... the model by simulating infinite width sliding bearing. In the mesh independence validation, the model dimensionless pressure values converge to a stable value at 40,583 mesh numbers with an error value of 0.22%. A validation comparison was made with the reference model of infinite width sliding bearing...

... Friction brake tester was used to simulate the wear test of high-speed railway braking materials at diverse braking speeds (2,100, 2,400, 2,700 and 3,000 rad/min) at –20 °C and the stress and temperature analyses of brake disc friction surface were carried out by COMSOL. Findings Compared with 20°C...

... on the tribological properties of PTFE sliding against Cu was studied by molecular dynamics (MD) simulations to explore the inherent mechanisms from an atomic level. Findings SiO₂ had a higher interaction energy with PTFE than copper, which contributed to an increase of interfacial temperature...

...Ye Hong; Yimin Mo; Jun Wang; Xiangkui Kong; Qingchun Liu Purpose This paper aims to investigate the effects of low-viscosity and ultralow-viscosity engine oils on the comprehensive friction and fuel economy of turbocharged gasoline direct injection (TGDI) through simulation analysis...

.../methodology/approach The flow field inside reducer at five working conditions: straight, uphill, downhill, left lean and right lean is simulated by smoothed particle hydrodynamics (SPH). According to the instantaneous number of particles through bearings, the lubrication states of bearings are evaluated...

... gradients due to energy dissipation. Design/methodology/approach For a detailed examination, the critical piston–cylinder contact has been investigated in an abstracted test bench with a flat parallel gap and an equivalent thermo-elastohydrodynamic simulation model. Findings The simulation results...

.... Methodology By using the SIMPACK and MATLAB software, numerical simulation analysis of metro wheel wear is carried out based on Hertz theory, the FASTSIM algorithm and the Archard model. First of all, the vehicle dynamics model is established to calculate the motion relationship and external forces of wheel...

... of surface roughness. The finite difference method and the Gauss‐Seidel iteration method are used to solve the transient modified Reynolds equation, the elasticity deformation equation, load balance equation, and lubricant rheology equations simultaneously. Findings The simulation results reveal...

... of billet quality on the extrusion die service life, based on using microstructural and finite element analyses. Design/methodology/approach Numerical solution of stress distribution in extrusion die using microstructural and finite element analyses. Findings Simulation results demonstrate...

...T.D. Lavanya; V.E. Annamalai Purpose The purpose of this paper is to simplify the testing of coolants for grinding in the automotive industry. Design/methodology/approach A simple equipment is developed to test the coolant, by simulating the coolant‐grinding wheel‐workpiece interface...

... of the authors, since they exhibit a high‐temperature (Woydt, 2000) dry running ability up to 800°C without adhesive failure. Coatings Lubrication Simulation Friction Wear New and upcoming more stringent regulations for environmental protection (Directive 1999/45/EC, 1999 ; Oil Pollution...

... It is clarified that the grinding process by coated abrasives (that is, the behavior of ground material) can be simulated by this abrasive wear experiment. Etsuo Marui can be contacted at: marui@cc.gifu‐u.ac.jp © Emerald Group Publishing Limited 2007 Abrasives made of hard mineral grains...

...Andrzej Kaźmierczak A computer simulation which as model loads uses program KIVA 3 for combustion engine work process (combustion chamber heat flux, pressure and temperature) computations has been developed. It makes it possible to compute the pressure and temperature distributions and the motion...

... © MCB UP Limited 2002 --> Rheology Software Simulation New rheology process simulation software Keywords: Rheology, Software, Simulation Bohlin Instruments is one of the leading suppliers of rotational and capillary rheometers for a wide range of applications...

... calculational simulation methods. It is concluded that various modern mathematical models used to determine journal bearing properties lead to similar results and support further investigations via the calculational code developed by the author on rough and wavy journal bearing tribosystems for determining...

...Mircea Terheci Attempts to reveal some of the factors that might cause measurement and evaluation errors in dry sliding. Discusses matters such us “what” and “how” is simulated and “why” and “what” is really measured and suggests ways to tackle these matters. Presents means of avoiding measurement...