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Keywords: seals (stoppers)
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 042203.
Published Online: October 10, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 032202.
Published Online: June 15, 2010
... in an oil seal do not isolate the pressure fields of adjacent film lands and hence contribute greatly to the forced response of the mechanical element. 27 09 2009 14 03 2010 15 06 2010 15 06 2010 damping elastic constants mechanical stability rings (structures) seals...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 022201.
Published Online: April 6, 2010
... numerical study aerodynamics elasticity finite element analysis gas turbines Navier-Stokes equations seals (stoppers) 14 12 2006 20 07 2009 06 04 2010 06 04 2010 Once the vibration modes are known, the modal force Θ r corresponding to the r -th mode...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 032202.
Published Online: June 1, 2009
.... 07 10 2008 15 04 2009 01 06 2009 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...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031501.
Published Online: May 27, 2009
.... 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...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021501.
Published Online: March 4, 2009
... hydraulic systems lubrication mechanical contact rods (structures) seals (stoppers) thermal analysis reciprocating seal rod seal hydraulic seal elastohydrodynamics The rod seal is one of the most critical elements in a hydraulic system since it must prevent leakage of hydraulic fluid...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 032201.
Published Online: June 20, 2008
... of a single seal and a double lip seal. 11 09 2007 14 02 2008 20 06 2008 deformation elastomers fluid mechanics hydraulic systems mechanical contact seals (stoppers) reciprocating seal rod seal hydraulic seal elastohydrodynamics The reciprocating rod seal plays...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021504.
Published Online: April 8, 2008
... of the oil from the air side to the oil side. 07 03 2007 12 12 2007 08 04 2008 elastomers mechanical contact numerical analysis seals (stoppers) shafts temperature distribution thermoelasticity Young's modulus radial lip seals thermoelastohydrodynamic local thermal...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 876–886.
Published Online: May 30, 2007
... finite element analysis hydrostatics laminar flow laminar to turbulent transitions lubricants seals (stoppers) turbulence 18 09 2006 30 05 2007 Operating and design parameters of the studied seal Design parameters Inner radius, R i 0.11 m Outer...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 841–850.
Published Online: March 30, 2007
..., 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...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 669–678.
Published Online: March 12, 2007
... 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...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 660–668.
Published Online: February 8, 2007
..., lubricant viscosity cavitation type, and air entrapment among others ( 1 ). For numerous years, research efforts have been conducted to elucidate the parameters and configurations that maximize SFD performance for different applications. squeeze film damper force coefficients damping seals...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 398–406.
Published Online: January 5, 2007
... laminar flow seals (stoppers) compressors annular seals compressors laminar flow Figure 1 illustrates a typical oil seal assembly that would be used to prevent gas leakage in a centrifugal compressor. Oil is injected between two bushings at a pressure P s + Δ P s above...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 407–410.
Published Online: November 18, 2006
... 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...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 365–374.
Published Online: November 3, 2006
...) of the stator assembly. The rotor is supported by two hydrostatic water bearings, and it has a first natural frequency above the test frequency range. 17 04 2006 03 11 2006 rotors seals (stoppers) shock absorbers design engineering damping machine bearings damper seal force...
Journal Articles
Article Type: Technical Briefs
J. Tribol. April 2007, 129(2): 424–429.
Published Online: October 20, 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...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 91–97.
Published Online: October 3, 2006
..., but with a roughness of σ ̂ = 3.713 or σ = 0.8 μ m ) and show that such a seal will leak. Note that these results are consistent with Fig. 8 . 10 03 2006 03 10 2006 rods (structures) seals (stoppers) hydraulic systems elastomers deformation mechanical contact fluid...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 129–134.
Published Online: September 18, 2006
... due to the expanded axis range. The two agree best for the lowest pressure ratio. 15 03 2006 18 09 2006 compressors computational fluid dynamics flow simulation sealing materials seals (stoppers) lubricating oils lubrication design engineering shafts machine bearings...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 817–827.
Published Online: July 5, 2006
... that the reduced-order models are insensitive to the compressibility number in the operating range. These results also indicate that the model is valid for different force input types. 26 08 2005 05 07 2006 seals (stoppers) reduced order systems finite element analysis mechanical gas...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 711–717.
Published Online: July 3, 2006
... are shown in Fig. 1 and Table 1 . 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 morphology diamond-like carbon coatings high...