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Keywords: machine bearings
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 041702.
Published Online: October 14, 2011
... on the present results, we propose simple formulas for the design of textured micro-thrust bearings. computational fluid dynamics friction genetic algorithms machine bearings micromotors minimisation Navier-Stokes equations numerical analysis Pareto optimisation rotors stators texture 3-D...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031703.
Published Online: July 28, 2011
... elasticity finite element analysis flow simulation lubricating oils lubrication machine bearings membranes shafts hybrid journal bearing micropolar lubricant misalignment membrane restrictor Multirecess hybrid journal bearings have been successfully used in many industrial...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031301.
Published Online: July 21, 2011
... machine bearings titanium alloys wear resistance Patients suffering from chronic heart failure require mechanical pumps to increase the efficiency of blood flow into and out of the native heart [( 1 )]. A common treatment involves using a left ventricular assist device (LVAD), which pumps blood...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031403.
Published Online: July 7, 2011
...). 21 11 2010 07 03 2011 07 07 2011 07 07 2011 ductility fatigue functionally graded materials hardness indentation machine bearings materials testing plasticity steel surface hardening wear resistance plastically graded material (PGM) hardness gradient case...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2011, 133(3): 034501.
Published Online: June 17, 2011
... amount of lubricant can be used for both hydrostatic and hydrodynamic lubrication, thereby facilitating transition between the two. This hybrid bearing can be used in several applications. bushings hydrodynamics hydrostatics lubrication machine bearings shafts journal bearing hydrostatic...
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. April 2011, 133(2): 021703.
Published Online: March 22, 2011
... with the experiments, and also the 3D THD model could predict potential thermal instability observed in the experimental measurements. 22 09 2010 13 01 2011 22 03 2011 22 03 2011 convection electric power generation fuel cells machine bearings rotors solar cells stability...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2011, 133(1): 011704.
Published Online: January 5, 2011
... parts. reversible rotation journal bearings elliptical groove curved geometry spectral element method elastic constants machine bearings numerical analysis rotation 09 03 2010 24 11 2010 05 01 2011 05 01 2011 2011 American Society of Mechanical...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2011, 133(1): 011701.
Published Online: December 3, 2010
... metal bearings with relatively large permeability could achieve large values of dynamic stiffness and damping coefficients using a low permeability, surface-restricted layer. 20 01 2010 26 09 2010 03 12 2010 03 12 2010 damping elastic constants graphite machine bearings...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2011, 133(1): 011101.
Published Online: December 3, 2010
... by the experiment. 29 10 2008 31 03 2009 03 12 2010 03 12 2010 bushings finite element analysis heat transfer machine bearings transfer matrix method heat partition oscillation journal bearing Journal bearings are widely used in various mechanical devices...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2011, 133(1): 011702.
Published Online: December 3, 2010
... system. 28 12 2009 22 06 2010 03 12 2010 03 12 2010 damping elastic constants force harmonics Jacobian matrices machine bearings Newton-Raphson method rotors vectors vibrations For a tilting-pad journal bearing used in practice, the static loads (gravity, gear...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041704.
Published Online: October 7, 2010
... when operating in a turbulent regime. 06 12 2009 27 08 2010 07 10 2010 07 10 2010 abrasion elastic constants finite element analysis lubrication machine bearings turbulence wear hybrid journal bearings turbulence recess shape The multirecess hydrostatic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041703.
Published Online: October 7, 2010
... ) γ ̇ shear strain rate in the lubricant η lubricant viscosity η o lubricant ambient viscosity ρ lubricant density τ x x-direction shear stress in the lubricant friction lubrication machine bearings centrally pivoted...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 042101.
Published Online: October 7, 2010
... developed as an effective method for the prevention of such damage. mixed lubrication journal bearing microgroove modeling experiment automotive engine connecting rod bearing elastic deformation friction lubrication machine bearings 25 02 2009 16 07 2010 07 10 2010...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041604.
Published Online: October 7, 2010
... to affect the wear response and the frictional heat generation ( 1 2 ). cryogenic wear titanium copper flash temperature abrasion boiling point copper hardness low-temperature techniques machine bearings mechanical contact sliding friction steel thermal conductivity titanium...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. October 2010, 132(4): 044505.
Published Online: October 7, 2010
.../1266454 17 09 2009 19 07 2010 07 10 2010 07 10 2010 condition monitoring machine bearings response surface methodology vibrations condition monitoring kurtosis response surface methodology Rolling element bearings are one of the most essential parts...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041701.
Published Online: September 10, 2010
... methods lubricants machine bearings non-Newtonian flow orifices (mechanical) thermal analysis viscosity hybrid journal bearing slot-entry hole-entry constant flow valve capillary orifice non-Newtonian lubricant thermal effects Nonrecessed hybrid journal bearings have been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031802.
Published Online: July 21, 2010
... can be a bearing that operates optimally in a narrow window of speeds and loads but is less robust if system conditions change ( 5 ). tilting-pad journal bearings energy efficiency lubricant mixtures tunable fluids cooling lubricants machine bearings shafts viscosity 19 10...