.... Design/methodology/approach In this study, by adopting the finite element method based on the Reynolds equation and taking into account the influence of contact pressure during the operation of journal bearings, the lubrication characteristics of engine main shaft journal bearings under the working...

...Ke Li; Haodong Shen; Chen Du; Dan Jia; Tobias Amann; Chengqing Yuan Purpose Porous journal bearings (PJBs) can exhibit self-lubricating behavior during operation; however, their relatively high friction and temperature rise place higher demands on the lubricants used. Therefore, the present study...

...Kang Yan; Hulin Li; Ning Ding; Dan Jiang; Xianghui Meng Purpose Friction and wear are very important factors in predicting the performance of journal bearings, particularly under heavy load in start-up processes. However, there are few relevant studies on the numerical model. This study aims...

... used to study hydrodynamic journal bearings in ICEs. The most used method for the slider-crank-mechanism is to treat the dynamics and the hydrodynamic bearings separately (Ausas et al., 2007 , 2009 ; Profito and Zachariadis, 2015). From the combustion pressure distribution, the reaction...

...Lei Yin; Xiaolin Zheng; Dongxing Tang; Yanfeng Han; Rui Zhao; Yi Chen Purpose This study aims to develop a new method to treat the numerical singularity at the critical nodes of two skew coordinates, and optimize the leakage of micro herringbone grooved journal bearings (MHGJBs) with this method...

... is available at: https://publons.com/publon/10.1108/ILT-10-2019-0447/ Water-lubricated bearing Tribological behavior Mixed lubrication Journal bearings The test rig used for testing the tribological performance of water-lubricated bearings is shown in Figure 1 . The test rig is driven...

... elastic deformation of the contact surfaces, which influences the lubrication. In this case, the elastohydrodynamic lubrication regime (EHL) occurs. Considering EHL in journal bearings, the nodal displacements can be calculated from the direct relation of the compliance matrix and the nodal force vector...

...Ahmed M. Saleh; Wael Crosby; Ibrahim M. El Fahham; M. Elhadary Purpose The purpose of this paper is to study the effect of liner surface texture on journal bearing performance. Modeling the profile curvature of the dimples or grooves is planned for different cases of texture surface under thermo...

... capacity of journal bearings. Design/methodology/approach A principal normal stress cavitation criterion based on the stress applied to flowing lubricant in journal bearings is developed and used to investigate SC in journal bearings. A computational fluid dynamic (CFD) model for calculating...

...Yazhou Mao; Yang Jianxi; Xu Wenjing; Liu Yonggang Purpose The purpose of this paper is to investigate the effect of round pits arrangement patterns on tribological properties of journal bearing. In this paper, the tribological behaviors of journal bearing with different arrangement patterns under...

...Subrata Das; Sisir Kumar Guha Purpose The purpose of this paper is to investigate the effect of turbulence on the stability characteristics of finite hydrodynamic journal bearing lubricated with micropolar fluid. Design/methodology/approach The non-dimensional transient Reynolds equation has...

... fretting wear on journal bearings. Design/methodology/approach This study included the manufacturing and operating principles of the test rig. In the test rig, the shaft was fixed and vibrational motion was given to the bearing housing. Vibration motion the amplitude of which could be adjusted was used...

...Bin Huang; Le-qin Wang; Jia Guo Purpose – The purpose of this paper is to study the different performance of circular, two-lobe and elliptical journal bearings by TEHD analysis. Design/methodology/approach – A complete 3D TEHD model of journal bearings is set up and applied to the lubricant...

... have been used where out-of-roundness was found to be the most reliable method of measuring small wear quantities in journal bearings. This technique was further developed to achieve higher accuracy in measuring small wear quantities. The method proved to be reliable as well as inexpensive. The paper...

...Bekir Sadık Ünlü; Hülya Durmuş; Cevdet Meriç Purpose It is important to know the friction coefficient and wear loss for determination of tribological conditions at journal bearings. Tribological events that influence wear and its variations affect experimental results. The purpose of this paper...

... with infrared thermometer. Tests were done in 22°C and in a 50 per cent relative humidity. Tribology Wear Journal bearings Aluminium‐based alloys Dry friction Alloys Mostly copper‐, aluminium‐, zinc‐, lead‐ and tin‐based alloys are used in journal bearings. Recently, aluminium can...