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Keywords: aerospace engines
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 051503.
Published Online: February 29, 2012
... 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 with standard gaseous fuels having modified Wobbe Indices between 40–60. The modified wobbe index (MWI...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 041601.
Published Online: January 27, 2012
... error in the parameters of interest at a steady-state open-loop linear design point. aerospace engines aircraft control closed loop systems dynamic response Kalman filters mean square error methods open loop systems optimisation self-adjusting systems state estimation Next...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. March 2012, 134(3): 034501.
Published Online: January 9, 2012
... 2012 09 01 2012 aerospace engines combustion computational fluid dynamics confined flow flow simulation gas turbines jets mixing pipe flow sprays micro gas turbine low emission lean premixed prevaporized combustion multihole tube mixing uniformity As the core...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 031503.
Published Online: December 30, 2011
... for the four bar flame. Compared with atmospheric investigations, the smaller diameters of the droplets and the small streamline curvature of the configuration led to a more uniform behavior of the spray. 28 04 2011 28 04 2011 30 12 2011 30 12 2011 aerospace engines combustion...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 021501.
Published Online: December 9, 2011
... in the mixing zone. The distribution of pilot and main fuel and subsequent mixing affect velocity 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 021601.
Published Online: December 7, 2011
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 111601.
Published Online: May 17, 2011
... ) 01 07 2010 30 01 2011 17 05 2011 17 05 2011 aerospace engines aircraft control closed loop systems feedback jet engines linearisation techniques nonlinear control systems Aeroengines are highly nonlinear systems, and one single linear time-invariant (LTI...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2011, 133(9): 092502.
Published Online: April 19, 2011
... to configure and effectively manage flow networks in many forms including a status model, failure modes of the status model, multiple alternative designs, as well as failure modes specific to an alternative design. 02 07 2010 16 07 2010 19 04 2011 19 04 2011 aerospace engines...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 081602.
Published Online: April 6, 2011
.... , 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 071603.
Published Online: March 24, 2011
... reflecting engine performance. Such an approach is beneficial for situations where it is not practical to transmit full flight data sets off the aircraft, or to archive flight data for the entire lifetime of an engine. aerospace engineering aerospace engines condition monitoring data handling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072504.
Published Online: March 22, 2011
... 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...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 062401.
Published Online: February 15, 2011
... 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 These two figures show clearly the role...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 042502.
Published Online: November 18, 2010
.... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 042501.
Published Online: November 18, 2010
... turbomachinery aerospace components aerospace engines damping design engineering elasticity finite difference methods friction hydrostatics machine bearings orifices (mechanical) turbomachinery 04 11 2009 21 06 2010 18 11 2010 18 11 2010 2011 American Society...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 032503.
Published Online: November 12, 2010
... can range from oil coking with blockage of the oil tubes to oil fires with loss of part integrity, damage or even destruction of the engine. aerospace engines aircraft computational fluid dynamics heat transfer machine bearings pipe flow temperature distribution two-phase flow vents...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021901.
Published Online: October 29, 2010
... aerodynamics aerospace engines computational fluid dynamics coolants cooling jets Navier-Stokes equations The objective of meeting stricter and stricter legislative requirements regarding NO x emissions has been leading the development of innovative aero-engine combustors during...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021501.
Published Online: October 26, 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2010, 132(11): 112501.
Published Online: August 5, 2010
... quantitative performance parameters together with qualitative aspects that this “more electric” technology implies. 05 03 2009 23 11 2009 05 08 2010 05 08 2010 aerospace engines gas turbines magnetic bearings rolling bearings rotors steam turbines vibration control...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 081601.
Published Online: May 18, 2010
... 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...