... 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 Rejuvenation Technology for IGT Components,” ASME Turbo Expo 2009 , Orlando, Florida , Paper No. GT 2009-60405. 05 08 2010 31 03 2011 28 10 2011 28 10 2011 aerospace components blades gas turbines Present day turbine airfoils are commonly made of high strength, high...

... 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...

... in similar modal natural frequency to the critical speed in Y -direction, as presented in Fig. 5b . Waterfall plot of hydrodynamic AFB 11 09 2009 07 12 2009 27 08 2010 27 08 2010 aerospace components hydrostatics machine bearings turbomachinery hybrid...

... 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...

... flow capacity levels, its peak value slightly drifts toward the left with increasing altitude, whereas it slightly drifts toward the right with increasing M/ISAD (see Figs. 1 2 3 ). 06 05 2008 01 12 2008 22 05 2009 aerospace components...

... effectiveness occurs as a result of boundary layer separation due to the strong shock waves. A coolant-blockage and shaped-wedge similarity was proposed and found to be able to qualitatively explain this phenomenon satisfactorily. 13 04 2008 09 07 2008 10 02 2009 aerospace components...

... 09 12 2005 03 08 2007 22 01 2008 aerospace components aerospace engines aircraft maintenance condition monitoring turbomachinery An auxiliary power unit (APU) is a small turbo engine used primarily for starting the propulsion engines, provide bleed air...

... analysis aerospace components foil bearings rotor dynamics stability gas lubrication The designers of turbine engines have always had to deal with very severe restrictions concerning weight. Consequently, these designers focused on an increase...