Results 11 to 20 of about 1,124,322 (266)

Dependency of Contact Angles on Three-Phase Contact Line: A Review

Colloids and Interfaces, 2021
The wetted area of a sessile droplet on a practical substrate is limited by the three-phase contact line and characterized by contact angle, contact radius and drop height.
H. Yildirim Erbil
doaj   +3 more sources

Elastohydrodynamic Analysis of Grease Lubrication for Cycloid Pin Wheel Transmission of RV Reducer [PDF]

Zhengzhou Daxue xuebao. Gongxue ban, 2022
According to the geometry and kinematics theory of the cycloid pin wheel of the RV reducer, the equivalent radius of curvature, entrainment speed and load per unit length of the cycloid pin wheel transmission at different meshing positions were ...
CHEN Jiangyi, SHI Wenhua, QIN Dongchen, WANG Yingjia   +3 more
doaj   +1 more source

The Tribological Behavior of Cast Iron by Laser Surface Texturing under Oil-Lubricated Initial Line Contact for Rotary Compressor

Lubricants, 2023
The tribological behaviors of cast iron by laser surface texturing were experimentally compared with the behavior of untextured by unidirectional rotary sliding friction and wear tests under oil-lubricated initial line contact.
Shaopeng Ding, Yusheng Hu, Huijun Wei, Di Mu, Xiangzhi Zhan, Jun Wang, Ouxiang Yang, Jia Xu   +7 more
doaj   +1 more source

EFFECTS OF DESIGN PARAMETERS ON STATIC EQUIVALENT STRESS OF RADIAL ROLLING BEARINGS

Acta Polytechnica, 2021
The aim of this study is to theoretically investigate the effects of design parameters on the static equivalent stress of radial rolling bearings, such as the point contact case for ball bearings and line contact case for roller bearings.
Mehmet Bozca
doaj   +1 more source

Modeling and Fault Size Estimation for Non-Penetrating Damage in the Outer Raceway of Tapered Roller Bearing

Machines, 2022
The fault quantification of a tapered roller bearing (TRB) can provide a reliable guide for predictive maintenance. Currently, damage size estimation based on vibration signals has been proposed and developed.
Wei Kang, Yongsheng Zhu, Ke Yan, Yuwei Liu, Dawei Gao, Zhijun Ren   +5 more
doaj   +1 more source

On the Stiffness and Damping Characteristics of Line Contacts under Transient Elastohydrodynamic Lubrication

Lubricants, 2022
The elastohydrodynamic lubrication (EHL) oil film between contact interfaces acts as a spring or damper to reduce wear and vibration for frictional pairs.
Congcong Fang, Anyuan Zhu, Wei Zhou, Yongdong Peng, Xianghui Meng   +4 more
doaj   +1 more source

Lubrication Film Generation with Limited Lubricant Supply and Its Tuned Oil Replenishment in a Cylinder-on-Disc Contact

Lubricants, 2023
Limited lubricant supply (LLS) with tuned dosage is an emerging approach to reduce friction and energy consumption. However, LLS can cause severe starvation when the oil supply is insufficient.
Wei Jin, Feng Guo, Shuyi Li, Zhaogang Jing, Pat Lam Wong   +4 more
doaj   +1 more source

Prediction of Contact and Lubrication Characteristics of Micro-textured Surface Under Thermal Line Contact EHL

Frontiers in Mechanical Engineering, 2021
In this study, a method combining numerical surface generation technology and three-dimensional hot-line contact EHL is employed to evaluate the contact characteristics of micro-textured surfaces under high-load line contact.
Jiang Zhao, Jiang Zhao, Zhengminqing Li, Zhengminqing Li, Hong Zhang, Hong Zhang, Rupeng Zhu, Rupeng Zhu   +7 more
doaj   +1 more source

Mode Bifurcation on Contact Line Dynamics at Oil/Water Interface Depending on the Contact Line Length

Frontiers in Chemistry, 2021
The motion of the contact line at the oil/water interface caused by chemical reactions is well known as a typical example of artificial active matter in the field of nonlinear science.
Daigo Yamamoto, Jumpei Maeno, Yuki Manabe, Yasunao Okamoto, Erika Nawa-Okita, Akihisa Shioi   +5 more
doaj   +1 more source

Influence of MHD Lubrication and Textured Surface in EHL Line Contact

Frontiers in Mechanical Engineering, 2019
The present numerical study investigates the combined effect of micro-texture and magneto hydrodynamic lubrication behavior on the performance of elastohydrodynamic lubrication (EHL) line contact.
Suresh Jadhav, Gananath D. Thakre, Satish C. Sharma   +2 more
doaj   +1 more source