Journal ArticleDOI
A mixed-TEHD analysis and experiment of journal bearings under severe operating conditions
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TLDR
In this paper, a steady-state mixed-TEHD (thermo-elasto-hydrodynamic) model for journal bearings is developed, which considers the fluid flow in the gap formed by rough surfaces, asperity contact, surface thermoelastic deformations, and a temperature-pressure-viscosity relationship for the lubricant, as well as an angular misalignment between the journal and the bearing.About:
This article is published in Tribology International.The article was published on 2002-06-01. It has received 74 citations till now. The article focuses on the topics: Bearing (mechanical) & Lubrication.read more
Citations
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A review of physics-based models in prognostics: Application to gears and bearings of rotating machinery:
TL;DR: In this paper, an overview of common failure modes of rotating machinery is provided along with the most relevant degradation mechanisms and their application for prognostics are discussed, while the majority of the research in health condition monitoring focuses on data-driven techniques, physicsbased techniques are particularly important if accuracy is a critical factor and testing is restricted.
Journal ArticleDOI
Virtual Texturing: Modeling the Performance of Lubricated Contacts of Engineered Surfaces
Q. Jane Wang,Dong Zhu +1 more
TL;DR: In this article, the relationship between a dimpled texture design and the mixed lubrication characteristics for a typical counterformal contact was explored. And the authors demonstrated that virtual texturing is able to provide comparative information and directions for innovative surface design and optimization.
Journal ArticleDOI
A mixed lubrication model for studying tribological behaviors of surface texturing
TL;DR: In this article, an analytical numerical model was developed to understand the tribological behavior of textured surfaces in mixed lubrication regime, which employed the average flow Reynolds equation and an elasto-plastic contact model, established on the basis of finite element analysis, to calculate the hydrodynamic pressure in full film region and the contact pressure in contact region, respectively.
Journal ArticleDOI
A Comparison of Flattening and Indentation Approaches for Contact Mechanics Modeling of Single Asperity Contacts
Robert L. Jackson,Lior Kogut +1 more
TL;DR: In this article, the authors compared the flattening and indentation approaches for modeling single asperity contacts in order to reveal quantitatively their different behaviors in terms of the constitutive relationships for the contact parameters and deformation regimes.
Journal ArticleDOI
Mixed Lubrication Analyses by a Macro-Micro Approach and a Full-Scale Mixed EHL Model
TL;DR: In this article, the authors presented an improvement of a simplified approach, namely, the macro-micro approach, used to model the mixed elastohydrodynamic lubrication problems in counter-formal contacts, and its comparison with Zhu and Hu's full-scale mixed EHL model.
References
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Journal ArticleDOI
An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication
Nadir Patir,H. S. Cheng +1 more
Journal ArticleDOI
The genesis of friction
Nam P. Suh,H.-C. Sin +1 more
TL;DR: In this paper, the genesis of friction is explained in terms of a new theory, which postulates that the frictional force (and thus the friction coefficient μ) is affected by the sliding distance and the environment because of the changing contributions of three components of friction, i.e., deformation of surface asperities, plowing by wear particles and hard as perities, and adhesion of the flat portions of the sliding surface.
Journal ArticleDOI
An Average Reynolds Equation for Partial Film Lubrication With a Contact Factor
Chengwei Wu,Linqing Zheng +1 more
TL;DR: In this paper, a facteur de contact for simplifier les calculs dans le cas de l'equation de Reynolds moyennee en lubrification avec film partiel is presented.
Journal ArticleDOI
Analysis of Thermal Effects in Hydrodynamic Bearings
Journal ArticleDOI
A Numerical Analysis for Piston Skirts in Mixed Lubrication—Part I: Basic Modeling
TL;DR: In this article, a mathematical model for piston skirls in mixed lubrication is presented, taking into account the effects of surface waviness, roughness, piston skirling surface profile, bulk elastic deformation and thermal distortion on piston motion, lubrication and friction.
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