Results 1 to 10 of about 11,516,712 (289)

Synergistic Effect of Polyaspartate and Polyethylene Glycol on Lubrication Performance of the Water-Based Drilling Mud. [PDF]

ACS Omega, 2021
The poor lubrication performance of water-based drilling mud hinders its application in the drilling process of extended, reach horizontal wells. To overcome this shortcoming, polyaspartate (PA) and poly(ethylene glycol) (PEG) were used to improve the ...
Qin G, Xu M, He M, Chen K.
europepmc   +2 more sources

Study on elastohydrodynamic lubrication performance of double-layer composite water-lubricated bearings

Mechanics & Industry, 2023
Double-layer composite water-lubricated bearing is a new type of water-lubricated bearing which can integrate the good damping performance of low elastic under-layer bush and good tribological performance of plastic layer bush.
Yang Zhen, Zhang Xiuli, Wang Yanzhen, Zhao Yuanliang   +3 more
doaj   +2 more sources

Lubrication Performance Promotion of GTL Base Oil by BN Nanosheets via Cascade Centrifugation-Assisted Liquid-Phase Exfoliation

Lubricants
Broad lateral size and thickness distributions impede the application of hexagonal boron nitride nanosheets (BNNSs) as friction modifiers in base oil, although they possess remarkable potential for lubrication performance promotion.
Jiashun Liu, Shuo Xiang, Xiaoyu Zhou, Shigang Lin, Kehong Dong, Yiwei Liu, Donghai He, Yunhong Fan, Yuehao Liu, Bingxue Xiong, Kai Ma, Kaiyang Xiao, Genmao Luo, Qinhui Zhang, Xin Yang   +14 more
doaj   +2 more sources

Study on the influence of tooth surface wear on the lubrication performance of double involute gear transmission [PDF]

Scientific Reports
In order to improve the lubrication performance and reduce tooth surface wear (TSW) of double involute gears (DIGs), this study comprehensively considers the mutual influence relationship between tooth surface wear, gear pair meshing characteristics, and
Zhaoming Yin, Hongwei Wang, Xi Fu, Zhimin Fan, Qiuyan Ma   +4 more
doaj   +2 more sources

Solid lubrication performance of hybrid Ti3C2T /MoS2 coatings

Carbon
Abstract MXenes have gained notable attention in tribology due to their excellent wear resistance based on the formation of beneficial tribofilms. However, studies using MXenes as solid lubricants have mainly focused on multi-layer Ti3C2Tx coatings, while little is known about the tribological performance of MXene composites.
G. Boidi, Dario F. Zambrano, Sabine Schwarz, E. Marquis, Markus Varga, M. R. Ripoll, Ewald Badisch, M. C. Righi, Carsten Gachot, Philipp G. Grtzmacher, Andreas Rosenkranz   +10 more
semanticscholar   +3 more sources

Simulation and experimental study of influences of shape of roller on the lubrication performance of precision speed reducer

Engineering Applications of Computational Fluid Mechanics, 2020
This paper presents a study to investigate the effects of the shape of rollers in high precision enveloping speed reducer on the reducer’s lubrication performance. Theoretical models for the precision speed reducer with cylindrical and conical rollers as
Xingqiao Deng, Shisong Wang, Linmao Qian, Yucheng Liu   +3 more
doaj   +2 more sources

Evaluation of minimum quantity lubrication and minimum quantity cooling lubrication performance in hard drilling of Hardox 500 steel using AlO nanofluid

Advances in Mechanical Engineering, 2020
The work in this study presents an experimental evaluation on minimum quantity cooling lubrication based on the Ranque–Hilsch vortex tube and minimum quantity lubrication performance in hard drilling of Hardox 500 steel (49–50 HRC) using coated carbide ...
Tran Minh Duc, Tran The Long, Dang Van Thanh   +2 more
doaj   +2 more sources

Steady-State Characteristics of Spiral Groove Floating Ring Gas-film Seal Considering Temperature-Viscosity Effect [PDF]

Journal of Applied Fluid Mechanics, 2023
During the operation of the floating ring gas film seal, a certain amount of heat is generated inside the seal gap, giving rise to thermal deformation of the seal rings, and further leading to operation unstable and increased leakage rate.
W. Shipeng, D. Xuexing, D. Junhua, W. Jingmo   +3 more
doaj   +1 more source

Lubrication Performance of Gas-Lubricated Inclined Slider Bearing with Micro-Grooves

Journal of Applied Science and Engineering
The aim of this paper is to investigate the effect of micro grooves on the lubrication performance of gas-lubricated inclined slider bearing. This paper is based on numerical analysis.
Fuxi Liu, Wu Guo, Yang Li, Chunjie Yang, Hongbo Kang, Zhangyu Chen, Guansheng Wu, Binhui Han, Chaofeng Zhao, Xiang Liu   +9 more
doaj   +2 more sources

Analysis of the Turbulent Lubrication of a Textured Hydrodynamic Journal Bearing

Lubricants, 2023
In order to investigate the turbulent lubrication performance of a textured hydrodynamic journal bearing (THJB), a model of turbulent lubrication was established in this paper. The variations in the Reynolds number, oil film thickness, oil film pressure,
Yazhou Mao, Lilin Li, Daqing Li, Jingyang Zheng   +3 more
doaj   +1 more source