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Keywords: turbines
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Journal Articles
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031801.
Published Online: June 23, 2008
... investigations on the tribological properties of lubricating oils with and without nanoferromagnetic particles have been performed. This work investigates the tribological properties of Mn 0.78 Zn 0.22 Fe 2 O 4 nanoferromagnetic as additive in 46 # turbine oil using a four-ball friction and wear tester...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021103.
Published Online: April 25, 2008
... bench and some preliminary experimental results. A rotor of 1 kg mass and 37 mm diameter is rotated up to 75,000 rpm by an air turbine machined on the rotor. Capacitance probes, placed in two radial planes, allow orbit scanning of both the rotor and the bushing at different rotating speeds and suitable...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2004, 126(1): 200–207.
Published Online: January 13, 2004
... wear resistant coatings lubrication wear friction foils machine bearings turbines plasma arc sprayed coatings composite materials polymers ceramics Contributed by the Tribology Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for presentation at the STLE/ASME Joint...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2003, 125(2): 325–333.
Published Online: March 19, 2003
... bearings turbines damping lubrication cavitation Squeeze film dampers (SFDs) provide force isolation and energy dissipation in high-speed turbomachinery. SFD design, however, remains empirical at best since predictive models derived from Classical Lubrication do not account for the effects...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2003, 125(2): 414–421.
Published Online: March 19, 2003
.... 27 October 2002 14 February 2002 02 July 2002 19 03 2003 seals (stoppers) mechanical contact sliding friction turbines rotors fibres bending stress analysis Recently, engineers that are engaged in the design of turbomachinery for propulsion and electrical power...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2001, 123(1): 144–150.
Published Online: August 1, 2000
... of preload effects of a segment type vertical guide bearing on the bearing metal temperature and the shaft vibration, in a hydraulic pump-turbine. Investigations have been performed not only by in-situ measurement but also by theoretical analysis. A guide bearing consists of eight pads and runs bi...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2000, 122(3): 622–627.
Published Online: July 15, 1999
... OF TRIBOLOGY . Manuscript received by the Tribology Division March 4, 1999; revised manuscript received July 15, 1999. Associate Technical Editor: L. San Andre´s. 04 March 1999 15 July 1999 friction turbines machine testing Mach number loss measurement gases testing The main...