... fluids Metalworking Performance comparison Lubrication performance National Natural Science Foundation of China 52275183 Anhui Provincial Natural Science Foundation for Distinguished Young Scholars Type A 2508085J030 Anhui Province Key Laboratory of Critical Friction Pair...

...Jianying Li; Yongyuan Zha; Hailong Yang; Haoyang Gao; Wanting Chen Purpose This study aims to enhance the lubrication performance and operational reliability of axial piston pumps by investigating the influence of elliptical microtexture arrays on the oil film characteristics of slipper pairs...

...Xiaodong Yu; Guangqiang Shi; Weicheng Gao; Xinyi Yang Purpose The lubrication performance of static and dynamic pressure thrust bearings is improved by introducing texture on the sealing edge. Design/methodology/approach Through model building, meshing and boundary condition setting...

... Publishing Limited Licensed re-use rights only Numerical study MHD journal bearings Couple stress lubricant Lubrication performance Elastohydrodynamics Morocco CNRST (National Center for Scientific & Technical Research) through the excellence scholarship for searching program...

...Lili Wang; Wei Zhang; Xingtang Zhao; Xue Ge Purpose Researchers have not reached an agreement on which biomimetic shape has the best lubrication performance. This paper aims to study the influence of microtexture size, shape and direction on bearing capacity, end leakage, friction coefficient...

...-groove geometric parameters on the coupling’s lubrication performance. Further, Kriging approximate model and neighborhood cultivation genetic algorithm (NCGA) were used to optimise the micro-groove geometric parameters and improve the coupling’s lubrication performance. Findings The results show...

...Junjie Lu Purpose The purpose of this paper is to analyze and improve the lubrication performance of a floating cylindrical seal by investigating micro spiral groove. Design/methodology/approach The lubrication model of is solved by finite difference, considering the influence of convergence...

... porous bearing was established in polar coordinates. The digital filtering technique and Darcy’s law were used to simulate the rough surface and the percolation characteristic of the oil bearing, respectively. The influence of the structural parameters on the lubrication performance was analyzed...

... surface model. Originality/value The friction pair with curved transition enables better lubrication performance of the liquid film and better adaptability under unstable conditions. © Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only Vanliem Nguyen...

...Zhenpeng Wu; Xianzhong Ding; Liangcai Zeng; Xiaolan Chen; Kuisheng Chen Purpose This paper aims to use the method of curve splicing to combine the slip zone and the no-slip zone to further improve the lubrication performance of the liquid film. The combination of the slip zone and the no-slip zone...

... is conducive to increasing the film hardness. Coating Lubrication performance Vacuum Adhesive wear Solid lubrication Experimental advanced superconducting tokamak (EAST) is the first fully superconducting tokamak fusion experimental device, which is built in China (Yuanxi et al...

... of mixed lubrication show that reasonable round corner modification, increase in temperature and speed, decrease of surface roughness and lubricant types can improve the lubrication performance. Originality/value The mixed lubrication analysis model is established to study the influences of contact...

... mechanical equipments. The main factor which affects the machining quality and efficiency of heavy CNC vertical lathe is the mechanical properties of the hydrostatic thrust bearing. Design/methodology/approach This paper did the research based on the large size sector oil pad’s lubrication performance...

...Xibing Li; Tian Cheng; Ming Li; Mingjian Li; Ruren Wu; Yingsi Wan Purpose This paper aims to research the lubrication performance of large-size rectangular oil pad in hydrostatic thrust bearing for heavy computer numerical control (CNC) vertical lathe. Design/methodology/approach The research...