..., is also presented, along with design steps for adjusting the dynamic response of the Kalman filter state estimates. Results from the application of the technique to linear and nonlinear aircraft engine simulations are presented and compared to the conventional approach of tuner selection. The new...

.... In this study, specific attention has been paid to the evaluation of nonlinear modes and to the influence of excitation on dynamic responses. Indeed, several cases of excitation have been analyzed: punctual one and tuned or detuned low engine order. This paper shows that for a localized, or sufficiently detuned...

... at the bearing edges. The amount of misalignment that induces bearing failure is identified and compared with other conventional bearing types such as cylindrical roller bearings and angular contact ball bearings. Additionally, the dynamic response of the rotor indicates that the gas foil bearing force...

... model whose ultimate aim is to save TC design time and accelerate product development. compressors fuel systems dynamic response rotors machine bearings shafts mechanical engineering computing automotive components lubricants thermal expansion viscosity Fourier analysis computerised...

... 01 October 2003 01 March 2004 03 04 2006 hybrid power systems molten carbonate fuel cells gas turbines fuel cell power plants power system control power system simulation robust control dynamic response Fuel cell systems provide promise for more efficient...

...Rodrigo Nicoletti; Ilmar Ferreira Santos In the present paper, the dynamic response of a rotor supported by an active lubricated tilting-pad bearing is investigated in the frequency domain. The theoretical part of the investigation is based on a mathematical model obtained by means of rigid body...

..., Atlanta, GA, June 16–19, 2003, Paper No. 2003-GT-38596. Manuscript received by IGTI, October 2002, final revision, March 2003. Associate Editor: H. R. Simmons. 16 June 2003 01 October 2002 01 March 2003 15 04 2005 rolling bearings rotons dynamic response magnetic bearings...

.... 01 June 2002 01 December 2003 11 08 2004 elastodynamics discs (structures) dynamic response random functions vibrations probability nonparametric statistics Structural dynamics of mistuned bladed disks remain a difficult problem in turbomachinery. Usually, vibration...

...T. N. Shiau, Professor; W. C. Hsu, Graduate Student; J. R. Chang, Assistant Professor, For investigating the dynamic response of a hydrodynamic thrust bearing-mounted flexible rotor, the dynamic characteristic data of thrust bearings for high surface velocities are applied for constructing...

... of actual dampers with that often used in analytical models to compute the dynamic response of frictionally damped turbine blades. It is shown that for the case of a damper with a spherical head significant differences exist between the actual behavior of the damper and that often assumed in simple...

... bearings rotors machine control dynamic response feedback sensitivity magnetic hysteresis bushings electric sensing devices An initial unbalance condition of the rotor was established such that ∼ 24 Hz the largest orbit was at the nondriven end disk. Also the rotor could be run...

... torque and the crankshaft’s speed are, under steady-state operating conditions, periodic functions of the crank angle and may be expressed by Fourier series. For the lower harmonic orders, the dynamic response of the crankshaft approaches the response of a rigid body and that makes it is possible...

.... Assanis. 01 September 2001 01 July 2002 15 08 2003 internal combustion engines statistical analysis pressure torque Fourier series dynamic response correlation methods In the first part of the paper, 1 , it was shown that for the lower harmonic components...

... is essential in accurate modeling of catalyst operation during actual driving conditions. In this work, a numerical investigation is carried out to comprehend the dynamic response of three-way catalytic converters subjected to changes in air-fuel ratio. The mathematical model considers the coupling effect...

... emergency shutdown valve, located downstream of the compressor, was also investigated. internal combustion engines compressors valves dynamic response transient analysis o = total conditions 0 = zero flow 1 = compressor inlet 2 = compressor outlet 3 = turbine...

... 2002 01 03 2003 machine bearings rotors supports dynamic response hydrodynamics damping parameter estimation The identification of bearing parameters is traditionally confined to laboratory environments, which rarely present the same operating characteristics as in actual...

...J. Judge, Graduate Student; C. Pierre, Professor Fellow ASME; O. Mehmed, Senior Research Engineer The results of an experimental investigation on the effects of random blade mistuning on the forced dynamic response of bladed disks are reported. The primary aim of the experiment is to gain...

.... Associate Editor: H. D. Nelson. 07 June 1999 01 Mar 1999 01 Aug 2000 rotors design engineering compressors reliability dynamic response The reliability of centrifugal compressors is by far the most important aspect for many users, for example, for those in the offshore...