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Keywords: oils
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031801.
Published Online: June 16, 2010
... with grease, corn oil, VG100, and VG32 were used to investigate the lubrication characteristics. During the test, temperature was measured in the specimen by a K-type thermocouple to determine the temperature increase induced by heat generation due to plastic deformation. In the present investigation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021702.
Published Online: March 25, 2010
...Asger M. Haugaard; Ilmar F. Santos The static and dynamic properties of tilting-pad journal bearings with controllable radial oil injection are investigated theoretically. The tilting pads are modeled as flexible structures and their behavior is described using a three-dimensional finite element...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011704.
Published Online: December 10, 2009
...Jun Sun; Mei Deng; Yonghong Fu; Changlin Gui Journal misalignment exists generally in journal bearings. When severe journal misalignment takes place, the minimum film thickness of journal bearings reduces greatly. In this condition, the surface roughness, the oil viscosity-pressure relationship...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011801.
Published Online: November 10, 2009
...Sy-Wei Lo; Tzu-Chun Yang; Yong-An Cian; Kuo-Cheng Huang A model for oil-in-water emulsion has been developed in this paper. A group of viscosity coefficients transiting smoothly and incessantly from the thick film region to the thin film region is defined. The contributions from disperse...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021502.
Published Online: March 20, 2008
...Yuchuan Liu; Q. Jane Wang; Ivan Krupka; Martin Hartl; Scott Bair Lubricant base oils are often blends of different molecular weight cuts to arrive at a specified ambient pressure viscosity and, to improve the temperature-viscosity behavior or to simply increase the viscosity, viscosity-modifying...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 813–819.
Published Online: June 23, 2005
... as a result of shaft bending under load is studied. The results show obvious changes at distribution and value of oil film pressure, oil film thickness and oil temperature of journal bearing due to journal misalignment. The higher the load on the shaft, the larger the journal misalignment resulted from shaft...
Journal Articles
Publisher: ASME
Article Type: Article
J. Tribol. April 2005, 127(2): 435–442.
Published Online: April 7, 2005
... of contacting surfaces and oil viscosity on EHL performance are also studied using combinations of actual and virtual contacting materials. It is found that the film thickness is hardly influenced by fluid models but is influenced very much by the atmospheric oil viscosity and the thermal conductivity...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 784–792.
Published Online: August 9, 2004
... bearing simulation models. The bearing performance is based on a comprehensive engine system dynamic analysis which couples the flexible crankshaft and block dynamics with a detailed main bearing elastohydrodynamic analysis. The clearance of all main bearings and the oil viscosity comprise the random...