... linear seal can be accurately studied. At present, the mainstream methods of fluid-solid-thermal coupling research on seals are mainly the inverse hydrodynamic lubrication (IHL) theory proposed by Kanters et al. (1990) and the elasto-hydrodynamic lubrication (EHL) theory proposed by Salant...

...Wenguang Zhou; Rupeng Zhu; Fengxia Lu; Wenzheng Liu; Jingjing Wang Purpose This study aims to research the time-varying mesh stiffness (TVMS) model for orthogonal face gear drives considering elastohydrodynamic lubrication (EHL) and provide a theoretical basis for understanding the dynamic...

..., the optimization of friction characteristics at the elastohydrodynamic lubrication (EHL) interface has attracted the attention of scholars. Laser surface texturing is a feasible optimization solution, but there have been concerns about whether the surface texture of high-pair parts will affect their fatigue life...

... Zeng is the corresponding author and can be contacted at: q.zeng@cqu.edu.cn 17 08 2023 18 10 2023 10 11 2023 12 11 2023 20 11 2023 © Emerald Publishing Limited 2023 Emerald Publishing Limited Licensed re-use rights only Mixed lubrication EHL Fractal theory...

..., C₃ = 0.00065 K⁻¹. The solution domain for the energy equation and solid heat conduction equation are shown in Figure 1 , including solid 1, solid 2 and lubricants. Flash temperature EHL Rolling bearing The present work used a rolling contact lubrication model to analyze...

... is first revealed, which improves a good understanding of elastohydrodynamic lubrication characteristics. For the EHL of point contact with arbitrary entrainment angle, the film pressure considering the boundary slip effect can be modified on the basis of generalized Reynolds equation (Peiran and Shizhu...

... only Figure 3 Schematic diagram of the experimental device EHL Finite line contact Surface precision Roller chain During the experiment, the ambient temperature was controlled at 24 ± 0.5°C, and the ambient humidity was 60% ± 5. The theoretical values of maximum Hertzian...

... 2021 29 03 2021 © Emerald Publishing Limited 2021 Emerald Publishing Limited Licensed re-use rights only EHL Logarithmic profile Optimum design Tapered roller bearing Tapered roller bearings (TRBs) possess a high load-carrying capacity for combined axial and radial loads...

.... Figure 2 The interference images and comparison of film thickness between experimental and predicted result Point contact Film thickness EHL Polymer Shear thinning Polymer usually as an additive is added into base oil to improves the various properties of base oil...

... 2020 23 11 2020 30 11 2020 06 12 2020 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only Diamond-like carbon (DLC) Coating EHL Gears Bulk temperature Friction reduction DLC coating Thermal network In recent...

... elastohydrodynamic lubrication (EHL) model is built using a Ree–Eyring fluid. The contact between the plate and the pin is simplified as a narrow finite line contact, and the lubrication state is examined by varying the geometry and the plate speed. Findings With increase in the equivalent radius of curvature...

... lubrication (EHL) model for finite line contact. Concretely, the effects of the equivalent curvature radius of the bush and the pin, and the length of the bush are investigated. Design/methodology/approach In this paper, the contact between the bush and pin is simplified as finite line contact...

...Jiaxing Pei; Xu Han; Yourui Tao Purpose The purpose of this paper is to propose an simple and efficient stiffness model for line contact under elastohydrodynamic lubrication (EHL) and to investigate the gear meshing stiffness by the proposed model. Design/methodology/approach The method...

...Mingyu Zhang; Jing Wang; Yi Liu; Longjie Dai; Zhaohua Shang Purpose The purpose of this paper is to use elastohydrodynamic lubrication (EHL) theory to study the variation of the equivalent curvature radius “R” on the change of oil film thickness, pressure, temperature rise and friction...

...Yuyan Zhang; Xiaoliang Yan; Xiaoqing Zhang; Juan Li; Fengna Cheng Purpose This paper aims to investigate the effects of inhomogeneities on the rolling contact fatigue (RCF) life in elastohydrodynamically lubricated (EHL) point contacts. Design/methodology/approach A numerical model...

...-lubrication mechanism is well described in lightly loaded conformal contacts such as journal bearings; however, only a little has been published about the application to highly loaded contacts under elastohydrodynamic lubrication regime (EHL). Design/methodology/approach Thin film colorimetric...

...Hui Zhang; Guangneng Dong; Guozhong Dong Purpose The main purpose of this paper is to present the effort on developing a mixed elastohydrodynamic lubrication (EHL) model to study the tribological effect of asperities on rough surface. Design/methodology/approach The model, with the use...

... optical elastohydrodynamic (EHL) test rig is constructed to investigate the influences of lubricant properties on film thickness and lubrication conditions at different working conditions. The film thickness is calculated according to the relative light intensity principle. The degree of starvation...

... with radial type roughness, followed by smooth, and then circular type roughness. Originality/value A numerical method for general applications with surface roughness was developed to investigate the pure squeeze action in an isothermal EHL spherical conjunction under constant load conditions, but without...