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Keywords: lubrication
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041019.
Paper No: GTP-23-1347
Published Online: December 26, 2023
...-mail:  steven.chatterton@polimi.it e-mail:  daniele.panara@bakerhughes.com e-mail:  paolo.pennacchi@polimi.it 02 08 2023 24 08 2023 26 12 2023 tilting pad journal bearings computational fluid dynamics equilibrium position lubrication tribology thermal model Fluid film bearing...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121017.
Paper No: GTP-23-1323
Published Online: October 26, 2023
...-mail:  steven.chatterton@polimi.it e-mail:  daniele.panara@bakerhughes.com e-mail:  gabriele.turini@bakerhughes.com e-mail:  paolo.pennacchi@polimi.it 02 08 2023 24 08 2023 26 10 2023 tilting pad journal bearing artificial neural network optimization lubrication Tilting pad...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031003.
Paper No: GTP-21-1369
Published Online: December 6, 2021
.... The bearings have a bore diameter of 60 mm and 90 mm, respectively. Jet and under-race lubrication techniques have been used to supply oil to the bearings under test. The custom-made aero-engine test bearing features special channels to allow under-race lubrication of the rollers/races contacts as well...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032802.
Published Online: January 4, 2012
...S. Adnan Qasim; M. Afzaal Malik; M. Ali Khan; R. A. Mufti A fully established elastohydrodynamic lubricating (EHL) film between the piston and the liner surfaces during normal engine operation minimizes piston slap and prevents adhesive wear. Wear cannot be prevented in the initial engine start up...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082504.
Published Online: April 8, 2011
...J. Aidarinis; D. Missirlis; K. Yakinthos; A. Goulas The continuous development of aero engines toward lighter but yet more compact designs, without decreasing their efficiency, has led to gradually increasing demands on the lubrication system, such as the bearing chambers of an aero engine...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2010, 132(3): 032805.
Published Online: November 30, 2009
...Moussa Diaby; Michel Sablier; Anthony Le Negrate; Mehdi El Fassi On the basis of ongoing research conducted on the clarification of processes responsible for lubricant degradation in the environment of piston grooves in exhaust gas recirculation (EGR) diesel engines, an experimental investigation...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. May 2009, 131(3): 034503.
Published Online: February 10, 2009
...Yaguo Lu; Zhenxia Liu; Shengqin Huang; Tao Xu A software, general analysis software of aero-engine lubrication system ( GASLS ), for simulating aero-engine lubrication system is presented. The software is capable of analyzing the flow, pressure, and temperature distribution in the lubrication...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2008, 130(6): 062501.
Published Online: August 21, 2008
...Manish Kumar; Daejong Kim Airfoil bearings offer many advantages over oil-lubricated bearings, but they have reliability issues during start∕stops (wear) and limited heat dissipation capability. To address these issues, a hybrid airfoil bearing (HAFB) combining hydrodynamic airfoil bearing...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 634–643.
Published Online: June 13, 2006
... with a relatively small expenditure of supply gas 12 . Lund 13 14 advances the first approximate analysis and results for hybrid (hydrostatic/hydrodynamic) gas bearings. Piekos 15 16 presents a simulation model and design charts for the application of gas-lubricated journal bearings to Microelectromechanical...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2006, 128(1): 178–182.
Published Online: May 1, 2005
... to carry out a survey aiming to reduce power losses in bearing chambers. The test bearing was a 124 mm PCD ball bearing with a split inner ring employing under-race lubrication by two individual jets. The survey was carried out in two parts. In the first part, the investigations were focused on the impact...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2005, 127(1): 197–205.
Published Online: February 9, 2005
... by the ASME Headquarters March 12, 2004. Associate Editor: D. Assanis. 20 January 2003 12 March 2004 09 02 2005 engines ball bearings friction lubrication thermal properties heat transfer mechanical contact rotation The study reported here is concerned with friction...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2004, 126(4): 848–854.
Published Online: November 24, 2004
...Ilmar F. Santos; Rodrigo Nicoletti; Alexandre Scalabrin In this paper the complete set of modified Reynolds’ equations for the active lubrication is presented. The solution of such a set of equations allows the determination of stiffness and damping coefficients of actively lubricated bearings...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2003, 125(4): 1003–1010.
Published Online: November 18, 2003
... processes at rotating radial holes (Glahn, A. et al., 2001, “Disintegration of Oil Films Emerging From Radial Holes Inside a Cylinder,” ASME Paper No. 2001-GT-0202) and has used the same approaches in simulating one of the droplet generation sources in aeroengine lubrication systems. Both papers aim...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2003, 125(4): 1081–1089.
Published Online: November 18, 2003
... of an axial bore profile on radial dynamics of a ring is investigated. Radial ring motions within grooves due to the axial bore profile can generate significant inertial effects and also have an impact on ring end-gap sizes and lubrication conditions at the ring-liner interfaces. The magnitude of such effects...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 820–826.
Published Online: August 15, 2003
... similar engines were operated using optimum biodiesel blend and mineral diesel oil, respectively. These were subjected to long-term endurance tests. Lubricating oil samples drawn from both engines after a fixed interval were subjected to elemental analysis. Quantification of various metal debris...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2003, 125(2): 596–603.
Published Online: April 29, 2003
... engines lubrication liquid films size effect high-temperature effects temperature distribution heat transfer viscosity One method utilized to promote energy savings in internal combustion engines is to reduce the power loss caused by mechanical friction on lubricated surfaces of engines...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 95–101.
Published Online: December 27, 2002
... . Hoffman , J. G. , 1979 , “ Crankcase Lubricants for Four-Cycle Railroad and Marine Diesel Engines ,” Lubr. Eng. , 35 , pp. 189 – 197 . Pratt , T. N. , et al. , 1981 , “ HVI and MVI Locomotive Diesel Engine Oil—Open Forum ,” Lubr. Eng. , 37 , pp. 577 – 591 . Brockett , T. S...