... coefficients and within 30% for the direct damping coefficients. 09 05 2010 31 07 2010 19 04 2011 19 04 2011 lubrication machine bearings machine testing rotors turbomachinery Tilting pad journal bearings (TPJBs) are widely used in the turbomachinery industry to help...

... 2011 24 03 2011 compressors machine testing production equipment transient analysis The possible operating points of a centrifugal gas compressor are limited by maximum and minimum operating speeds, maximum available power, choke flow, and stability (surge) limit (Fig. 1...

... 18 06 2008 laboratory techniques machine bearings machine testing test equipment gas bearings asynchronous response dynamic coefficients The study of rotordynamic performance of rotor systems supported on gas bearings has gained noteworthy attention. Gas bearings have...

... data. 15 06 2006 14 09 2006 rotors machine testing magnetic bearings machine bearings cryogenics permanent magnet generators gas turbines magnetic bearing backup bearing auxiliary bearing A direct drive expander/generator on active magnetic bearings (AMBs) has...

... mechanical stability machine testing 01 Oct 2002 01 Mar 2003 13 06 2006 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER . Paper presented...

.... Manuscript received by IGTI, Oct. 2002, final revision, Mar. 2003. Associated Editor: H. R. Simmons. 16 June 2003 01 Oct 2002 01 Mar 2003 13 06 2006 machine bearings foils damping friction wear rotors mechanical stability elasticity gas turbines machine testing...

... bearings frequency response machine testing reliability Modeling methods for rotating machinery are steadily improving with the result that most elements in such machines can be modeled quite accurately. However, some components, such as shrink fits, foundations, seals, and some types...

... petroleum internal combustion engines compressors turbines turbogenerators machine testing cooling thermodynamics Whether they operate on the two-stroke or four-stroke thermodynamic cycle, whether they are naturally aspirated or turbocharged and intercooled, whether they are fueled...

.... Simmons. 16 June 2003 01 October 2002 01 March 2003 15 04 2005 air pollution control gas turbines combustion nitrogen compounds carbon compounds heat engines flames machine testing prototypes ALZETA Corporation is developing a surface-stabilized combustion...

... measurement force measurement rotors magnetic circuits magnetic cores machine testing air gaps The gas turbine industry has a continued vested interest in improving engine performance and reducing net operating and maintenance costs. These goals are being realized because of advancements...

.... 17 06 2004 01 10 2003 01 03 2004 gas turbines turbogenerators machine testing propulsion electric machine analysis computing Podded propulsion is believed by many experts to be the propulsion technology of the twenty-first century. Proposed applications for podded...

.... Kielb. 02 June 1998 01 Mar 1998 01 Nov 2000 gas turbines compressors machine testing performance index measurement errors error analysis gases equations of state Gas turbine compressors are frequently tested after their installation in the field to verify...

... of operational and design factors that typically cannot be controlled entirely. gas turbines compressors pumps wear machine testing performance index systems analysis combustion flow modelling In order to judge the degradation of aerodynamic components, we will first evaluate the effect...