... for publication in the J ournal of T ribology . 21 11 2022 03 02 2023 09 02 2023 07 03 2023 nitrogen-doped graphene friction and wear high temperature lubrication mechanism mixed lubrication nano-tribology piston rings wear mechanisms National Natural Science...

...Chunxing Gu; Li Dai; Di Zhang In order to explore the influence of different acceleration and deceleration forms on the bearing performance during acceleration and deceleration, an isothermal and mixed lubrication model for journal bearings was established. In this model, the fluid mechanics...

.../13506501JET257 [45] Zhu , D. , and Hu , Y. Z. , 2001 , “ A Computer Program Package for the Prediction of EHL and Mixed Lubrication Characteristics, Friction, Subsurface Stresses and Flash Temperatures Based on Measured 3D Surface Roughness ,” Tribol. Trans. , 44 ( 3 ), pp. 383 – 390...

... formulated engine oil under boundary and mixed lubrication conditions. The friction behavior of the coated material relative to uncoated materials is compared in boundary and mixed lubrication regimes. A traction-merging rolling speed in the mixed lubrication regime is observed, at which friction coefficient...

... observed in the boundary and mixed lubrication regimes. The mean wear scar diameters exhibited positive correlations with the amplitudes of vibration accelerations. The empirical equations provide basic information for the prediction of friction variation by measuring vibration signals. Email...

...Tie-jun Li; Yan-hong Yang; Yi-min Zhang; Chun-yu Zhao The existing fractal contact model fails to solve the problem of online real-time irregular curvilinear contact under mixed lubrication conditions. In this study, a novel arbitrary curve contact model is established, considering the actual...

... 2022 mixed lubrication seals two-phase flow CFD In the subsea oil and gas industry, multiphase pumping and wet gas compression systems have met challenges to work efficiently and reliably with process streams having time-varying gas volume fractions (GVF). Note that the interval...

... on the three-dimensional (3D) tribodynamics of piston rings are limited. The tribodynamic model which couples the dynamics, mixed lubrication, and blow-by of piston-ring pack assemblies has not been found yet. Therefore, in this study, a 3D tribodynamic model of the piston-ring pack is developed considering...

... , G. N. , Zhang , D. Y. , and Chin , K. S. , 2016 , “ A Mixed Lubrication Model for Studying Tribological Behaviors of Surface Texturing ,” Tribol. Int. , 93 (Part B), pp. 583 – 592 . 10.1016/j.triboint.2015.03.027 [5] Suslin , A. , and Pilla , C. , 2017 , “ Study...

... ournal of T ribology . 01 11 2021 20 01 2022 22 01 2022 14 02 2022 scuffing temperature gears mixed lubrication Gear scuffing failure is becoming one of the major challenges in electrical vehicle (EV) drivetrain design, attributed to significantly elevated...

... in the J ournal of T ribology . 26 07 2021 29 10 2021 30 10 2021 13 01 2022 helical gear time-varying mesh stiffness mixed EHL condition tooth surface wear elastohydrodynamic lubrication mixed lubrication surface roughness and asperities surfaces tribological systems...

... lubrication. Conventional 2-body mixed lubrication is a special case of 3-body mixed lubrication analysis with particle size of zero. This study revealed that the values of real contact area, film thickness, contact mode, and the solid contact load in 3-body contact were larger than those in ideal 2-body...

... Division of ASME for publication in the J ournal of T ribology . 14 06 2021 20 08 2021 21 08 2021 20 10 2021 friction gears mixed lubrication surface roughness and asperities In recent years, concern for the global environment requires CO 2 reduction of vehicles...

...: henry.joseph@phytobokaz.fr Email: philippe.thomas@univ-antilles.fr Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 03 05 2021 28 07 2021 28 07 2021 27 08 2021 friction lubricant additives mixed lubrication solid...

... Bearings—Part III: Ball Bearing Analysis ,” ASME J. Lubr. Tech. , 101 ( 3 ), pp. 312 – 318 . 10.1115/1.3453363 [6] Bălan , M. R. D. , Houpert , L. , Tufescu , A. , and Olaru , D. N. , 2015 , “ Rolling Friction Torque in Ball-Race Contacts Operating in Mixed Lubrication...

... of carbide ceramics, promoting the hydrodynamic lubrication for carbide ceramics. B 4 C ceramic shows lower friction coefficients than those of SiC and B 4 C–SiC ceramics in boundary lubrication and mixed lubrication at 20 and 40 N. Email: cnzhangwei2008@126.com Email: xiaoyu970327@yahoo.co.jp...

... texture bearing ratio surface characterization hydrodynamic lubrication mixed lubrication scratching sliding surface properties and characterization surface treatments tribological systems Various surface technologies—milling, turning, polishing, sandblasting, and laser texturing—have...

...Shuowen Zhang; Chenhui Zhang Mixed lubrication is a major lubrication regime in the presence of surface roughness. A deterministic model is established to solve mixed lubricated point contact in this paper, using a new method to solve the asperity contact region in mixed lubrication. Treatment...

... boundary lubrication elastohydrodynamic lubrication films fluid film lubrication gears lubricants mixed lubrication tribological systems wear cooling heat transfer Modern jet engines for civil applications are characterized by high bypass ratios (BPR), high pressure ratios, and high...

...: philippe.bilas@univ-antilles.fr 24 03 2020 21 09 2020 21 09 2020 29 10 2020 dry friction fluid friction mixed lubrication solid lubricants Graphite and hexagonal boron nitride (hBN) present good lubrication properties due to their lamellar structure characterized...