... maintenance engineering performance evaluation power generation reliability 16 02 2011 19 08 2011 15 02 2012 15 02 2012 2012 American Society of Mechanical Engineers ...

... 01 05 2011 03 01 2012 03 01 2012 aerodynamics blades compressors gas turbines maintenance engineering surface roughness Fouling of compressor blades is an important mechanism leading to performance deterioration in gas turbines over time. Fouling is caused...

... 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...

... the γ -Ni phase, as shown in Fig. 4 . Narrow gap braze joint microstructure 15 07 2010 15 07 2010 15 04 2011 15 04 2011 boron alloys creep testing fatigue testing gas turbines life testing maintenance engineering nickel alloys scanning electron microscopes...

... 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. ( 2 ) introduced the concept of using directly nonlinear models...

... maintenance engineering rotors turbomachinery Small, high-speed, lightly loaded turbomachinery offers a class of applications with demands well-matched to the performance capabilities of gas foil bearings. Examples of applications of commercial and industrial interest include: engines for turboshaft...

... 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...

... 2009 08 04 2010 08 04 2010 compressors computational fluid dynamics gas turbines maintenance engineering numerical analysis surface roughness The determination of gas turbine operating state consists of the assessment of the modification, due to deterioration and fault...

... samples. The W powder was provided by Dr. Matthew Yao of Deloro Stellite Inc. 16 04 2009 17 04 2009 24 03 2010 24 03 2010 brazing ductility gas turbines maintenance engineering mechanical alloying superalloys thermal stress cracking tungsten Braze repair...

... to be accurate because not only a wrong diagnosis results in unnecessary maintenance and consequently high 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...

... 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 Since CPU...

... 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 damages, including thermal fatigue cracks (vanes), creep (blades...

..., a regression analysis (here, power regression) was conducted with a best fitting curve in the form of Eq. 12 . 12 y = a + b t C 24 05 2007 29 05 2007 29 04 2008 aerospace engines maintenance engineering Monte Carlo methods probability turbomachinery...

... in preventing the formation of TCP phases during brazing and subsequent thermal exposure. 20 06 2007 22 06 2007 02 04 2008 aerodynamics brazing copper alloys corrosion resistance creep engines gas turbines maintenance engineering nickel alloys superalloys thermal stress cracking...

... Diagnostics ,” J. Propul. Power 0748-4658 , 21 , pp. 751 – 758 . 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...

... risk management power 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...

... 01 February 2000 24 09 2002 gas turbine power stations combined cycle power stations maintenance engineering costing Over the last few years, the gas turbine combined cycle power generation system has rapidly been accepted as the main type of thermal power generation system...