Results 91 to 100 of about 705 (209)

A theoretical simulation of thermal elastohydrodynamic lubrication for a Newtonian fluid in impact motion

, 2013
International audienceIn this work, the thermal elastohydrodynamic lubrication (TEHL) in an impact motion is explored using multigrid (MG) method and column by column scanning techniques.
Lubrecht, Antonius, peiran, yang, Wang, Jing, Wang, Na, kaneta, moto   +4 more
core   +1 more source

Effect of the operating temperature on thermal EHL performance of steel-POM gears

Jixie chuandong
ObjectiveThe temperature significantly influences the elastic modulus of polymer gears, which consequently affects their elastohydrodynamic lubrication performance.
ZHOU Jia’ao, LIU Xiaoling, ZHANG Zheng, LI Qun   +3 more
doaj  

Effects of roller profile on grease lubrication and fatigue properties of RV reducer crankshaft

Engineering Applications of Computational Fluid Mechanics
Due to the prolonged operation of Rotate Vector (RV) reducers under harsh low-speed and heavy-load conditions, the crankshaft as its core transmission component is prone to fatigue failure.
Jianqi Guan, Zehua Han, Zhaoliang Cui, Yunfei Cai, Shengrong Chen, Rui Li, Xianghui Meng   +6 more
doaj   +1 more source

On the Theory of Thermal Elastohydrodynamic Lubrication at High Slide-Roll Ratios—Line Contact Solution

, 2000
Complete numerical solutions are obtained for the steady-state line contact thermal elastohydrodynamic lubrication (TEHL) problems. The contact surfaces are arranged to run in opposite directions.
Peiran Yang, Qiuying Chang, Shiyue Qu, Feng Guo   +3 more
core   +1 more source

A New Method for Eyring Shear-Thinning Models in Elliptical Contacts Thermal Elastohydrodynamic Lubrication

, 2018
A new method for solving the shear stress and the effective viscosity of Eyring shear-thinning fluid in thermal elastohydrodynamic lubrication (EHL) was proposed and applied to two models. Model 1 is the thermal EHL model with one-direction velocity, and
Mingming Ma, Peiran Yang, Xiaoling Liu, Feng Guo   +3 more
core   +1 more source

Effect of Thermal Properties of a Coated Elastohydrodynamic Lubrication Line Contact Under Various Slide-to-Roll Ratios

, 2017
A numerical thermal elastohydrodynamic lubrication (EHL) model is developed for coated line contacts by considering both the mechanical properties and the thermal properties of the coating and the substrate. The temperature fields within the oil film and
Zhanjiang Wang, Huaiju Liu, Caichao Zhu, Zonglin Gu, Jinyuan Tang   +4 more
core   +1 more source

Analysis of Gear System Dynamics Based on Thermal Elastohydrodynamic Lubrication Effects

Lubricants
Lubrication plays a crucial role in reducing gear surface damage and defects such as pitting, wear, and scuffing; therefore, analyzing the influence of lubrication is essential for preventing such failures in gear transmission systems.
Zhaoxia He, Xiangjun Wang, Yinan Li, Yunfei Yang   +3 more
doaj   +1 more source

Oil Film Damping Analysis in Non-Newtonian Transient Thermal Elastohydrodynamic Lubrication for Gear Transmission

, 2018
The models of normal and tangential oil film damping are established by modeling the viscous-elastic fluid as massless damping elements. The central pressure and film thickness distributions, friction coefficient, and maximum temperature rise with or ...
Changjiang Zhou, Zuodong Li, Xi Shi, Zeliang Xiao   +3 more
core   +1 more source

An Advanced Approach for the Analysis of the Rotor Dynamics of a Ball Bearing Turbocharger

Engineering Proceedings
Turbochargers operate under highly transient conditions, which impose significant mechanical and thermal loads on their rotating components. When supported by ball bearings combined with squeeze film dampers, the rotor system exhibits complex nonlinear ...
Pavel Novotný, Jiří Vacula, František Kocman, Antonín Krmíček   +3 more
doaj   +1 more source

NON-NEWTONIAN AND THERMAL ELASTOHYDRODYNAMIC ANALYSIS OF THE TRACTION FLUID SANTROTAC 30

, 2006
A thermal and non-Newtonian fluid model under elastohydrodynamic lubrication ...

core