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Keywords: flow simulation
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 042203.
Published Online: October 10, 2011
... hand, a stochastic approach can deal with large domains and offers global trends in relation to the parameters involved. mechanical face seals mixed lubrication hydrodynamic lubrication roughness deterministic simulation cavitation flow simulation hydrodynamics lubrication...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031703.
Published Online: July 28, 2011
... [( 16 )] with difference between the results being less than 0.5%. Variation of h − min with C − s 2 29 01 2011 06 06 2011 20 06 2011 28 07 2011 28 07 2011 additives elasticity finite element analysis flow simulation...
Journal Articles
Article Type: Technical Briefs
J. Tribol. July 2011, 133(3): 034503.
Published Online: July 21, 2011
... computational complexity elastic deformation flow simulation grid computing mesh generation A number of recent papers and discussions have convinced the author to write the present Technical Brief. It is intended to remind authors and reviewers of calculational papers that the terms “complexity...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041707.
Published Online: September 24, 2009
... Kn 0 has little influence on the load capacity and attitude angle for micro gas journal bearings. 05 08 2008 21 07 2009 24 09 2009 finite difference methods flow simulation machine bearings microfluidics micromechanical devices slip flow viscosity...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031702.
Published Online: June 2, 2009
... sophisticated descriptions of the cavitation phenomenon, which may lead to improved models (see e.g., in Refs. 2 3 4 . dynamical lubrication cavitation Elrod–Adams model oscillatory squeeze flow journal bearings cavitation flow simulation fluid oscillations lubrication machine bearings...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011802.
Published Online: December 4, 2008
... ) in Eq. 1 remain constant. This shifting rule is used throughout in the present analysis unless stated otherwise. 16 04 2008 20 09 2008 04 12 2008 elastodynamics flow simulation hydrodynamics lubricants lubrication non-Newtonian flow non-Newtonian fluids rheology shear...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011702.
Published Online: December 2, 2008
... ) , for instance, by applying appropriate reduction or substructure methods. boundary-value problems computational fluid dynamics finite element analysis flow simulation Reynolds equation fluid film theory hydrodynamic journal bearing Jakobsson–Floberg–Olsson (JFO) boundary conditions moving mesh...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 603–610.
Published Online: March 15, 2007
... laminar flow surface roughness shear flow hydrodynamics channel flow flow simulation lubrication numerical analysis hydrodynamic lubrication surface roughness lattice-Boltzmann simulation Reynolds equation flow factors The effect of surface roughness plays a crucial role in many...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 171–176.
Published Online: September 25, 2006
... crystal orientation polymer melts channel flow fluidics rough surfaces molecular dynamics method flow simulation shear flow injection moulding plastic products surface roughness orientational order parameter shear viscosity liquid crystalline polymers GB-spring-bead model molecular...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 129–134.
Published Online: September 18, 2006
... ) Subscripts in at the seal inlet out at the seal exit 15 03 2006 18 09 2006 compressors computational fluid dynamics flow simulation sealing materials seals (stoppers) lubricating oils lubrication design engineering shafts machine bearings contamination seal...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 120–128.
Published Online: June 27, 2006
... is predicted. The behavior of the turbulent flows with very high Reynolds number was also investigated. The physical and practical implications of the results are discussed. 02 03 2006 27 06 2006 computational fluid dynamics seals (stoppers) turbulence flow simulation Couette flow...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 559–565.
Published Online: March 6, 2006
... + ∂ 2 U Z ∂ Z 2 ) 01 11 2005 06 03 2006 flow simulation seals (stoppers) rings (structures) external flows Navier-Stokes equations cooling numerical analysis mechanical seal flow field CFD SIMPLE algorithm pressure correction method...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2005, 127(3): 575–581.
Published Online: June 13, 2005
... , “ Combined surface roughness pattern and non-Newtonian effects on the performance of dynamically loaded journal bearings ,” Tribol. Trans. , 45 ( 1 ), pp. 1 – 10 . lubrication mechanical contact non-Newtonian flow non-Newtonian fluids rheology film flow liquid films flow simulation...
Journal Articles
Article Type: Technical Briefs
J. Tribol. July 2005, 127(3): 679–684.
Published Online: June 13, 2005
... bearings lubrication diaphragms hydrostatics numerical analysis flow simulation The guiding principle of hydrostatic lubrication is to inject a constant pressure fluid via hydraulic restrictions into the pockets of the bearing. The stiffness of the hydrostatic bearing is completely...
Journal Articles
Article Type: Article
J. Tribol. April 2005, 127(2): 302–305.
Published Online: April 7, 2005
... conducted by: J. Tichy. 28 May 2004 06 July 2004 07 04 2005 lubrication non-Newtonian flow perturbation theory flow simulation rheology viscoelasticity In two-dimensional thin films, two shear stress components ( τ xy and τ zy ) and two...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2005, 127(1): 130–140.
Published Online: February 7, 2005
... seals (stoppers) shear turbulence confined flow liquid films hydrostatics lubricants flow simulation lubrication rotational flow flow instability The study of turbulence in lubricant films was of great interest in the 60s and 70s because of the increase in operating requirements...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2004, 126(4): 733–737.
Published Online: November 9, 2004
... is all the more significant. surface roughness lubrication compressible flow liquid films flow simulation 01 April 2004 27 May 2004 09 11 2004 Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY . Manuscript received...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2005, 127(3): 557–567.
Published Online: August 26, 2004
... considered that the angled injection linearly modifies the pressure level in both the upstream and the downstream part of the pocket. 20 02 2004 26 08 2004 machine bearings Navier-Stokes equations hydrostatics hydrodynamics flow simulation Hybrid journal bearings (Fig. 1...
Journal Articles
Article Type: Technical Notes
J. Tribol. July 2004, 126(3): 630–634.
Published Online: June 28, 2004
... films viscosity lubricants finite element analysis flow simulation thermoelasticity machine bearings lubrication Emerging technological scenario necessitated journal bearings to operate under severe conditions of heavy load and high speed resulting into deformation of bearing...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2004, 126(1): 137–145.
Published Online: January 13, 2004
... mechanical contact kinetic theory flow simulation During the past two decades there has been growing interest in the science and application of third body tribology among researchers and practitioners in industry, particularly those concerned with reliability problems 1 2 3 . Progress has been...