Active magnetic bearing-supported rotor with misaligned cageless backup bearings: A dropdown event simulation model

O Halminen, A Kärkkäinen, J Sopanen… - Mechanical Systems and …, 2015 - Elsevier
Active magnetic bearings (AMB) offer considerable benefits compared to regular mechanical
bearings. On the other hand, they require backup bearings to avoid damage resulting from a …

Stochastic analysis of lubrication in misaligned journal bearings

J Ma, C Fu, W Zhu, K Lu… - Journal of …, 2022 - asmedigitalcollection.asme.org
Misalignment is common in hydrodynamic journal bearings and the causes of it can be
diversified, making the lubrication performance exhibits stochasticity. Lubricant viscosity …

Model based analysis and identification of multiple fault parameters in coupled rotor systems with offset discs in the presence of angular misalignment and integrated …

RS Srinivas, R Tiwari, C Kannababu - Journal of Sound and Vibration, 2019 - Elsevier
In the present paper, the modelling, analysis and identification of various system faults in the
presence of angular misalignment in coupled rotor-train systems integrated with an auxiliary …

Stability analysis of rotor-bearing systems under the influence of misalignment and parameter uncertainty

X Sun, KK Sepahvand, S Marburg - Applied Sciences, 2021 - mdpi.com
Stability is a well-known challenge for rotating systems supported by hydrodynamic bearings
(HDBs), particularly for the condition where the misalignment effect and the parametric …

[图书][B] Vibration-based fault identification for rotor and ball bearing in rotating machines

KC Luwei - 2022 - search.proquest.com
The study uses an experimental approach in contributing to advance vibration-based fault
identification (VFI) techniques for rotor and ball bearing in rotating machines using data …

Static performance of the aerostatic journal bearing with grooves

X Chen, JK Mills, G Bao - Proceedings of the Institution of …, 2020 - journals.sagepub.com
Aerostatic bearings are widely employed in precision machines due to their properties of low
friction, low heat conduction, and long-life operation. In this work, static performance of the …

Tilting pad journal bearing misalignment effect on thermally induced synchronous instability (morton effect)

D Shin, AB Palazzolo - Journal of Tribology, 2021 - asmedigitalcollection.asme.org
This paper investigates the influence of misaligned journal bearing effects on the thermally
induced rotor instability (Morton effect “ME”) problem. The Morton effect is caused by uneven …

Nonlinear dynamic mechanical response analysis of dual-segment single-span rotor-bearing system under normal condition and misalignment fault

C Ma, D Zhao, W Sun, W Liao, Y Xiao, X He - Archive of Applied …, 2023 - Springer
As a highly widespread and practical construction, it is vital to investigate rotor bearing
system's structure, components, and faults in order to enhance functioning performance. The …

Investigation on backflow phenomenon in the aerostatic journal bearing

X Chen, G Bao, JK Mills - Proceedings of the Institution of …, 2020 - journals.sagepub.com
In this work, the backflow phenomenon exhibited in the gas journal bearings is investigated.
The effect of operational parameters such as eccentricity ratio ɛ, axial velocity of the bearing …

Test rig characterization and dynamic testing of a smart electro-magnetic actuator journal integrated bearing

A El-Shafei, AS Dimitri, T Saqr, M El-Hakim - Proceedings of the 9th …, 2015 - Springer
This paper discusses the development of a novel bearing the Smart Electro-Magnetic
Actuator Journal Integrated Bearing (SEMAJIB). The SEMAJIB is essentially a journal …