrication of Optimized Spiral-Grooved Conical Hybrid Journal Bearing Using Current-Carrying Wire Model

Abhishek Kumar, Satish C. Sharma
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. April 2022, 144(4): 041801.
Paper No: TRIB-21-1131
DOI: https://doi.org/10.1115/1.4051479
Published Online: June 29, 2021
... for distinct cross-sectional shapes of spiral grooves. nonrecess conical bearing spiral grooves ferrofluid FEA bearing design and technology fluid film lubrication journal bearings lubricants rheology surface properties and characterization The incorporation of spiral grooves...
View Article titled, Ferrofluid Lubrication of Optimized Spiral-Grooved Conical Hybrid Journal Bearing Using Current-Carrying Wire Model
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Topics: Bearings, Ferrofluids, Journal bearings, Lubricants, Lubrication, Magnetic fields, Wire, Stress, Shapes, Pressure
Journal Articles

Magnetohydrodynamics of Lubricant in Recessed Conical Hybrid Journal Bearing With Taper Error

Abhishek Kumar, Satish C. Sharma
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081801.
Paper No: TRIB-20-1209
DOI: https://doi.org/10.1115/1.4049068
Published Online: November 20, 2020
... 02 11 2020 02 11 2020 20 11 2020 recess conical bearing taper error magnetohydrodynamics FEA bearing design and technology fluid film lubrication hydrostatic lubrication journal bearings lubricants pressurized bearings surface properties and characterization...
View Article titled, Magnetohydrodynamics of Lubricant in Recessed Conical Hybrid Journal Bearing With Taper Error
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Topics: Bearings, Errors, Journal bearings, Lubricants, Magnetohydrodynamics, Stress, Fluid films
Journal Articles

On the Effective Viscosity Expression for Modeling Squeeze-Film Damping at Low Pressure

Maria F. Pantano, Leonardo Pagnotta, Salvatore Nigro
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. July 2014, 136(3): 031702.
Paper No: TRIB-13-1190
DOI: https://doi.org/10.1115/1.4026592
Published Online: March 25, 2014
.... squeeze-film damping MEMS rarefaction FEA Navier–Stokes equation Compared to methods based on molecular dynamics [ 1 , 2 ], the “effective viscosity” approach results to be much more competitive in terms of simplicity of application, solution times, and computing resources for modeling squeeze...
View Article titled, On the Effective Viscosity Expression for Modeling Squeeze-Film Damping at Low Pressure
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Topics: Damping, Navier-Stokes equations, Pressure, Viscosity, Modeling, Q-factor
Journal Articles

Short Term Relaxation Modeling of Valve Stem Packings

Mohammed Diany, Abdel-Hakim Bouzid
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 032201.
DOI: https://doi.org/10.1115/1.3118787
Published Online: May 26, 2009
... compression packings. creep finite element analysis sealing materials valves viscoelasticity packing stuffing-box relaxation analytical modeling viscoelasticity FEA The packing is compressed by the gland, which exerts a load uniformly distributed on the packing top face...
View Article titled, Short Term Relaxation Modeling of Valve Stem Packings
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Topics: Packings (Cushioning), Relaxation (Physics), Stress, Valves, Viscoelasticity, Packing (Shipments), Finite element analysis, Pressure, Modeling, Finite element model