... . This scaling parameter explicitly includes the effect of fuel/air momentum ratio. 25 04 2011 10 05 2011 29 02 2012 29 02 2012 aerospace engines gas turbines natural gas technology The LM2500 and LM6000 dry-low-emissions aero-derivative engines were designed to operate...

... methodology is shown to yield a significant improvement in on-line Kalman filter estimation accuracy. 25 04 2011 28 04 2011 27 01 2012 27 01 2012 aerospace engines aircraft control closed loop systems dynamic response Kalman filters mean square error methods open loop systems...

... mixing uniformity aerospace engines combustion computational fluid dynamics confined flow flow simulation gas turbines jets mixing pipe flow sprays 04 05 2011 09 05 2011 09 01 2012 09 01 2012 2012 American Society of Mechanical Engineers ...

... rates. Computational tools are used to decrease the development time needed to satisfy all these demands and lower the costs of new combustion systems. Therefore efforts are undertaken to enhance the predictive quality of combustion CFD. aerospace engines combustion computational fluid...

... and temperature fields, emissions, and liner wall temperature as well as the pattern factor at the combustor outlet [( 2 3 4 )]. aerospace engines air pollution chemically reactive flow combustion equipment flames gas turbines nozzles temperature distribution turbulence 11 01 2011 01...

... successful at exposing both the AE majors and the SEM majors to the benefits of “systems thinking” by giving all the opportunity to employ SE tools in the context of a realistic aircraft engine design project. 10 04 2011 27 05 2011 07 12 2011 07 12 2011 aerospace engineering...

... the nonlinear control issues based on this model. Control validations are provided in Sec. 5 . Finally the paper is summarized in Sec. 6 . 01 07 2010 30 01 2011 17 05 2011 17 05 2011 aerospace engines aircraft control closed loop systems feedback jet engines...

... studies, failure modes, and trade study failure modes and associated design requirements and (2) a robust deterministic SAS model solver with post processing statistical analysis capability. 02 07 2010 16 07 2010 19 04 2011 19 04 2011 aerospace engines design engineering...

.... , and Yasar , M. , 2008 , “ Fault Detection and Isolation in Aircraft Gas Turbine Engines: Part I—Underlying Concept ,” Proc. Inst. Mech. Eng., Part G: Journal of Aerospace Engineering , 222 ( 3 ), pp. 307 – 318 . 10.1243/09544100JAERO311 Sarkar , S. , Yasar , M. , Gupta , S. , Ray...

... of applying the steady-state data filter to recorded helicopter engine flight data are shown, demonstrating its utility for engine condition monitoring applications. 25 05 2010 28 07 2010 24 03 2011 24 03 2011 aerospace engineering aerospace engines condition monitoring data...

... 2010 22 03 2011 22 03 2011 aerospace engines damping frequency-domain analysis harmonics springs (mechanical) time-domain analysis vibrations Of all rotating machines that use squeeze-film damper (SFD) bearings, three-spool aero-engines can be considered as the most...

... levels, that the engine experiences in normal usage, which includes afterburning operation for the case of military engines. aerospace engines air pollution control air pollution measurement losses 27 04 2010 13 05 2010 16 03 2011 16 03 2011 2011 American Society...

... and paper processing, etc. two-phase flow separation pumping experiments CFD simulations aerospace engines computational fluid dynamics gas turbines lubricating oils prototypes pumps two-phase flow 29 06 2010 02 07 2010 15 02 2011 15 02 2011 2011...

.... 26 05 2010 22 06 2010 18 11 2010 18 11 2010 aerospace engines aerospace propulsion compressors gas turbines lubricants Turbomachinery built upon unconventional, oil-free, rotor support technologies has been maturing since the middle of the past century. During...

... excitations. 04 11 2009 21 06 2010 18 11 2010 18 11 2010 aerospace components aerospace engines damping design engineering elasticity finite difference methods friction hydrostatics machine bearings orifices (mechanical) turbomachinery air foil thrust bearing...

... the oil flow to the air/oil separator, however, due to the oil flow distribution the thermal effects may lead to high material temperatures and to malfunctions in the engine’s lube system. 18 02 2010 22 06 2010 12 11 2010 12 11 2010 aerospace engines aircraft computational...

...% of the compressor flow rate may be required to enter the combustion zone through the injection system, compared with the 30% of conventional old designs ( 2 ). aerodynamics aerospace engines computational fluid dynamics coolants cooling jets Navier-Stokes equations 04 05 2010 28 05 2010...

... explanation, in addition to the application of dry diluent, that they are generally not observed in the PM emissions measurements. 12 03 2010 02 06 2010 26 10 2010 26 10 2010 aerospace engines air pollution measurement design engineering gas turbines Concerns...

... 03 2009 23 11 2009 05 08 2010 05 08 2010 aerospace engines gas turbines magnetic bearings rolling bearings rotors steam turbines vibration control magnetic dampers electromechanical interaction vibration control rotordynamics aero-engines The control...

... aerospace engines cooling fuel pumps gears Heat management of fuel and oil systems for turbofans has become a serious problem in current high bypass turbofans with higher fuel efficiency. This is because there is less fuel flow available for oil cooling. The oil that absorbs heat generated...