... condition of the rotating equipment demonstrate the opportunity for system monitoring. 16 02 2011 19 08 2011 15 02 2012 15 02 2012 condition monitoring gas turbines maintenance engineering performance evaluation power generation reliability fault detection phase space...

... (if the material build up forms thicker layers of deposits). aerodynamics blades compressors gas turbines maintenance engineering surface roughness 01 05 2011 01 05 2011 03 01 2012 03 01 2012 2012 American Society of Mechanical Engineers ...

... gas turbines Kalman filters maintenance engineering occupational safety regression analysis The growing need to increase the competitiveness of industrial systems continuously requires a reduction of maintenance costs, without compromising safe plant operation. Therefore, forecasting...

... boron alloys creep testing fatigue testing gas turbines life testing maintenance engineering nickel alloys scanning electron microscopes Cobalt-based superalloys are used in gas turbine hot section components such as combustor casings, transition ducts, and turbine vanes for both...

... 2010 11 11 2010 11 11 2010 compressors engines fault location gas turbines maintenance engineering The use of performance engine models in diagnostics has been initiated since the early 1970s. The first approaches were based on linearized models ( 1 ), while Stamatis et al...

... to predicting critical speeds. A sample deflection versus static load test result for the right bearing 12 04 2010 21 04 2010 29 10 2010 29 10 2010 machine bearings maintenance engineering rotors turbomachinery Small, high-speed, lightly loaded turbomachinery...

... a minimum of 80% and sometimes equivalent to that of the base metal properties. 10 04 2008 04 05 2008 11 05 2010 11 05 2010 aerospace components aerospace engines brazing cracks ductility filler metals fracture gas turbines hardness hardness testing maintenance...

... of a program for the calculation of the gas turbine thermodynamic cycle, in order to reproduce the measurements taken on the gas turbine. compressors computational fluid dynamics gas turbines maintenance engineering numerical analysis surface roughness 09 04 2009 10 04 2009 08 04...

... ductility gas turbines maintenance engineering mechanical alloying superalloys thermal stress cracking tungsten Braze repair is a proven approach for reliable, cost effective life extension of gas turbine components. Conventional brazing, or narrow gap brazing, relies on capillary attraction...

... maintenance cost but also diagnosis results are used in prognosis and other tasks downstream. compressors cost reduction data analysis fault diagnosis flow sensors gas turbines maintenance engineering 04 03 2009 02 06 2009 15 01 2010 15 01 2010 2010 American...

... are presented and widely discussed. 02 01 2009 06 01 2009 20 07 2009 gas turbines genetic algorithms maintenance engineering neural nets power engineering computing power generation economics power generation planning power markets power system management...

... 02 04 2008 13 10 2008 braze welding brazing engines failure analysis gas turbines laminates maintenance engineering reliability superalloys During gas turbine operations, hot section gas turbine components such as turbine blades and vanes are subjected to potential...

... maintenance engineering Monte Carlo methods probability turbomachinery performance deterioration production scatter probabilistic modeling Monte Carlo Simulation The change of performance parameters over time due to engine deterioration and production scatter plays an important role...

... into the substrate, it is possible to achieve a joint that is nearly indistinguishable from the base material. braze repair wide gap brazing Co-base superalloy X40 microstructure aerodynamics brazing copper alloys corrosion resistance creep engines gas turbines maintenance engineering nickel...

.... 26 04 2007 01 05 2007 aerospace engines fault diagnosis maintenance engineering gas turbines remaining life assessment in-flight fault detection trend monitoring on-board engine model Kalman filter Early detection of faults is an important aspect in the health...

... generation faults power generation economics life cycle costing project engineering product development maintenance engineering The potential impact on project profitability of risks associated with the electricity market, fuel prices, regulatory activities, and various mitigation alternatives...

... by IGTI November 1999; final revision received by ASME Headquarters February 2000. Associate Editor: D. Wisler. 08 May 2000 01 November 1999 01 February 2000 24 09 2002 gas turbine power stations combined cycle power stations maintenance engineering costing Over...