... 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...

... stresses ( 2 ) and lower bearing life ( 3 ). The rolling contact flash temperature must not exceed the lubricant’s ignition point to prevent oil fires that would lead to bearing failure. aerospace propulsion aircraft ball bearings cooling jet engines shafts 01 07 2010 02 07 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...

... 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...

... due to the transient fuel flow change using the Runge–Kutta method. In this transient performance simulation, the turbine overshoot was predicted. 31 03 2008 09 04 2008 10 02 2009 aerospace computing aerospace engines aerospace propulsion aircraft control control engineering...

... 2008 11 09 2008 06 02 2009 aerosols aerospace engines aerospace propulsion air pollution control air traffic combustion equipment condensation exhaust systems fans fuel economy gas turbines The importance of air-traffic pollutants in the global climate, especially...

.... jet engine test bench hands-on projects Master students aerospace propulsion compressors educational courses engineering education jet engines 01 04 2008 08 04 2008 10 10 2008 The engine is mounted on a test bench. In that configuration, ambient pressure...

... 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...

... (SFC) is increasing as in Figs. 9e 9f . Therefore, this case thrust oscillation should also be considered for safe flight during flight mode transition. 25 08 2005 28 09 2005 jet engines aerospace propulsion rotors aerospace computing mathematics computing valves...

... 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 10 Altitude and Mach number conditions for zoom-climb from 25 000 ft to 40 000 ft at Mach number of 0.8. Conditions obtained...

... 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 internal combustion engines with heavy diesel, or JP types of fuels. In that power range gas turbine engines have...

... 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, fix most of the risks and financial resources associated...

... 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...

... ‐ deg intervals. Grid layout for three-stage fan 01 10 2003 01 03 2004 numerical analysis aerospace engines aerospace propulsion aerospace computing fans distortion The research reported herein was performed by the Arnold Engineering Development Center...

.... 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...

..., 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 turbines nozzles combustion detonation fuel mixing Current Air Force planning activities indicate...

... simulation gas turbines aerospace propulsion 07 June 1999 09 March 1999 15 May 2000 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER . Paper...

...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...