Results 21 to 30 of about 1,901,860 (365)
A method for the measurement of hydrodynamic oil films using ultrasonic reflection [PDF]
, 2004 The measurement of the thickness of an oil film in a lubricated component is essential information for performance monitoring and control. In this work, a new method for oil film thickness measurement, based on the reflection of ultrasound, is evaluated ...
Drinkwater, B.W. +2 more
core +1 more source
Wear Influence on Performance of Conical Hydrodynamic Journal Bearing
Tribology in Industry, 2022 In many industries, hydrodynamic journal bearings support the rotor in rotating machineries like large turbines, generators, compressors, gearboxes, etc. where load acts in both axial as well as radial direction.
Dinesh H. Kamble +2 more
doaj +1 more source
The design and analysis of a high-speed circular arc gear pump journal bearing
Advances in Mechanical Engineering, 2018 A series of problems arise when a gear pump operates at high speed, including instability of the rotor, deformation of the chamber, and wear of the journal bearing. Among all failure modes, journal bearing wear is the most serious.
Yang Zhou, Bowen Che, Ci Yuan
doaj +1 more source
Advances in Mechanical Engineering, 2019 Hydrodynamic journal bearing is an important part of rotary machine and faces many challenges such as high rotating speed, heavy specific pressure, and large temperature rise with the development of industry.
Yu Zhang, Guoding Chen, Lin Wang
doaj +1 more source
Spherical contact mechanical analysis of roller cone drill bits journal bearing
Petroleum, 2016 Fang contact model is introduced to analyze stress of the spherical fixed ring journal bearing. Developed calculation programs in the MATLAB software which are utilized to calculate the contact characteristics of roller cone drill bits spherical fixed ...
Wei He +5 more
doaj +1 more source
Applied Sciences, 2022 This article presents an experimental study carried out on a rotor operating on two foil bearings. One of the bearings was built in a way to measure the temperature and deformation of the top foil of the foil bearing.
Paweł Bagiński +4 more
doaj +1 more source
Series-hybrid bearing - An approach to extending bearing fatigue life at high speeds [PDF]
, 1971 Fluid film bearing of hybrid device consists of orifice compensated annular thrust bearing and self-acting journal bearing. In series hybrid bearing, both ball bearing and annular thrust bearing carry full system thrust load, but two bearings share speed.
Anderson, W. J. +3 more
core +1 more source
Diffusion Tractography Biomarker for Epilepsy Severity in Children With Drug‐Resistant Epilepsy
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To develop a novel deep‐learning model of clinical DWI tractography that can accurately predict the general assessment of epilepsy severity (GASE) in pediatric drug‐resistant epilepsy (DRE) and test if it can screen diverse neurocognitive impairments identified through neuropsychological assessments.
Jeong‐Won Jeong +7 more
wiley +1 more source
Study the Dynamic Behavior of Rotor Supported on a Worn Journal Bearings
Journal of Engineering, 2015 In this paper, the effect of wear in the fluid film journal bearings on the dynamic behavior of rotor bearing system has been studied depending on the analytical driven of dynamic stiffness and damping coefficients of worn journal bearing.
Adnan Naji Jamil +2 more
doaj +2 more sources
Lessons Learned: Quality Analysis of Optical Coherence Tomography in Neuromyelitis Optica
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Introduction Optical coherence tomography (OCT)‐derived retina measurements are markers for neuroaxonal visual pathway status. High‐quality OCT scans are essential for reliable measurements, but their acquisition is particularly challenging in eyes with severe visual impairment, as often observed in neuromyelitis optica spectrum disorders ...
Hadi Salih +40 more
wiley +1 more source