Results 1 to 10 of about 17,786 (260)

Study on the Lubricating Characteristics of Graphene Lubricants

open access: yesLubricants, 2023
Graphene is considered a good lubricant additive. The lubricating properties of graphene lubricant at different concentrations and temperatures are studied via a four-ball friction and wear-testing machine.
Yi Dong   +4 more
doaj   +2 more sources

Study on Dynamic Lubrication Characteristics of the External Return Spherical Bearing Pair under Full Working Conditions

open access: yesMachines, 2022
In order to study the frictional lubrication characteristics of a piston pump under varying loads and speeds in actual work, mathematical models, such as a cylinder dynamics model, cylinder micro-motion model, and external return spherical bearing pair ...
Haishun Deng   +3 more
doaj   +3 more sources

A multiphase flow study for lubrication characteristics on the internal flow pattern of ball bearing

open access: yesResults in Engineering, 2023
This work proposes a general method for establishing the lubrication analysis model of ball bearing and the oil-air multiphase flow characteristics inside ball bearing is revealed by CFD. Based on the geometric feature, the micro-clearance in the chamber
Wentao Shan   +5 more
doaj   +3 more sources

Effect of Surface Texturing Parameters on the Lubrication Characteristics of an Axial Piston Pump Valve Plate

open access: yesLubricants, 2018
In this article, a geometrical model of different microtextures is established for an axial piston pump valve plate. A finite differential method was used to solve the Reynolds equation for the oil film thickness and pressure, which were simulated under ...
Zhaoqiang Wang   +5 more
doaj   +3 more sources

Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris

open access: yesSensors, 2017
As an essential part of engine health monitoring (EHM), online lubrication oil debris monitoring has recently received great attention for the assessment of rotating and reciprocating parts in aero-engines, due to its high integration, low cost and safe ...
Zhibin Han, Yishou Wang, Xinlin Qing
doaj   +3 more sources

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

open access: yesFrontiers 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   +7 more
doaj   +1 more source

Study on Lubrication Characteristics of Lubrication for Lubricity Improver in Dimethyl Ether [PDF]

open access: yesJournal of the Korean Society of Tribologists and Lubrication Engineers, 2013
Korea Institute of Petroleum Management,653-1 Yangchung-ri, Ochang-eup, Chungwon-gun,Choongbuk, 363-883, Korea*Department of Chemical Engineering, Chungbuk National University, 410 Seongbong-ro, Heungduk-gu, Cheongju, Chungbuk 361-763, Korea(Received November 20, 2012 ; Revised January 10, 2013 ; Accepted January 17, 2013)Abstract − Dimethyl ether (DME)
Cheonkyu Park   +4 more
openaire   +1 more source

Effects of Temperature on the Tribological Properties of Cylinder-Liner Piston Ring Lubricated with Different Oils

open access: yesLubricants, 2023
As one of the important friction pairs of a diesel engine, the cylinder-liner piston ring (CL-PR) faces a harsh high-temperature working environment.
Chang Du   +4 more
doaj   +1 more source

Optimization and Influence of Micro-Chamfering on Oil Film Lubrication Characteristics of Slipper/Swashplate Interface within Axial Piston Pump

open access: yesEnergies, 2021
The overturning and eccentric abrasion of the slipper worsens the lubrication characteristics and increases the friction power loss and kinetic energy consumption of the slipper/swashplate interface to reduce the axial piston pump efficiency.
Jihai Jiang, Zebo Wang
doaj   +1 more source

A Mixed Lubrication Model for Predicting the Lubrication Performance Degradation Behavior of Slipper Pair in Early Wear Failure

open access: yesIEEE Access, 2023
To reveal the lubrication performance degradation mechanism of the slipper pair in the high-pressure piston pump during early wear failure. The three-dimensional fractal function has been used to construct the surface morphology of the slipper, and ...
Siyuan Liu   +6 more
doaj   +1 more source

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