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Keywords: liquid films
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031802.
Published Online: July 25, 2011
... the corresponding solution. This algorithm can also be used for any generalized double Newtonian shear thinning Carreau law. 02 06 2010 17 03 2011 25 07 2011 convection elongation film flow liquid films non-Newtonian flow shear flow slip flow viscosity non-Newtonian lubricant...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031501.
Published Online: June 17, 2011
... substantial solid contact occurs. To interpret the ultrasonic reflection results, a mixed regime model for a circular point contact was established. The liquid film stiffness was calculated by using a predicted film thickness and a bulk modulus estimated from published rheological models of lubricants under...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021704.
Published Online: March 22, 2011
... for seals or thrust bearings. In all the simulations, the dimples are assumed to be circular in the r - θ plane with a spherical cap bottom shape. 06 05 2010 03 11 2010 22 03 2011 22 03 2011 cavitation density force friction liquid films machine bearings sealing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031701.
Published Online: June 4, 2010
... in systems employing liquid films. This discrepancy was observed as early at the late 1990s in conjunction with scanning or atomic force microscopy operating in the liquid immersion mode ( 17 18 ). More recent studies employing larger, millimeter-size cantilevers have shown comparable trends in the damping...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021702.
Published Online: March 25, 2010
... 03 2010 differential equations elasticity elastodynamics finite element analysis friction hydrodynamics liquid films machine bearings oils rotors valves tilting-pad journal bearings control elastohydrodynamics vibration Curves of static oil film thickness...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011103.
Published Online: November 13, 2009
... recess thrust bearings operating at a certain rotational speed is determined by finding the optimum film thickness in the recess. An example is given for annular recess thrust bearings. 14 05 2008 07 04 2009 13 11 2009 13 11 2009 friction hydrostatics liquid films machine...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 012102.
Published Online: November 12, 2009
... that utilize multilevel solvers are extended for prediction of film thickness in lubricated elliptic contacts. The pressure and film thickness on the center-line of the contact are predicted accurately from an equivalent point contact analysis ( 3 ). elastodynamics hydrodynamics liquid films...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011702.
Published Online: November 11, 2009
... . 07 06 2009 14 09 2009 11 11 2009 11 11 2009 cavitation convection fracture liquid films machine bearings misalignment thermohydrodynamic analysis mass-conservative cavitation Severe operating conditions in hydrodynamic journal bearings, such as heavy load...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011801.
Published Online: November 10, 2009
... in many situations and still, a full understanding of the origins of these complicated behaviors of emulsion remains a challenge. emulsion phase inversion effective viscosity Reynolds equation hydrodynamic lubrication computational fluid dynamics emulsions hydrodynamics liquid films...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041701.
Published Online: September 21, 2009
... and high stability under small eccentricity. 20 11 2008 27 05 2009 21 09 2009 elastic constants film flow finite element analysis hydrodynamics hydrostatics liquid films machine bearings stability Sensors are installed on the test bearing housing to measure...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2009, 131(3): 034501.
Published Online: May 22, 2009
... in Chemical Mechanical Polishing ,” ASME J. Tribol. 0742-4787 , 122 , pp. 539 – 543 . 10.1115/1.555398 21 03 2008 02 03 2009 22 05 2009 chemical mechanical polishing film flow liquid films mechanical contact Navier-Stokes equations Reynolds equation polar...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. April 2009, 131(2): 024504.
Published Online: March 6, 2009
...Y. F. Peng; Y. B. Guo; Y. Q. Hong The strong stiction of adjacent surfaces with meniscus is a major design concern in the devices with a microsized interface. The present research concerns the elastic adhesion of rough fractal surfaces in the presence of a thin liquid film. A rough fractal surface...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011704.
Published Online: December 2, 2008
... fluid dynamics fracture liquid films lubrication vaporisation negative squeeze behavior vaporization bubble dynamics Rayleigh–Plesset equation Lubricated contacts are a typical feature of most technical devices and machines. The dynamics of lubricants can be described by the Navier...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041506.
Published Online: August 7, 2008
... elastodynamics hydrodynamics liquid films lubrication mechanical contact point contacts rolling thin films EHL shear thinning Carreau point contact correction factor The accurate prediction of lubricant film thickness and traction coefficient in elastohydrodynamic lubrication (EHL...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041504.
Published Online: August 5, 2008
... hydrodynamics liquid films lubrication rheology EHL film thickness shear-thinning scale effects generalized Newtonian The film thickness in elastohydrodynamically lubricated (EHL) concentrated contacts has implications for friction and for the wear and fatigue life of the rollers...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031102.
Published Online: June 23, 2008
... 23 06 2008 elastic deformation finite element analysis foils liquid films machine bearings foil bearing finite element method minimum film thickness Air foil bearings have been successfully used in various types of rotating machinery, such as turbochargers, auxiliary...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021703.
Published Online: May 6, 2008
... to include squeeze film motion is outlined. 05 04 2007 20 01 2008 06 05 2008 boundary layers cavitation film flow fracture hydrodynamics liquid films lubrication numerical stability rolling bearings voids (solid) wetting cavitation analysis fluid film lubrication...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021502.
Published Online: March 20, 2008
... the viscosity of the film remains relatively low and thermal softening resulting from viscous heating may be ignored. EHL elastohydrodynamics rheology film thickness shear thinning non-Newtonian viscosity elastodynamics friction high-pressure effects hydrodynamics liquid films...