... and pathways leading to various analyses. This flowchart represents a computational process beginning with Finite Element Analysis, directed towards inputting material parameters. It progresses to an EHL model, which determines the initial oil film thickness, followed by fluid mechanics and contact mechanics...

...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...

... to describe topography by some parameters. According to Morag and Etsion (2007) , the fractal parameters of rough surface are scale-independent and can reflect the intrinsic properties of rough surfaces. Mixed lubrication EHL Fractal theory Hydro-viscous drive clutch Hydro-viscous drive (HVD...

... Publishing Limited Licensed re-use rights only Flash temperature EHL Rolling bearing Theoretical advances have been made in the investigation of flash temperature. Liu looked into the helical gear pairs’ thermal elastohydrodynamic lubrication (TEHL) flash temperature when taking profile...

... Publishing Limited Licensed re-use rights only EHL contact is usually under an operating model where the direction of lubricant entrainment coincides with one of the Hertz contact ellipse directions. On the other hand, in some other components, the entraining velocity vector may bevel to the minor...

... only EHL Finite line contact Surface precision Roller chain The roller chain is composed of five parts: pin, bush, roller, inner chain plate and outer chain plate, as shown in Figure 1 . During the working process, the bush and pin form a sliding swing tribological pair because...

... i,o = ∑ k = 1 s q i,o ⋅ Δ L EHL Logarithmic profile Optimum design Tapered roller bearing Tapered roller bearings (TRBs) possess a high load-carrying capacity for combined axial and radial loads and may often be advantageously adopted in helicopter...

... Emerald Publishing Limited Licensed re-use rights only 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 such as the viscosity-pressure and viscosity-temperature relationship...

... 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 The heat generated...

... 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...