... Lyapunov methods machine bearings magnetic bearings nonlinear acoustics rotors stators structural acoustics vibrations Literature on analysis and prediction of vibration behavior in nonlinear rotor-bearing systems is now extensive. Some research studies have considered systems where normal...

... in the rotor dynamic modeling. combi-bearing vertical rotor natural frequency natural mode coupled motions angular velocity elastic constants hydrodynamics machine bearings rotors shafts structural acoustics turbogenerators vibrations 2011 American Society of Mechanical...

... equilibriums. 28 01 2010 11 03 2011 12 10 2011 machine bearings rotors structural acoustics temperature distribution vibrations rotor bearing Morton Effect instability mid-span Using an assumption of isotropic linear bearings, the mechanism of the Morton Effect...

... 11 03 2011 04 10 2011 04 10 2011 damping machine bearings rotors structural acoustics thermal stability vibrations In the above mechanism study, the linear isotropic bearing models have been employed. The more general and practical considerations of the fluid film journal...

... are considered as the small values of O ( ε ) . 21 08 2009 16 04 2010 01 03 2011 01 03 2011 abrasion elastic constants impact (mechanical) lubrication machine bearings mechanical contact mechanical guides nonlinear estimation rotors stators vibration control...

... 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...

... – 1.08 X , where X is the rotor running speed for bearing designs 1 and 2. 27 06 2009 28 01 2010 26 08 2010 26 08 2010 damping eigenvalues and eigenfunctions elastic constants frequency response machine bearings modal analysis reduced order systems shafts...

... 2010 machine bearings rotors shafts structural acoustics vibrations It has been known for many years that thermal temperature gradients across a rotor can alter the amplitude and phase of synchronous vibration. This is due to bowing of the shaft caused by a temperature difference...

... address the sophisticated vibration isolation requirements particular to the VDE systems. 11 04 2009 23 03 2010 15 07 2010 15 07 2010 automotive components bushings electromagnetic actuators engines hydraulic control equipment machine bearings solenoids vibration...

... emission testing active noise control machine bearings statistics acoustic emission condition monitoring denoising DWT SANC spectral subtraction rolling bearing Acoustic emission (AE) results from the release of energy in the form of transient elastic waves in the material ( 1...

... distributions and thus identify the type of looseness fault at machinery. electric machines fault diagnosis Hilbert transforms machine bearings rotors vibrations HHT EEMD looseness fault diagnosis vibration analysis marginal Hilbert spectrum Because of long-term running or improper...

..., compressor blades, and propellers. machine bearings rotors vibrations 20 01 2009 27 03 2009 11 09 2009 2009 American Society of Mechanical Engineers ...

..., and the appropriate film gap can be used to cut the energy loss. 14 08 2008 27 02 2009 10 09 2009 flywheels machine bearings magnetic bearings vibration control But it is well known that the active magnetic bearing needs an elaborate complex active control system...

... employed alone. Also, the unified technique has shown to be computationally more efficient than the enveloping technique based on continuous wavelet transform, thus providing a good signal processing tool for bearing defect diagnosis. deconvolution feature extraction Fourier transforms machine...

... primary and secondary frequency branches from the waterfall plots agree well with those predicted analytically. 22 10 2007 29 06 2008 18 02 2009 discs (structures) Doppler measurement Fourier analysis gyroscopes machine bearings measurement by laser beam rotors softening...

.... 653 – 663 . 12 11 2007 01 07 2008 18 02 2009 bending fasteners machine bearings shear strength torque vibrations vibration loosening self-loosening threaded fasteners Threaded fasteners have been widely used in many engineering components and structures...

... in ensuring a stable operating range to the rotor is studied by means of root loci. Comparison with literature results is finally used to validate the model. 07 02 2008 12 07 2008 15 10 2008 damping electromagnetic induction machine bearings magnetic bearings rotors stability...

... machine bearings nonlinear systems rotors rotor system sliding bearing rotating elastic medium finite element simulation lubrication layer self-sustained modes turbocharger The three-dimensional simulation of the dynamics of the rotor system (RS) combined with sliding bearings has...

... acoustic emission testing condition monitoring electrohydrodynamics fault diagnosis lubrication machine bearings machine testing acoustic emission bearing monitoring elastohydrodynamic lubrication The application of acoustic emission (AE) for bearing diagnosis is gaining ground...

... friction machine bearings fasteners vibrations clamps lubricating oils coatings self-loosening vibration loosening thread friction bearing friction fastener coating and lubrication Effect of thread friction for various bearing friction coefficients on the loosening rate...