...Jongin Yang; Joseph Oh; Baik Jin Kim; Alan Palazzolo The rotating assemblies of critical machinery are complex dynamical systems and rotordynamic model response prediction inaccuracy risks machinery failure leading to high production losses. Jeffcott, Euler beam, and high-fidelity 3D solid finite...

... . Manuscript received February 6, 2018; final manuscript received September 5, 2018; published online October 16, 2018. Assoc. Editor: Costin Untaroiu. 06 02 2018 05 09 2018 cracked rotor system rotordynamics forward whirl damage detection Numerous failures in rotating shaft...

... fuzzy controller polar presentation rotordynamics Due to the progress made in electronics, AMBs are now widely used in different industrial applications and have been successfully implemented in the field of turbomachinery [ 1–3 ]. Their main advantages are that they provide a contactless...

...) is proposed in order to monitor the eigenvectors dispersion. stochastic eigenvalue problem polynomial chaos rotordynamics free vibration Globally, Monte Carlo simulations and Polynomial Chaos based results are in very good agreement for the three processed cases which lets us conclude...

... currents electrodynamics machine bearings structural acoustics eddy current induction bearing rotordynamics stability electromechanical interaction The principle of electrodynamic bearings (EDBs) relies on the motion of a conductor in a magnetic field. The resulting variation...

... the stability of the system. Furthermore, Hwang and Chung ( 9 ) explored the damping requirements necessary for stability of a double race AB/Jeffcott rotor system. Imbalance vibration is a significant concern for virtually all rotordynamic systems and is an important problem in engineering. Since wear...

... eddy current induction bearing rotordynamics stability electromechanical interaction The results of the comparison are presented in Fig. 12 . Despite some dispersion, the general behavior is comparable. We believe that these differences are a consequence of the results obtained at low...

... model) continue to correctly explain Crandall and Lingener’s ( 4 ) experimental results. 11 09 2006 30 01 2007 rotors stators sliding friction rotordynamics whirl whip rub Coulomb friction Black ( 1 2 ) analyzed a possible range of motion arising from the rubbing...