...-Timing Measurements ,” ASME Paper No. 97-GT-213. 10.1115/97-GT-213 [4] Zielinski , M. , and Ziller , G. , 2000 , “ Noncontact Vibration Measurements on Compressor Rotor Blades ,” Meas. Sci. Technol. , 11 ( 7 ), pp. 847 – 856 . 10.1088/0957-0233/11/7/301 [5] Watkins , W. B...

... in LOP Configuration ,” Proceedings of the ASME Turbo Expo 2011 , Vol. 1 , ASME, New York. 12 09 2010 22 09 2011 23 02 2012 23 02 2012 compressors gas turbines machine bearings rotors vibration measurement Rotordynamic instability is a self-excited vibration...

... turbines Monte Carlo methods vibration measurement Gas turbine designers are well aware that blade mistuning intensifies the risks of high cycle fatigue in aircraft engines—a problem which is reported to incur costs of around $400 million each year ( 1 ), or around 30% of all jet engine...

... combustion combustion equipment flames flow visualisation gas turbines jets measurement by laser beam pulsatile flow thermoacoustics turbulence vibration measurement The well-known industrial problem that motivates this work is the limitation on performance of power and propulsion gas...

... measurement vibration measurement 16 09 2007 08 04 2008 21 08 2008 2008 American Society of Mechanical Engineers ...

... nitrogen compounds pressure sensors structural acoustics temperature distribution vibration measurement vibrations combustion acoustics vibrations acoustoelastic interaction vibroacoustics Air pollution has become an important issue in the past few decades. An important component...

... transforms vibration measurement rotors Blade faults represent a major and common source of problem in power generation gas turbines. Over the years, extensive research had been undertaken on this subject. Previous work reported in the literature included studies on the characteristics of various...

..., 2003, Paper No. 2003-GT-38659. 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 rotors condition monitoring fatigue cracks vibration measurement crack...

... to be exhibited by casing vibration measurement signals, with the difference that this measurement was not found to be that sensitive to changes of small magnitude disturbances, caused by rotating stall. Changes due to surge are noticeable, as will also become apparent from overall levels presented later...

... the use of trial weights, if a rotor model is available. A procedure is developed in this paper to balance flexible rotors using complex modes and complex vibration measurements. It is shown that a complex rotor model is essential for the success of the technique. Moreover, careful calibration...

... been reviewed by Edwards et al. 10 . turbogenerators vibration measurement parameter estimation state estimation machine bearings 03 June 2002 01 Dec 2001 01 Mar 2002 07 06 2004 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN...

... actuation, the controller works well. 01 10 2003 01 03 2004 electromagnetic actuators shafts rotors blades vibration control vibration measurement observability controllability transducers eddy currents centralised control machine control turbines Blade faults...

... combustion fuel natural gas technology modelling vibration measurement acoustic resonance Many large industrial gas turbines operating on pre-mixed natural gas suffer from high levels of dynamic pressure or “humming” in the combustion chambers that can sometimes prevent them from reaching full...

... identifying frequency or engine order using a small number of probes. This paper presents a new analysis method for identifying synchronous resonance engine order using two tip-timing vibration measurements. The measurements are made at different locations on the turbomachinery casing using a minimum of two...