.... Design/methodology/approach By building the fluid–solid coupling heat transfer simulation validated through 1:1 braking experiments, the flow patterns, ventilation performance, heat transfer characteristics and temperature distribution of three friction-block shapes (hexagon, chamfered hexagon...

...Jiahao Du; Ting Fu; Le Gu; Jiangbo Wang; Feng Zhang; Xiaolei Deng Purpose Under high-speed conditions, oil cutoff severely compromises the heat dissipation capacity of bearings, which could trigger a rapid temperature rise and pose a critical challenge to their thermal endurance. This study...

...-on-disc ( POD ) tribometer, the study assesses contact parameters such as frictional stress, contact pressure and heat flux at elevated temperatures. The goal is to understand the effectiveness of these coatings in enhancing wear resistance and reducing friction, providing insights for improving material...

... et al., 2010). This study has been investigated on a self-developed test rig at the Institute for Machine Elements, Design and Manufacturing, which has been built specifically for measuring friction performance parameters such as torque and temperature on an RSS element. It includes...

... disc brake was used. The correlation and mechanism between the three braking condition parameters of initial braking speed, braking pressure and initial braking temperature and the tribological performance were analyzed. The different artificial neural network (ANN) models of wear loss were discussed...

...Mustafa Yilmaz; Ali Önüt; Thomas Lohner; Karsten Stahl Purpose This paper aims to address the influence of lubrication methods on operational characteristics, power losses and temperature behavior of gears and bearings. It contributes to the improvement of resource and energy efficiency of geared...

... the service life, increasing the load capacity and promoting the operating stability. Findings The experimental results show that the high-speed rolling bearing test rig supported by sliding bearing could stably rotate at 70,800 rpm without installing the test bearing; the temperature of the sliding...

.... Findings The results showed that frictional heating significantly affected the residual stress distribution under large creepage conditions. As creepage increased, the temperature of the wheel tread and rail head rose and the peak value was located at the trailing edge of the contact patch. Originality...

...Biao Ma; Liang Yu; Man Chen; He Yan Li; Liang Jie Zheng Purpose This paper aims to investigate the thermal characteristics of the clutch hydraulic system under various oil flow conditions. Increasing the oil flow is one of the most important approaches to reduce the clutch temperature. However...

... is a given. The pressure increase will allow fine atomization of fuel and therefore more efficient combustion. But within the technical system of the high-pressure pump, stronger thermal stresses of the piston–cylinder contact are expected. A pressure drop from such a high level causes high temperature...

... electromagnetic field was deduced. The temperature distribution of sealing ring was calculated by the method of separation variables. Findings It has been found that the rotating ring absorbs most friction heat. The temperatures on the end faces of rotating ring and stationary ring decrease from inner radius...

... sustainable lubrication modes. The purpose of this study is to investigate the effect of process parameters, such as feed rate, depth of cut and cutting fluid flow rate, on temperature and surface roughness of the manufactured pieces during face milling of the AISI D2 steel. Design/methodology/approach...

... ratio (a ratio of the load torque to the rated torque) on speed regulating start were carried out theoretically and experimentally. Design/methodology/approach Under different torque ratio, the modified Reynolds, the thermal energy and the viscosity-temperature equations were solved simultaneously...

... and industrial equipments. Design/methodology/approach First, tribological tests were carried out with the X-DM type friction tester, and changing curves of friction coefficient and temperature were obtained. Second, a novel tribological characteristic parameter set characterizing the tribological properties...

...Laura Peña-Parás; Patricio García-Pineda; Demófilo Maldonado-Cortés; Gerardo Tadeo Garza; Jaime Taha-Tijerina Purpose The purpose of this work is to investigate the effect of temperature on the extreme-pressure (EP) properties of CuO and TiO₂ nanoparticle-filled polymeric lubricants...

...Talib Ria Jaafar; Noor Iswadi Ismail; Mohd Fauzi Ismail; Eliasidi Abu Othman Purpose This study aims to investigate the effect of different volume percentage (Vol.%) of steel fibre on the pressure, surface temperature and speed sensitivity behaviour during braking process as known brake...

...Yanzhong Wang; Wentao Niu; Yanyan Chen; Guanhua Song; Wen Tang Purpose This paper aims to provide an analytic technique for determining the convection heat transfer and temperature of oil jet lubricated spur gears. Design/methodology/approach A multiphase flow model is developed to calculate...

... in a lot of situations and was significant, and it could cause damage of screw joining and transmission. Design/methodology/approach – A heat flux model in a screw pair under high frequent oscillation along the axial direction is established. Bulk temperature field in the connected parts...

.../methodology/approach – A three-dimensional fractal rough surfaces sliding contact model has been developed, which takes into account temperature rise and distribution. The finite-element method, Green's function method, thermal conduct theory and contact mechanics are used as the solution methods...

... – Machining experiments are conducted under various parameters for both single- and dual-channel MQL. Comparison metrics include part surface temperature, spindle power consumption and hole quality. Experimental data from traditional through-tool flood coolant are provided as a baseline for spindle power...