Contributions of molecular dynamics simulations to elastohydrodynamic lubrication
The prediction of friction under elastohydrodynamic lubrication (EHL) conditions remains
one of the most important and controversial areas of tribology. This is mostly because the …
one of the most important and controversial areas of tribology. This is mostly because the …
Effect of nanoscale surface roughness on sliding friction and wear in mixed lubrication
P Wang, H Liang, L Jiang, L Qian - Wear, 2023 - Elsevier
Surface roughness is significant to friction and wear. However, the influence remains
elusive, especially at the nanoscale. This study aimed to explore the effect of the nanoscale …
elusive, especially at the nanoscale. This study aimed to explore the effect of the nanoscale …
An approach for quantitative EHD friction prediction based on rheological experiments and molecular dynamics simulations
Lubricated friction is controlled by the contact operating conditions, including temperature,
normal load and sliding. In the elastohydrodynamic (EHD) regime, the rheological …
normal load and sliding. In the elastohydrodynamic (EHD) regime, the rheological …
Probing the high-pressure viscosity of hydrocarbon mixtures using molecular dynamics simulations
Computational predictions of the high-pressure viscosity of hydrocarbon mixtures could help
to accelerate the development of fuels and lubricants with improved performance. In this …
to accelerate the development of fuels and lubricants with improved performance. In this …
The role of the glass transition for EHL minimum film thickness
When the glass transition is considered in an EHL traction analysis, shear-thinning is not
sufficient to explain experiments because there is no liquid behavior to shear-thin and a …
sufficient to explain experiments because there is no liquid behavior to shear-thin and a …
Predicting shear viscosity of 1, 1-diphenylethane at high pressures by molecular dynamics methods
In this paper, we use the molecular dynamics methods to predict the pressure-viscosity
dependencies of model lubricant 1, 1-diphenylethane up to 800 MPa along three isotherms …
dependencies of model lubricant 1, 1-diphenylethane up to 800 MPa along three isotherms …
A traction (friction) curve is not a flow curve
S Bair - Lubricants, 2022 - mdpi.com
With the uncertainty regarding the global energy future, the ability to lubricate concentrated
contacts with sufficiently thick liquid films while minimizing friction is of extreme importance …
contacts with sufficiently thick liquid films while minimizing friction is of extreme importance …
Evaluation of Various Shear-Thinning Models for Squalane Using Traction Measurements, TEHD and NEMD Simulations
T Neupert, D Bartel - Lubricants, 2023 - mdpi.com
The accurate prediction of friction in highly loaded concentrated contacts is one of the most
challenging aspects of thermal elastohydrodynamic (TEHD) simulation. The correct …
challenging aspects of thermal elastohydrodynamic (TEHD) simulation. The correct …
Predicting viscosity-concentration dependencies of binary organic mixtures using molecular dynamics methods
The shear viscosity of organic liquids is very important for industrial applications. This paper
focuses on the blind prediction of concentration-viscosity dependencies for organic mixtures …
focuses on the blind prediction of concentration-viscosity dependencies for organic mixtures …
Scale and contact geometry effects on friction in thermal EHL: twin-disc versus ball-on-disc
Abstract Plint (IMechE 182 (1): 300–306, 1967) reported a reduced coefficient of friction with
increasing roller sizes in EHL traction measurements. In this study, a similar scale effect has …
increasing roller sizes in EHL traction measurements. In this study, a similar scale effect has …