... more influence on effective damping levels and crossover frequencies when compared to rotor speed. 12 04 2011 30 06 2011 27 01 2012 27 01 2012 compressors mechanical testing rotors seals (stoppers) shock absorbers The balance piston seal or center seal...

... their influence on the dynamic response and to define the required accuracy of the input parameters. 03 05 2011 07 05 2011 09 01 2012 09 01 2012 blades damping discs (structures) fatigue friction mechanical contact shock absorbers torsion turbines vibrations...

... the stability measurements carried out on two compressors (390 bars and 655 bars discharge pressure) and compares the results. 09 04 2010 13 04 2010 10 03 2011 10 03 2011 compressors finite element analysis mechanical stability pistons rotors seals (stoppers) shock absorbers...

... blades damping discs (structures) reduced order systems shock absorbers turbomachinery vibration control 11 09 2008 18 09 2008 07 06 2010 07 06 2010 2010 American Society of Mechanical Engineers ...

... 05 03 2010 aerodynamics blades computational fluid dynamics damping discs (structures) gas turbines shock absorbers The key components necessary for a predictive forced response analysis of mistuned bladed disks can be identified as (i) determination of the aerodynamic...

... friction dampers where the vibration energy in the blades is dissipated by rubbing of the mating damper and bladed disk surfaces. discs (structures) friction shock absorbers test equipment vibrations 30 07 2007 30 07 2007 29 04 2008 2008 American Society of Mechanical...

... elastic constants Hilbert transforms parameter estimation shock absorbers vibrations Traditional rotor-bearing systems use oil based bearing support dampers to mitigate imbalance response and rotordynamic stability ( 1 2 ). With a careful design, squeeze film dampers (SFDs) can provide large...

... is an optimization problem and its solution can be efficiently made using approximations given by Eqs. 3 , 4 . 27 04 2007 24 05 2007 29 02 2008 blades discs (structures) finite element analysis friction mechanical contact sensitivity analysis shock absorbers stochastic processes...

...) elasticity finite element analysis friction mechanical contact shock absorbers Due to the high modal density of natural frequencies of realistic bladed disks and of a broad spectrum of aerodynamic excitation forces, complete prevention of the occurrence of resonance regimes is not feasible. Hence...

... element analysis friction shock absorbers turbines vibration control Friction dampers are in widespread use in the turbomachinery industry to control vibration amplitudes of rotating blades. Several designs, such as dog bone, pin type, or wedge elements...

... automotive components springs (mechanical) shock absorbers valves deformation partial differential equations finite difference methods meters nozzles 03 01 2006 22 09 2006 Model error—injected fuel volume per stroke A detailed validation of an injector model cannot...

...) of a SFD depends on its geometrical configuration and lubricant viscosity, as well as on its operational parameters such as the flow regime, kinematics of journal motion, lubricant cavitation type, and air ingestion and entrapment among others ( 1 ). shock absorbers damping seals (stoppers...

... for the four normal loads. The results of the measurements will be shown in Sec. 4 where they will be compared with the predictions. 14 06 2006 06 07 2006 friction shock absorbers mechanical contact elastic constants vibrations blades Friction dampers are used in gas...