... simulation hydrodynamics lubrication mechanical contact Poiseuille flow rough surfaces sealing materials seals (stoppers) surface roughness mechanical face seals mixed lubrication hydrodynamic lubrication roughness deterministic simulation This work is focused on mixed lubrication...

... seal force coefficients damping elastic constants mechanical stability rings (structures) seals (stoppers) shock absorbers 27 09 2009 14 03 2010 15 06 2010 15 06 2010 2010 American Society of Mechanical Engineers ...

...-Stokes equations seals (stoppers) labyrinth seal flutter stability numerical study Gas turbines contain a large number of seals or so-called stationary rings that operate within close proximity of rotating parts to prevent flow recirculation in the compressor and turbine stages...

.... Couette flow Poiseuille flow seals (stoppers) turbulence turbulence roughness rough flow hydrostatic seal mechanical face seal It is well-known that several lubricated mechanisms, such as annular seals ( 1 ), hydrostatic seals ( 2 ) and hybrid bearings ( 3 ) operate in turbulent flow...

.... 31 12 2008 10 04 2009 27 05 2009 elastodynamics elastomers fluid mechanics friction hydraulic systems hydrodynamics lubricants rods (structures) seals (stoppers) shear flow reciprocating seal rod seal hydraulic seal elastohydrodynamics The elastomeric...

.... Conversely, above the critical speed there is no net leakage. 21 08 2008 23 11 2008 04 03 2009 deformation elastodynamics fluid mechanics hydraulic systems lubrication mechanical contact rods (structures) seals (stoppers) thermal analysis reciprocating seal rod seal...

... systems mechanical contact seals (stoppers) reciprocating seal rod seal hydraulic seal elastohydrodynamics The reciprocating rod seal plays an important role in the operation of hydraulic actuators since it must prevent leakage of hydraulic fluid into the environment. Any loss...

... thermoelastohydrodynamic local thermal effect elastomers mechanical contact numerical analysis seals (stoppers) shafts temperature distribution thermoelasticity Young's modulus 07 03 2007 12 12 2007 08 04 2008 e-mail: dbonneau@iutang.univ-poitiers.fr e-mail: hajjam@iutang.univ...

... finite element analysis hydrostatics laminar flow laminar to turbulent transitions lubricants seals (stoppers) turbulence 18 09 2006 30 05 2007 2007 American Society of Mechanical Engineers ...

..., creates a diverging gap. 06 11 2006 30 03 2007 compressible flow confined flow elastodynamics film flow finite element analysis heat transfer hydrodynamics seals (stoppers) thermoelasticity mechanical gas face seals inertia effects choked flow compressible elastic...

... for the direct and cross-coupling stiffness and for the cross-coupling damping. The results obtained for the direct damping are still under discussion. 28 03 2006 12 03 2007 seals (stoppers) damping friction Navier-Stokes equations stators textured surface annular seal CFD analysis...

... coefficients, damping, and added mass, are in good agreement with predictions based on the full film, short length damper model. 07 03 2006 08 02 2007 damping seals (stoppers) lubricants friction shock absorbers vibrations squeeze film damper force coefficients Squeeze...

.... The tests reported here apply for a locked position. annular seals compressors laminar flow laminar flow seals (stoppers) compressors 03 05 2006 05 01 2007 Kirk , R. , 1986 , “ Oil Seal Dynamic Considerations for Analysis of Centrifugal Compressors ,” Proc...

... 18 11 2006 seals (stoppers) surface texture laser materials processing elasticity compressible flow lubrication hydrostatic seal film stiffness laser surface texturing design efficiency parameter One main objective in noncontacting mechanical seals is to provide minimal...

... or degrade the dynamic stability of the rotor-bearing system and can also influence the vibration response of the machine. damper seal force coefficients rotordynamics turbomachinery rotors seals (stoppers) shock absorbers design engineering damping machine bearings 17 04 2006...

... rig for seal design and optimization. 02 05 2006 20 10 2006 seals (stoppers) computational fluid dynamics rotors design engineering compressors numerical analysis CFD hole-pattern seal gas seal damper seal rotordynamic coefficients centrifugal compressor...

... or not the seal leaks. 10 03 2006 03 10 2006 rods (structures) seals (stoppers) hydraulic systems elastomers deformation mechanical contact fluid mechanics iterative methods surface roughness finite element analysis friction lubrication reciprocating seal rod seal hydraulic...

... to labyrinth seals with tooth height to clearance ratios of around 10. The tooth width is small as in a labyrinth seal. 15 03 2006 18 09 2006 compressors computational fluid dynamics flow simulation sealing materials seals (stoppers) lubricating oils lubrication design engineering...

... to seals operating within a wide range of compressibility numbers, and results are provided that demonstrate the global reduced-order model is capable of predicting the nonlinear gas film forces even with large deviations from the equilibrium clearance. 26 08 2005 05 07 2006 seals...

..., we will discuss the failure mode of DLC coatings. 28 12 2004 03 07 2006 diamond-like carbon alumina ceramics sealing materials seals (stoppers) wear friction plasma deposition plasma immersion ion implantation scanning electron microscopy X-ray chemical analysis surface...