... 2011 28 12 2011 28 12 2011 abrasion aerodynamics aerospace components aerospace propulsion friction machine bearings rotors turbomachinery hybrid air foil bearing oil-free aero-propulsion Air/gas foil bearings (AFBs) have shown promise in high-speed micro...

... and parasitic power loss reduction are presented. 01 07 2010 02 07 2010 17 02 2011 17 02 2011 aerospace propulsion aircraft ball bearings cooling jet engines shafts Higher bearing temperatures decrease the hardness and strength of the overrolled bearing components ( 1...

.... 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...

... to 5.44% for the maneuvers analyzed. 12 04 2010 19 04 2010 12 11 2010 12 11 2010 aerospace propulsion aircraft testing boundary layers computational fluid dynamics cooling distortion jet engines mass transfer military aircraft nozzles supersonic flow thermal energy...

...Gyaebyung Yang; Daejong Park; Chun Taek Kim; Sejin Kwon Hydrazine monopropellant is often used with a spontaneous catalyst a high-performance aircraft emergency power unit (EPU) and in aerospace propulsion; however, it is toxic and requires special handling. A hydrogen peroxide ( H 2 O 2 ) -based...

... by the transient performance model. 31 03 2008 09 04 2008 10 02 2009 aerospace computing aerospace engines aerospace propulsion aircraft control control engineering computing digital simulation gas turbines graphical user interfaces remotely operated vehicles Runge-Kutta...

... fans or remotely driven fans, which have bypass ratios similar to what was obtained in this study. 15 01 2008 11 09 2008 06 02 2009 aerosols aerospace engines aerospace propulsion air pollution control air traffic combustion equipment condensation exhaust systems fans...

... the isentropic efficiency η t , a correlation with the inlet corrected mass flow is to be determined from the experimental measurements. 01 04 2008 08 04 2008 10 10 2008 aerospace propulsion compressors educational courses engineering education jet engines jet engine...

... fraction, which can reduce the overall PDC exit temperature, can simultaneously provide small increases in the overall system efficiency. 21 06 2006 01 05 2007 26 12 2007 aerospace engines aerospace propulsion combustion computational fluid dynamics detonation enthalpy...

... function θ valve angle 25 08 2005 28 09 2005 jet engines aerospace propulsion rotors aerospace computing mathematics computing valves nozzles A smart unmanned aerial vehicle (UAV), which has been developed by KARI (Korea Aerospace Research Institute), has...

... 2004 01 October 2003 01 March 2004 24 06 2005 Kalman filters channel bank filters electric sensing devices aerospace engines fault diagnosis aerospace propulsion robust control gas turbines aerospace simulation actuators aerospace testing In-flight sensor fault...

... 2005 aerospace simulation aerospace propulsion ground support equipment aerospace engines gas turbines aerospace test facilities numerical analysis The Arnold Engineering Development Center (AEDC) has within its assets, ground facility infrastructure for the testing of gas turbine...

.... Associated Editor: R. Natole. 04 June 2001 01 December 2000 01 March 2001 11 08 2004 military aircraft aerospace engines aerospace propulsion rotation compressibility fuel product development There is an ongoing military need to fuel low-power (2–500 kW) small...

... dominating multidisciplinary effects are discussed. gas turbines aerospace computing CAD aerospace engines software packages graphical user interfaces aerospace propulsion systems analysis During the preliminary design phase of gas turbines the main parameters are fixed. These, in return...

... reinforced composites fasteners silicon compounds gas turbines aircraft testing combustion failure (mechanical) melt infiltration aerospace propulsion ceramics A major focus of NASA’s enabling propulsion materials (EPM) program was development of advanced ceramic matrix composites (CMC’s...

... analysis aerospace engines aerospace propulsion aerospace computing fans distortion The research reported herein was performed by the Arnold Engineering Development Center (AEDC), Air Force Material Command (AFMC). Work and analysis for this research were done by personnel of Aerospace Testing...

.... Manuscript received by IGTI, Dec. 2000, final revision, Mar. 2001. Associate Editor: R. Natole. 04 June 2001 01 Dec 2000 01 Mar 2001 27 12 2002 military aircraft aerospace engines aerospace propulsion detonation fuel drag reduction life cycle costing design engineering...

... and Aeroengine Congress and Exhibition, New Orleans, LA, June 4–7, 2001; Paper 2001-GT-448. Manuscript received by IGTI, Dec. 2000, final revision, Mar. 2001. Associate Editor: R. Natole. 04 June 2001 01 Dec 2000 01 Mar 2001 27 12 2002 aerospace engines aerospace propulsion gas...

... does not, by itself, promote large-scale system reuse. Object-Oriented Modeling Gas Turbines Computational Simulation aerospace engines aircraft digital simulation gas turbines aerospace propulsion 07 June 1999 09 March 1999 15 May 2000 Contributed...

...John A. Reed; Abdollah A. Afjeh Designing and developing new aerospace propulsion systems is time-consuming and expensive. Computational simulation is a promising means for alleviating this cost, but requires a flexible software simulation system capable of integrating advanced multidisciplinary...