Results 21 to 30 of about 773,629 (265)
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
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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
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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
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Surface Inspection of a Journal Bearing Using Machine Vision [PDF]
한국정밀공학회지, 2017 This paper presents a machine vision-based surface inspection system for journal bearings. Traditionally, human operator inspection classifies the defective and defect-free bearings.
Jin Seok Ko, Jae Yeol Rheem
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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
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Utility of the APE2 Score as a Diagnostic Tool for Autoimmune Encephalitis
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To retrospectively evaluate the diagnostic performance of the Antibody Prevalence in Epilepsy and Encephalopathy (APE2) score relative to clinician‐adjudicated autoimmune encephalitis (AE) and the Graus criteria in a tertiary neuroimmunology referral cohort, including antibody‐negative AE.
Bijoya Basu +3 more
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Arthritis Care &Research, EarlyView.Objective Cam morphology, which is a significant risk factor for hip osteoarthritis, is commonly quantified by the alpha angle (AA). This study aims to explore the potential of the triangular index ratio (TIR) to quantify cam morphology on anteroposterior radiographs by assessing the association between TIR‐defined cam morphology and the development of
Jinchi Tang +7 more
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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
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Arthritis Care &Research, EarlyView.Objective This study aimed to investigate hand function trajectories over five years in primary hand osteoarthritis (OA). Additionally, determinants of baseline and longitudinal hand function were assessed. Methods A total of 538 patients with both baseline and five‐year study visits were analyzed.
Annemiek V. E. M. Olde Meule +4 more
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Effect of Main Bearing Surface Profile on Crankshaft Lubrication and Vibration Characteristic
Jixie chuandong, 2022 Taking the main bearing-main journal of a six-cylinder diesel engine as the research object，based on the elastic- -fluid lubrication theory and the micro-bump contact theory and considering factors such as journal misalignment and main bearing surface ...
Guixiang Zhu +5 more
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