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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
... bearings mass-conservative algorithm cavitation roughness effects cavitation density force friction liquid films machine bearings sealing materials surface roughness surface texture 06 05 2010 03 11 2010 22 03 2011 22 03 2011 In this paper, the tribological...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031701.
Published Online: June 4, 2010
... medium further supports this finding. 06 05 2009 09 04 2010 04 06 2010 04 06 2010 compressibility compressible flow liquid films lubrication micromechanical devices lubrication squeeze film microsystems MEMS inertia effects In several recent...
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 During the last 4 decades, the dynamics...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011704.
Published Online: December 10, 2009
.... 05 04 2009 25 09 2009 10 12 2009 10 12 2009 convection friction heat conduction liquid films lubrication machine bearings oils rough surfaces viscosity surface roughness thermal effect viscosity-pressure relationship misalignment journal bearing...
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
... occurs. Total friction coefficient as a function of velocity (roughness effect), σ s = 0.04   μ m and F T = 40   N 09 07 2009 23 09 2009 12 11 2009 12 11 2009 elastodynamics hydrodynamics liquid films lubrication mechanical...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011702.
Published Online: November 11, 2009
... fracture liquid films machine bearings misalignment thermohydrodynamic analysis mass-conservative cavitation Severe operating conditions in hydrodynamic journal bearings, such as heavy load and high rotational speeds, can easily raise the operating temperatures to much higher levels than...
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 Figure 3 shows a schematic of the test rig. The test shaft (5...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2009, 131(3): 034501.
Published Online: May 22, 2009
... ,” ASME J. Tribol. 0742-4787 , 122 , pp. 539 – 543 . 10.1115/1.555398 chemical mechanical polishing film flow liquid films mechanical contact Navier-Stokes equations Reynolds equation polar coordinates pin-on-disk chemical mechanical polishing The Reynolds equation, which...
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
... been detected as a result of the collapse of cavities in the vicinity of bearing walls. negative squeeze behavior vaporization bubble dynamics Rayleigh–Plesset equation bubbles cavitation compressibility compressible flow computational fluid dynamics fracture liquid films...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041506.
Published Online: August 7, 2008
... 07 08 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...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041504.
Published Online: August 5, 2008
... oils can now be accurately calculated from just the shear-dependent viscosity of the liquid measured in a viscometer when the contact pressure is low. 17 12 2007 16 06 2008 05 08 2008 elastodynamics hydrodynamics liquid films lubrication rheology We have shown...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031102.
Published Online: June 23, 2008
.... These advantageous characteristics of foil bearings have been demonstrated through many experimental investigations ( 1 2 3 4 ). foil bearing finite element method minimum film thickness elastic deformation finite element analysis foils liquid films machine bearings The stiffness matrix...
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
... J. Lubr. Technol. 0022-2305 , 99 ( 2 ), pp. 264 – 275 . 07 09 2007 31 10 2007 20 03 2008 elastodynamics friction high-pressure effects hydrodynamics liquid films lubricants oils rheology viscosity EHL elastohydrodynamics rheology film thickness shear...