Pressure distribution in small hydrodynamic journal bearings considering cavitation: a numerical approach based on the open‐source CFD code OpenFOAM®

F Concli - Lubrication Science, 2016 - Wiley Online Library
Hydrodynamic journal bearings are traditionally designed using the half‐Sommerfeld theory.
This consists in a semi‐analytical solution of the continuity and momentum conservation …

Simulation of thermo-hydrodynamic behavior of journal bearings, lubricating with commercial oils of different performance

ME Kyrkou, PG Nikolakopoulos - Simulation Modelling Practice and Theory, 2020 - Elsevier
This paper tries to display complete thermo-hydrodynamic research in journal bearings,
investigating the growing pressure and temperature rise inside the bearing during operation …

[HTML][HTML] Hydrodynamic lubrication behavior under miscellaneous operational conditions via CGB numerical model

NA Marey, WM El-Maghlany, M Fayed, AA Ali - Alexandria Engineering …, 2024 - Elsevier
The current study is basically focused on investigating the possible ways to enhance the
lubricating oil film performance and hence ship energy efficiency of marine journal bearings …

[HTML][HTML] Analysis of the influence of calculation parameters on the design of the gearbox of a high-power wind turbine

F Rubio, C Llopis-Albert, AM Pedrosa - Mathematics, 2023 - mdpi.com
As wind turbine power requirements have evolved from the order of kilowatts (kWs) to the
order of several megawatts (MWs), wind turbine components have been subjected to more …

[HTML][HTML] Evaluation of bearing's cavitation effects on the rotor dynamic behavior

DJ Ramos, GB Daniel - Applied Mathematical Modelling, 2020 - Elsevier
This work evaluates the influence of the cavitation effects of hydrodynamic journal bearings
on the rotating system dynamic response. Several simulations were performed in order to …

[HTML][HTML] Experimental and numerical investigation of static and dynamic characteristics of bio-oils and SAE40 in fluid film journal bearing

MI Sadiq, WAW Ghopa, MZ Nuawi, MR Rasani… - Materials, 2022 - mdpi.com
Mineral-based oils are the market leaders when it comes to their consumption in different
types of rotating machines. Recently, a lot of attention has been given to the bio-oils and …

An investigation into the thermal effects on a hydrodynamic bearing's clearance

CA Laukiavich, MJ Braun, AJ Chandy - Tribology transactions, 2015 - Taylor & Francis
The scope of this article is to examine the effects of thermal expansion (up to seizure) on the
clearance of a hydrodynamic bearing under prescribed operating conditions. This …

Application of computational fluid dynamics for thermohydrodynamic analysis of high-speed squeeze-film dampers

M Perreault, S Hamzehlouia… - Transactions of the …, 2019 - cdnsciencepub.com
In high-speed turbomachinery, the presence of rotor vibrations, which produce undesirable
noise or shaft deflection and losses in performance, has brought up the need for the …

[HTML][HTML] Journal bearing: An integrated CFD-analytical approach for the estimation of the trajectory and equilibrium position

F Concli - Applied Sciences, 2020 - mdpi.com
For decades, journal bearings have been designed based on the half-Sommerfeld
equations. The semi-analytical solution of the conservation equations for mass and …

A Novel Approach for Identifying Gas Cavitation in Oil Jet Pumps for Lubrication Systems.

J Zhang, P Ma, S Gan, X Hu… - Journal of Mechanical …, 2019 - search.ebscohost.com
Gas cavitation has significant influence on the performance of oil jet pumps for lubrication
systems in turbo machinery. This study provides a novel approach for identifying gas …