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Keywords: elastohydrodynamic lubrication
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1225
Published Online: November 17, 2022
...William Hannon; Carl Hager; Robert J. Sadinski Pressure-viscosity coefficients (PVC) are used in the predictions of elastohydrodynamic lubricated (EHL) componentry. These coefficients are obtained by either viscometry or optical EHL inference. The literature indicates that each method differs...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021603.
Paper No: TRIB-22-1143
Published Online: November 4, 2022
... of T ribology . 12 04 2022 16 07 2022 23 07 2022 04 11 2022 elastohydrodynamic lubrication fluid–structure interaction cavitation asperity contact coupled computing cavitation fluid film lubrication hydrodynamic lubrication surface roughness and asperities...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021602.
Paper No: TRIB-22-1210
Published Online: October 27, 2022
... and the traction force. In order to account for the increase in temperature, traction calculations can be substituted into thermal elastohydrodynamic lubrication (EHL) equations to simultaneously calculate the oil film shape, pressure distribution, and traction force [ 12 ]. However, this method is highly...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021202.
Paper No: TRIB-21-1538
Published Online: October 27, 2022
... potential energy П c i = contact energy of i 0 contact nodes pair ω = rotor speed (rad/s) multilayer foil thrust bearing numerical model bearing load capacity structural optimization bearing design and technology contact mechanics elastohydrodynamic lubrication gas (air...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2023, 145(2): 021601.
Paper No: TRIB-22-1245
Published Online: October 26, 2022
...Jiri Krupka; Krystof Dockal; Ivan Krupka; Martin Hartl The relevance of the compliant contacts operated in elastohydrodynamic lubrication regime has increased during the last decades. Polymers and elastomers have been preferred because of their low-cost production or their tribological performance...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2023, 145(1): 011601.
Paper No: TRIB-22-1060
Published Online: September 30, 2022
... to the comprehensive design and performance of tribological components. Simple elastohydrodynamic lubrication (EHL) models require knowledge of the pressure and temperature dependence of viscosity. Inputs to lubricant film thickness calculations, such as those published by Dowson and Higginson [ 1 ], Hamrock...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2023, 145(1): 011501.
Paper No: TRIB-22-1151
Published Online: August 24, 2022
... lubrication elastohydrodynamic lubrication lubricant degradation rolling element bearings rolling fatigue surface fatigue and fretting surface roughness and asperities wear mechanisms References [1] Schatzbe , P. , and Felsen , I. M. , 1968 , “ Effects of Water and Oxygen...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111604.
Paper No: TRIB-22-1146
Published Online: July 18, 2022
... at the contact center ( ρ ¯ c = ρ c / ρ 0 ) (kg/m 3 ) Ω = spin rotation velocity (rad/s) spinning starvation film thickness elastohydrodynamic lubrication point contact experimental approach rolling element bearings References [1] Wedeven...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111601.
Paper No: TRIB-22-1061
Published Online: June 23, 2022
...Wyatt Peterson; Kushagra Singh; Farshid Sadeghi Elastohydrodynamically lubricated point contact was investigated using a two-way partitioned fluid–solid interaction (FSI) model. ansys Mechanical finite element modeling software was used to compute elastic (and plastic) deformation of the solid...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081603.
Paper No: TRIB-21-1537
Published Online: March 7, 2022
... = lubricant density (kg/m 3 ) ϕ = circumferential film coordinate (deg) Φ = attitude angle of resultant load w r (deg) ω = shaft angular rotation speed (rpm) cavitation elastohydrodynamic lubrication fluid film lubrication journal bearings machine learning neural...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081804.
Paper No: TRIB-21-1403
Published Online: February 28, 2022
...Gang Liu; Ming Li Water-lubricated rubber bearings (WLRBs) are widely used in the propulsion systems of ships and military crafts. Based on the mass conservation boundary condition, the elastohydrodynamic lubrication model of WLRBs is established after considering the elastic deformation...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081601.
Paper No: TRIB-21-1451
Published Online: February 11, 2022
... (FEA) reveals that the proposed method can reduce the calculation times by more than 98%. The paper introduces the thermoelasticity effects into thermal-elastohydrodynamic lubrication (TEHL) modeling of line contact problems. The analysis reveals that including thermoelastic deformations changes...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081602.
Paper No: TRIB-21-1508
Published Online: February 11, 2022
... elastohydrodynamic lubrication lubricants rolling element bearings In the present design of refrigeration compressors, components such as gears, bearings, and screws are cooled and lubricated by a dedicated lubrication circuit [ 1 ]. In practical applications, the compressor's lubricant needs...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071604.
Paper No: TRIB-21-1329
Published Online: February 8, 2022
... sliding ratio (LSR) gear pair whose tooth profile is constructed by a cubic function, a three-dimensional (3D) mixed elastohydrodynamic lubrication (EHL) line contact model was established with consideration of the effect of tooth profile geometry, transient motion characteristics, load distribution...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071603.
Paper No: TRIB-21-1346
Published Online: January 13, 2022
...Siyu Wang; Rupeng Zhu Based on “slice method,” the improved time-varying mesh stiffness (TVMS) calculation model of helical gear pair with tooth surface wear is proposed, in which the effect of friction force that obtained under mixed elastohydrodynamic lubrication (EHL) is considered in the model...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031604.
Paper No: TRIB-21-1304
Published Online: November 9, 2021
...@ControlsData.com Email: Martin.Yates@ControlsData.com Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 26 06 2021 07 09 2021 07 09 2021 09 11 2021 elastohydrodynamic lubrication hydrodynamic lubrication hydrostatic lubrication...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051603.
Paper No: TRIB-21-1177
Published Online: August 27, 2021
...A. Dindar; A. S. Chimanpure; A. Kahraman A tribo-dynamic model of ball bearings is proposed to predict their load-dependent (mechanical) power losses. The model combines (i) a transient, point contact mixed elastohydrodynamic lubrication (EHL) formulation to simulate the mechanics of the load...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051803.
Paper No: TRIB-21-1235
Published Online: August 5, 2021
... of aerostatic lubrication and elastohydrodynamic lubrication are used to illustrate the effectiveness of this method. This method can support the rapid analysis of fluid lubrication problems and lay the foundation for developing the lubrication calculation library. Reynolds equation sparse matrix rapid...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031603.
Paper No: TRIB-21-1164
Published Online: June 15, 2021
...Liangwei Qiu; Shuangbiao Liu; Zhijian Wang; Xiaoyang Chen Elastohydrodynamic lubrication (EHL) in point contacts can be numerically solved with various iteration methods, but so far the flow continuity of such solutions has not been explicitly verified. A series of closed regions with the same...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031602.
Paper No: TRIB-21-1096
Published Online: June 7, 2021
... lubricant supply cavitation elastohydrodynamic lubrication gears Starvation of lubricant has been frequently observed in mechanical rolling elements [ 1 – 3 ]. It plays an important role in friction [ 4 ], wear [ 5 ], scuffing failure [ 6 ], and rolling contact fatigue [ 7 , 8 ]. Utilizing...