Performance improvement of an oil-lubricated journal bearing using bionic-textures fused micro-pockets

MR Pattnayak, RK Pandey… - Journal of …, 2022 - asmedigitalcollection.asme.org
This article investigates the static and dynamic performances of bionic textures fused micro-
pocketed journal bearing considering cavitation. The new bionic textures placed inside the …

Stabilized finite elements for the solution of the Reynolds equation considering cavitation

H Gravenkamp, S Pfeil, R Codina - Computer Methods in Applied …, 2024 - Elsevier
The Reynolds equation, combined with the Elrod algorithm for including the effect of
cavitation, resembles a nonlinear convection–diffusion–reaction (CDR) equation. Its solution …

[HTML][HTML] Semi-analytical solution of the Reynolds equation considering cavitation

S Pfeil, H Gravenkamp, F Duvigneau… - International Journal of …, 2023 - Elsevier
The numerical effort of rotordynamic simulations with hydrodynamic bearings is often
dominated by the solution of the Reynolds equation. Because of the nonlinear fluid …

Numeric based low viscosity adiabatic thermo-tribological performance analysis of piston-skirt liner system lubrication at high engine speed

Y Hamid, A Usman, SK Afaq, CW Park - Tribology International, 2018 - Elsevier
In conjunction with lubricant oil film dynamics, automotive piston's primary and secondary
motion indicatively affect the engine noise and frictional losses (fuel economy). The …

Partitioned fluid-structure interaction techniques applied to the mixed-elastohydrodynamic solution of dynamically loaded connecting-rod big-end bearings

FJ Profito, DC Zachariadis, D Dini - Tribology International, 2019 - Elsevier
The present contribution proposes different partitioned techniques, which are commonly
used in fluid-structure interaction (FSI) applications, in the context of tribological simulations …

A new thermal elasto-hydrodynamic lubrication solver implementation in OpenFOAM

J Layton, BC Rothwell, S Ambrose, C Eastwick… - Lubricants, 2023 - mdpi.com
Designing effective thermal management systems within transmission systems requires
simulations to consider the contributions from phenomena such as hydrodynamic lubrication …

[HTML][HTML] Experimental comparison of the transition speed of a hydrodynamic journal bearing lubricated with oil and magnetorheological fluid

GHG van der Meer, F Quinci, W Litwin, M Wodtke… - Tribology …, 2023 - Elsevier
A journal bearing test bench is used to find the transition speed between the hydrodynamic
and mixed lubrication regimes for a modified magnetorheological (MR) fluid. It is shown that …

Thermal preload for predicting performance change due to pad thermal deformation of tilting pad journal bearing

YD Chun, J Lee, J Lee, J Suh - Lubricants, 2022 - mdpi.com
Thermal deformation of journal bearings operating under high-temperature conditions can
have a significant effect on changes in bearing performance. However, no attempt has been …

Towards accurate prediction of unbalance response, oil whirl and oil whip of flexible rotors supported by hydrodynamic bearings

R Eling, M Te Wierik, R Van Ostayen, D Rixen - Lubricants, 2016 - mdpi.com
Journal bearings are used to support rotors in a wide range of applications. In order to
ensure reliable operation, accurate analyses of these rotor-bearing systems are crucial …

Efficient thermohydrodynamic radial and thrust bearing modeling for transient rotor simulations

I Chatzisavvas - 2018 - tuprints.ulb.tu-darmstadt.de
Hydrodynamic bearings are usually employed to support rotating machines, both in the axial
as well as in the radial direction. Both bearing types influence the vibration behavior of …