Modal analysis of rotor-shaft system under the influence of rotor-shaft material dam** and fluid film forces
The present work attempts to study the influences of internal rotor material dam** and the
fluid film forces (generated as a result of hydrodynamic action in journal bearings) on the …
fluid film forces (generated as a result of hydrodynamic action in journal bearings) on the …
Finite element analyses of rotor/bearing system using second-order journal bearings stiffness and dam** coefficients
The rotor-bearing system is a crucial component of rotating machinery, such as turbines,
pumps, compressors, and turbogenerators, which are widely used in various advanced …
pumps, compressors, and turbogenerators, which are widely used in various advanced …
Effects of eccentric phase difference between two discs on oil-film instability in a rotor–bearing system
The operating speed of the rotating machinery often exceeds the second order or even
higher order critical speeds to pursue higher efficiency. Thus, the second mode whirl/whip …
higher order critical speeds to pursue higher efficiency. Thus, the second mode whirl/whip …
Controlling journal bearing instability using active magnetic bearings
A El-Shafei, AS Dimitri - 2010 - asmedigitalcollection.asme.org
Journal bearings (JBs) are excellent bearings due to their large load carrying capacity and
favorable dam** characteristics. However, journal bearings are known to be prone to …
favorable dam** characteristics. However, journal bearings are known to be prone to …
Dynamic simulation and experimental study of an asymmetric double-disk rotor-bearing system with rub-impact and oil-film instability
A Hu, L Hou, L **ang - Nonlinear Dynamics, 2016 - Springer
This study deals with numerical analysis and experimental investigations where the
nonlinear dynamic behaviors of an asymmetric double-disk rotor-bearing system are …
nonlinear dynamic behaviors of an asymmetric double-disk rotor-bearing system are …
Active magnetic bearing-supported rotor with misaligned cageless backup bearings: A dropdown event simulation model
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 …
bearings. On the other hand, they require backup bearings to avoid damage resulting from a …
A new deep stacked architecture for multi-fault machinery identification with imbalanced samples
Effective intelligent fault diagnosis of rotating machinery using its vibrational signals has a
considerable influence on certain analysis factors such as the reliability, performance, and …
considerable influence on certain analysis factors such as the reliability, performance, and …
Damage detection and isolation from limited experimental data using simple simulations and knowledge transfer
A simulation model can provide insight into the characteristic behaviors of different health
states of an actual system; however, such a simulation cannot account for all complexities in …
states of an actual system; however, such a simulation cannot account for all complexities in …
Oil-film instability simulation in an overhung rotor system with flexible coupling misalignment
H Ma, X Wang, H Niu, B Wen - Archive of Applied Mechanics, 2015 - Springer
Aiming at the oil-film instability of the sliding bearings at high speeds, this paper
systematically investigates oil-film instability laws of an overhung rotor system with parallel …
systematically investigates oil-film instability laws of an overhung rotor system with parallel …
Nonlinear dynamics analysis of hydraulic turbochargers in reverse osmosis desalination plants
The hydraulic turbocharger plays a vital role in harnessing the energy stored in brine within
reverse osmosis desalination plants. To optimize the efficiency and durability of this …
reverse osmosis desalination plants. To optimize the efficiency and durability of this …