... OF TRIBOLOGY . Manuscript received by the Tribology Division July 19, 2001; revised manuscript received January 22, 2002. Associate Editor: L. San Andre´s. 19 July 2001 22 January 2002 31 05 2002 machine bearings rotors gases films porosity surface texture flexible structures...

.... Manuscript received by the Tribology Division January 17, 2001; revised manuscript received June 13, 2001. Associate Editor: J. A. Tichy. 17 January 2001 13 June 2001 seals (stoppers) dynamics damping gases lubrication tribology Non-contacting gas lubricated face seals offer...

...) lubrication rotors dynamics tribology gases Mechanical face seal dynamics has been an active research area since the early 60’s as documented by Etsion 1 2 3 . A great deal of progress has been made in the understanding of various physical phenomena related to the seal dynamics. However...

... Editor: L. San Andre´s. 04 March 1999 15 July 1999 friction turbines machine testing Mach number loss measurement gases testing The main purpose of using seals in turbomachinery is to limit leakage between different pressure regions. Suppressing leakage will serve...

... June 1999 compliance control lubrication machine bearings finite difference methods finite element analysis hydrodynamics gases foils performance evaluation Oil-free bearing systems are attractive to the development of extreme environment turbomachinery and many other high...

.... 10 October 1999 06 October 1998 08 March 1999 modelling hydrodynamics machine bearings performance evaluation lubrication gases thin films high-speed techniques Gas film bearings have been successfully used in many commercial applications, such as navigation systems...