Condition Monitoring System for Planetary Journal Bearings in Wind Turbines Based on Surface Acoustic Wave Measurements—Validation on a System Level [PDF]
SensorsPlanetary journal bearings are enablers for wind turbine gearbox torque density and reliability increase due to their compactness and potentially unlimited lifetime.
Thomas Matthias Decker +6 more
doaj +2 more sources
Effect of wear on the dynamic characteristics of a rigid rotor supported by journal bearings [PDF]
Scientific ReportsThe purpose of this work is to examine the effects of wear severity on the static and dynamic characteristics of journal bearings, and on the vibration response of a rigid rotor supported by journal bearings.
Logamurthi Raja Moorthi +2 more
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Numerical analysis and optimization of continuous texture geometries in thermo-hydrodynamic journal bearings [PDF]
Scientific ReportsJournal bearings play a critical role in many engineering systems, where their performance directly affects operational efficiency and reliability. This study investigates the effect of surface texturing on the thermo-hydrodynamic (THD) behavior of ...
Omar A. Keshk +3 more
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CFD Analysis of Journal Bearing by Modifying The Roughness Surface [PDF]
MATEC Web of Conferences, 2022 A journal bearing is a machine part that is used to ensure that the shaft always rotates in the opposite direction of the axis. Journal bearings are chosen because they are well-suited for use in mechanical systems that demand precision, speed, and a ...
Susilowati S. +5 more
doaj +1 more source
Analysis on the Performances of Misaligned Journal Bearings using Full-Scale Test Rig and Conjugate Heat Transfer Method [PDF]
Journal of Applied Fluid Mechanics, 2022 Misalignment effects increase the risk of scratch or seizure failure for the journal bearings-rotor system. To investigate the performances of misaligned journal bearings, a full-scale journal bearings-rotor system test rig is designed and journal orbits
Q. Li +6 more
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Structural Design and Optimization of Herringbone Grooved Journal Bearings Considering Turbulent
Applied Sciences, 2022 In order to improve the performance of the traditional constant-width herringbone grooved journal bearing in a computed tomography tube under a high-temperature environment, the present study designed a convergent herringbone grooved journal bearing ...
Xichun Liu, Wei Chen
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Lubricants, 2023 To increase the power density of the electromechanical drive train of wind turbines, journal bearings can be used as planetary gear bearings instead of rolling bearings. This technological change presents new challenges.
Benjamin Lehmann +3 more
doaj +1 more source
Quasi-Static Load Sharing Characteristics of a Planetary Gear Set with Planet Journal Bearings
Applied Sciences, 2020 The quasi-static load sharing characteristics of a planetary gear set with planet journal bearings are numerically investigated. The application of journal bearings instead of rolling bearings in planetary gear sets is an alternative to increase the ...
Zhiqiang Guo +3 more
doaj +1 more source
Frontiers in Mechanical Engineering, 2022 A bearing is an element that maintains the relative motion between two components in industrial machines, while a journal bearing is often used to maintain the shaft constantly rotating on its axis. Generally, an increase in journal bearings’ performance
M. Muchammad +6 more
doaj +1 more source
Lubricants, 2022 Marine water-lubricated polymer bearings support the propeller shaft that stretches out of the ship. The bending deformation of propeller shaft often leads to journal misalignment, significantly impacting the bearing performance.
Fangrui Lv +3 more
doaj +1 more source