Results 91 to 100 of about 377 (140)

A quantitative analysis of double-sided surface waviness on TEHL line contacts

Tribology International, 2023
In this paper, the effects of double-sided surface waviness on Thermo-Elastohydrodynamic Lubrication (TEHL) in line contacts are investigated deterministically through numerical simulations. The effects of surface amplitude, wavelength, relative position, and slide-to-roll ratio have been studied.
Dieter Fauconnier, Joris Degroote, Peyman Havaej   +2 more
exaly   +4 more sources

Thermo-mechanical response of TEHL contacts under dynamic loading conditions

Tribology International
A CFD-FSI approach is employed to investigate the thermo-mechanical response of TEHL contacts to time- varying loading conditions. The response to an impact load, with increment Delta f over time Delta t, and taking into account the equivalent system mass m, on film thickness, pressure and temperature variations, is being investigated.
Dieter Fauconnier, Joris Degroote, Peyman Havaej   +2 more
exaly   +5 more sources

TEHL analysis of high-speed and heavy-load roller bearing with quasi-dynamic characteristics [PDF]

Chinese Journal of Aeronautics, 2015
AbstractIn this paper, the aero-engine mainshaft roller bearing D1842926 under typical operating conditions is taken as a case study, a new integrated numerical algorithm of quasi-dynamics and thermal elastohydrodynamic lubrication (TEHL) is put forward, which can complete the bearing lubricated analysis from global dynamic performance to local TEHL ...
Liqin Wang, Xiu Jiang Shi
exaly   +3 more sources

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TEHL simulation on the influence of lubricants on load-dependent gear losses

Tribology International, 2017
Abstract A transient TEHL simulation model based on a finite element formulation and implemented in multiphysics software is applied to study the TEHL contact along the path of contact of spur gears with a focus on load-dependent gear loss of different lubricants. Lubricant properties including the limiting shear stress are based on measurement data.
Karsten Stahl, Thomas Lohner
exaly   +2 more sources

Formation of Steady Dimples in Point TEHL Contacts

Journal of Tribology, 2000
Experimental results of steady dimples measured in elliptical glass-steel contact under pure sliding conditions are presented. It is found that two dimples connected with a shallower furrow are generated, each near an end of the major radius of the contact ellipse. The complete solution of the corresponding thermal elastohydrodynamic lubrication (TEHL)
P. Yang, S. Qu, M. Kaneta, H. Nishikawa
openaire   +2 more sources