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Keywords: lubricating oils
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 041801.
Published Online: October 6, 2011
... of the sealing contact is due to the migration of contaminant particles. The migration reduces the probability of particles to reach the sealing and bearing contacts. 27 05 2011 27 05 2011 06 10 2011 06 10 2011 greases lubricating oils organic compounds probability rolling...
Journal Articles
Publisher: ASME
Article Type: Technology Review
J. Tribol. October 2011, 133(4): 044001.
Published Online: October 6, 2011
... lubricating oils maintenance engineering photoacoustic spectra sensors wind power wind turbines condition monitoring gearbox wind turbine inline online oil analysis particulate analysis FITR spectroscopy photoacoustic spectroscopy sensors fiber optics Ensuring reliability...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031703.
Published Online: July 28, 2011
...Satish C. Sharma; E. Rajasekhar Nicodemus; Nathi Ram The present work aims to analytically study the performance of misaligned four-pocket, membrane compensated, hybrid journal bearing system operating with micropolar lubricant. In the present study, the flow characteristic of the lubricating oil...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031503.
Published Online: July 21, 2011
... = 8 . 6 kg . This is because the central film thickness is much larger for the former. 26 11 2010 27 04 2011 21 07 2011 21 07 2011 deformation elastodynamics hydrodynamics impact (mechanical) lubricating oils lubrication mechanical contact micromechanics...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031701.
Published Online: July 12, 2011
... and gas (e.g., the oil and air) strongly influence the conditions for the inception of aeration in lubricating flow. aerating lubrication flow clutch surface tension contact angle groove drag reduction contact angle discs (structures) drag reduction fluids inclusions lubricating...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031501.
Published Online: June 17, 2011
.... Comparison of film thickness against dimensionless parameter at p  = 0.84 GPa 30 12 2010 06 04 2011 17 06 2011 17 06 2011 elastic moduli film flow flow separation flow visualisation hydrodynamics liquid films lubricating oils rheology rough surfaces ultrasonic waves...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021801.
Published Online: March 18, 2011
... of the products was analyzed by means of Fourier transformation infrared spectrometry, elemental analysis, and so on. The thermal stability of the products was evaluated by thermogravimetric analysis. The tribological properties of the synthesized borate esters as lubricating oil additives in liquid paraffin were...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041602.
Published Online: September 23, 2010
... . 10.1007/s11249-004-1769-4 Kennedy , F. E. , 1984 , “ Thermal and Thermomechanical Effects in Dry Sliding ,” Wear 0043-1648 , 100 ( 1–3 ), pp. 453 – 476 . 10.1016/0043-1648(84)90026-7 23 12 2009 16 07 2010 23 09 2010 23 09 2010 cast iron lubricating oils...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 032101.
Published Online: June 16, 2010
... study assessing the additive/additive and additive/surface interactions, and their influences on the durability of a low hydrogen-containing ( 15 at . % hydrogen) metal-free DLC coating (a-C:15H). In this study, lubricating oils containing a zinc dithiophosphate (ZDDP) antiwear additive...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011104.
Published Online: December 10, 2009
.... Yet, a continuous supply of lubrication oil is necessary, even during disengagement. This study examines the underlying processes responsible for the oil flow between grooved disks and possible aeration through a combination of experiments and numerical computations. A two-dimensional model...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011703.
Published Online: November 17, 2009
... Variation in experimental results under flooded and starved lubrication conditions Figure 4 is a schematic diagram of a cylindrical journal bearing. Under starved lubrication conditions due to the restriction of the oil supply, an amount of lubricating oil in a wedge region is insufficient...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011601.
Published Online: November 9, 2009
... processing conditions. 27 04 2009 25 08 2009 09 11 2009 09 11 2009 aluminium alloys billets dies (machine tools) extrusion finite element analysis friction lubricating oils shear strength surface roughness tip test friction measurement tip distance backward...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 022201.
Published Online: February 26, 2009
... direction of eddies differ from that of the general flow, causing energy dissipation and power loss. 13 06 2008 27 01 2009 26 02 2009 drag gears lubricating oils lubrication mechanical contact power transmission (mechanical) gears spin power losses oil churning oil...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 022202.
Published Online: February 26, 2009
... these experiments. Direct comparisons between the model predictions and measurements are provided at the end to demonstrate that the model is capable of predicting the measured spin power loss values as well as the measured parameter sensitivities reasonably well. design engineering gears lubricating oils...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011705.
Published Online: December 4, 2008
... lubricating oils lubrication machine bearings journal bearing stability oil supply groove bearing orientation angle starved lubrication flooded lubrication small bore In recent years, the trend of size reduction, increasing the speed of operation, and enhancing the precision...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011801.
Published Online: December 3, 2008
... corrosion protective coatings friction lubricating oils scanning electron microscopy thermal stability wear resistant coatings X-ray photoelectron spectra rapeseed oil benzotriazolyl polysulfides anticorrosive capability tribological properties In gear oil and hydraulic oil, extreme...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041801.
Published Online: August 5, 2008
... lubricating oils lubrication mechanical contact mixing particle size powders rheology viscosity wear 20 05 2007 10 01 2008 05 08 2008 2008 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 042301.
Published Online: August 4, 2008
.... abrasion lubricating oils lubrication materials testing scanning electron microscopy steel thin films transmission electron microscopy polarity lubrication tribofilm wear nanoparticles Tribofilms play an important role in protecting steel surfaces ( 1 ). Zinc dithiophosphate (ZDDP...