... 13 04 2011 07 12 2011 07 12 2011 bars bending blades cantilevers eigenvalues and eigenfunctions finite element analysis rotors shafts turbines turbogenerators variable structure systems vibrations Due to the increasing sizes of low-pressure-stage long blades...

... Jovanovic , S. , 2008 , “ Design of a 50 Watt Air Supplied Turbogenerator ,” MS thesis, Department of Aeronautics and Astronautics, MIT, Cambridge, MA. Drela , M. , and Youngren , H. A. , 2006 , MISES 2.59 User’s Guide. Krähenbühl , D. , Zwyssig , C. , Bitterli , K...

... loop. active magnetic bearings waste heat recovery waste heat generator heat recovery magnetic bearings permanent magnet generators power electronics rotors turbogenerators waste heat 09 05 2010 12 05 2010 16 03 2011 16 03 2011 2011 American Society...

... of the development program. 13 04 2010 01 06 2010 22 11 2010 22 11 2010 air pollution control carbon compounds cogeneration distributed power generation turbogenerators During the last few decades, several attempts have been made to develop microturbines with efficiency levels...

...Francesco Trasino; Michele Bozzolo; Loredana Magistri; Aristide F. Massardo This paper is focused on the performance of the 1 MW plant designed and developed by Rolls-Royce Fuel Cell Systems Limited. The system consists of a two stage turbogenerator coupled with pressure vessels containing the fuel...

...Marino Sanchez-Parra; Cristina Verde; Dionisio A. Suarez This paper presents a fault tolerant control switching scheme with embedded fault detection and isolation system for the gas turbine of a combined cycle power plant. Mechanical faults of the turbogenerator are considered as case study...

... of accuracy, the model has to be updated to fit experimental results, and standard modeling methods have to be improved. In this paper, the updating of the torsional model of a steam turbogenerator is presented. In order to fit the eigenfrequencies calculated using the standard model and the natural...

...John Harinck; Teemu Turunen-Saaresti; Piero Colonna; Stefano Rebay; Jos van Buijtenen There is a growing interest in organic Rankine cycle (ORC) turbogenerators because they are suitable as sustainable energy converters. ORC turbogenerators can efficiently utilize external heat sources at low...

...) failure (mechanical) failure analysis fatigue cracks finite element analysis gas turbine power stations mechanical testing nozzles stress analysis surface cracks turbogenerators vibrations lock pin FEM vibration analysis gas turbine component failure Gas turbine blade and disk...

...Da-Ren Yu; Wei Wang; Zhi-Qiang Zhang; Qing-Hua Hu; Xiao-Min Zhao This paper presents a novel method of multiscale association for analyzing a turbogenerator accident having strange behaviors and serious consequence. Wave index (WI) and credibility of sensor fault are proposed based on multiscale...

...Lothar Eckert; Joachim Schmied A hydrogen-cooled turbogenerator operating at 3600 rpm showed the phenomenon of spiral vibration with a forward rotating unbalance vector. The relative shaft vibration measured at the non-driven end-bearing was close to the trip level. Spiral vibration is observed...

... turbogenerators ignition starting torque clutches testing installation Installation onboard USS Ramage 14 06 2006 26 07 2006 Since the mid-1970s, the U.S. Navy has used five versions of Ship Service Gas Turbine Generators (SSGTG) onboard each of its destroyers and cruisers...

... 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...

...Peter Y. P. Chen, Visiting Research Fellow; Ningsheng Feng, Lecturer; Eric J. Hahn, Visiting Professor; Wenlong Hu, Research Student Present day turbogenerator installations are statically indeterminate rotor-bearing-foundation systems utilizing nonlinear hydrodynamic bearings. For optimal...

... and six thermal cycles. magnetic bearings turbogenerators power 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...

... labyrinth cavity should not coincide with the rotating frequency of the cavity, the excitation frequency. acoustic resonance turbogenerators eigenvalues and eigenfunctions rotors 09 October 2002 20 November 2003 09 02 2005 Contributed by the Stuctures and Dynamics...

... engineers would challenge the principle that the surest way to raise the efficiency of the next generation of machines is to increase the top temperature. gas turbine power stations turbogenerators irreversible thermodynamics power system analysis computing prediction theory cooling...

... combustion air pollution control turbogenerators large-scale systems power generation reliability power generation planning 16 June 2003 01 October 2002 01 March 2003 24 11 2004 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY...

... points, pipeline solids control, and optimizing fuel conditioning equipment are considered. 06 06 2004 27 09 2004 fuel systems gas turbines turbogenerators optimisation pipelines filtration gas industry combustion Saudi Arabia’s main source of electrical power is provided...

... is promising as an engineering design tool. Pareto optimisation genetic algorithms turbogenerators rotors machine bearings The high and low levels of the bearing factors are set to the vertical and horizontal properties of two existing cylindrical journal bearings. The low level...