On the characteristics of misaligned journal bearings

JY Jang, MM Khonsari - Lubricants, 2015 - mdpi.com
Journal bearing misalignment arise generally from the shaft deformation under load,
deflection of the shaft, manufacturing and assembly errors, improper installation, and …

Thermal-elastohydrodynamic lubrication study of misaligned journal bearing in wind turbine gearbox

J Gong, K Liu, Y Zheng, F Meng - Tribology International, 2023 - Elsevier
Owing to the simple structure, large load-carrying capacity and long life, journal bearings
supporting planet gears (JBSP) are increasingly used in the wind turbine gearbox. The …

Performance of hydrodynamic journal bearing under the combined influence of textured surface and journal misalignment: A numerical survey

B Manser, I Belaidi, A Hamrani… - Comptes …, 2019 - comptes-rendus.academie-sciences …
A wisely chosen geometry of micro textures with the favorable relative motion of lubricated
surfaces in contacts can enhance tribological characteristics. In this paper, a computational …

Effect of rectangular rough dimples of textured surface on tribological behavior of a hydrodynamic journal bearing

YA Masmoudi, AB Chaouche, A Mokhtari - Tribology International, 2023 - Elsevier
The geometry and location of the textures can affect the hydrodynamic bearing and
coefficient of friction for the journal bearing case. The present study deals with the analysis …

Operating behavior of sliding planet gear bearings for wind turbine gearbox applications—part II: impact of structure deformation

T Hagemann, H Ding, E Radtke, H Schwarze - Lubricants, 2021 - mdpi.com
The use of planetary gear stages intends to increase power density in drive trains of rotating
machinery. Due to lightweight requirements on this type of machine elements, structures are …

Combined influence of geometric imperfections and misalignment of journal on the performance of four pocket hybrid journal bearing

AK Rajput, SC Sharma - Tribology International, 2016 - Elsevier
The present study investigates the effect of misalignment of journal in conjunction with the
effect of geometric imperfections of journal on the performance of four pocket hybrid journal …

A novel design of journal bearings for stability under shock loads

SH Hong - Scientific Reports, 2024 - nature.com
Mechanical systems are expected to operate under various load conditions, and it is
necessary to use a lubrication system to achieve reliability and stable performance. Journal …

Misalignment analysis of journal bearing influenced by asymmetric deflection, based on a simple stepped shaft model

Z He, J Zhang, W Xie, Z Li, G Zhang - Journal of Zhejiang university …, 2012 - Springer
The effects of journal misalignment on a journal bearing caused by an asymmetric rotor
structure are presented in this study. A new model considering the asymmetric deflection is …

Analysis of the performance of chamfered finite-length journal bearings under dynamic loads

HU Jamali, HS Sultan, OI Abdullah, ANJ Al-Tamimi… - Mathematics, 2023 - mdpi.com
Misalignment is one of the most common challenges that the normal operation of journal
bearings faces. This type of problem may be the result of a wide range of reasons, such as …

Effect of chamfer form and parameters on the characteristics of finite length journal bearing under impact load

HU Jamali, HS Sultan, OI Abdullah, ANJ Al-Tamimi… - Lubricants, 2023 - mdpi.com
Journal bearings in typical applications are subjected to misalignment due to several
causes, such as shaft deformation under load and errors related to the installation and …