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Molecular dynamics simulation of the Stribeck curve: Boundary lubrication, mixed lubrication, and hydrodynamic lubrication on the atomistic level
Lubricated contact processes are studied using classical molecular dynamics simulations for determining the entire range of the Stribeck curve....
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Effect and optimization of triangular textures on lubrication performance of hydrostatic and hydrodynamic hybrid thrust bearings
To enhance the loading capacity of the oil film and reduce its temperature, this article establishes a model of a hydrostatic and hydrodynamic hybrid...
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Application of physics-informed neural network in the analysis of hydrodynamic lubrication
The last decade has witnessed a surge of interest in artificial neural network in many different areas of scientific research. Despite the rapid...
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Study on Grease Elasto-Hydrodynamic Lubrication of Deep Groove Ball Bearings
Deep groove ball bearings are widely applied and usually work in the Elasto-hydrodynamic lubrication (EHL) state. Grease lubrication is widely used...
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Newton-GMRES Method for Thermal Elasto-hydrodynamic Lubrication of Line Contact Problems
The paper presents, the Newton-GMRES method for the numerical solution of thermal elasto-hydrodynamic lubrication of line contact problem. The...
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Theoretical Analysis and Experimental Research of Surface Texture Hydrodynamic Lubrication
The research on surface texture is develo** from single macro-texture to composite micro-nano texture. The current research on the anti-friction...
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Simulation of Sliding Friction with Lubrication in the Hydrodynamic Friction Regime
AbstractComparative studies of the numerical method of determining the temperature of an alloyed lubricating layer and the friction moment with...
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Study and Optimization of a Numerical Algorithm for Hydrodynamic Lubrication Problems with Cavitation
We present a study of a method to solve numerically stationary problems of hydrodynamic lubrication with cavitation in bearings using the finite...
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Recent advances in ocular lubrication
The ocular lubrication, where the eyelid constantly slides on the curved corneal surface, is considered as one of primary lubrication systems in...
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Numerical analysis of lubrication properties on a bio-inspired parabolic textured surface
This study proposed a unique texture type with parabolic grooves inspired by the parabolic grooves on the surface of a cuttlebone to improve the...
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A lubrication model for bubbly oil lubrication with interfacial effect and thermal effect using the theory of multiphase mixtures
Bubbly oil lubrication is a type of lubrication method. However, the lubrication model of the bubbly oil has not been thoroughly considered. This...
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Friction and wear performance of polyether ether ketone (PEEK) polymers in three lubrication regimes
This experimental study investigates the friction and wear of three coatings commonly used in industrial applications, particularly in hydrodynamic...
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Multiscale Hydrodynamic Journal Bearing with Ultra Low Surface Separation
When the hydrodynamic journal bearing works under excessively heavy loads, there will be the mixed hydrodynamic regime. In the local area, due to the...
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A new 3D plastoelastohydrodynamic lubrication model for rough surfaces
Plastoelastohydrodynamic lubrication of rough surfaces (R-PEHL) is a cutting-edge area of research in interface fluid-structure coupling analysis....
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Numerical Simulation of the Lubrication System of Aircraft Piston Engines
AbstractThe paper presents the results that served as a methodological basis for creating a digital twin of a piston engine lubrication system. A CAD...
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Multibody Lubrication Dynamics of Mechanical Transmission System
In a transmission multibody system, it consists of several lubricated frictional pairs which transmit motions and forces among components. Under...
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Cost-Effectiveness of an Automatic Lubrication System for Bearings
Improper lubrication is a leading cause of bearing failures, accounting for half of all instances. Lubricating bearings with grease or oil forms a...
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Multiscale Analysis of Hydrodynamic Journal Bearing Considering the Effect of the Physically Adsorbed Boundary Layer
In itself, there is a very thin boundary layer physically adsorbed to the bearing surface. When the bearing clearance is far larger than the...
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Development of Pressure Sensors Integration Method to Measure Oil Film Pressure for Hydrodynamic Linear Guides
The accuracy of the machined workpiece depends on the true conditions of the hydrodynamic linear guides. Linear guides based on hydrodynamic...
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Research Progress of Hydrostatic Bearing and Hydrostatic-Hydrodynamic Hybrid Bearing in High-End Computer Numerical Control Machine Equipment
Hydrostatic bearing has the advantages of wide speed range, large bearing capacity, high precision and stability. Hydrostatic-hydrodynamic hybrid...
