Results 11 to 20 of about 1,338,115 (406)

Development of a Model Test System for a Piston Ring/Cylinder Liner-Contact with Focus on Near-to-Application Seizure Behaviour

open access: yesLubricants, 2019
Physical simulations of tribo contacts in internal combustion engines can act as a supporting tool to match upcoming guidelines and emission restrictions.
Michael Pusterhofer   +3 more
doaj   +2 more sources

A review on preparation process and tribological performance of coatings for internal combustion engine piston ring

open access: yesAdvances in Mechanical Engineering, 2023
Reducing the energy consumption and exhaust emission, and improving the combustion efficiency of internal combustion engine are important for solving the problems of climate change and environmental pollution.
Jiliang Liu, Yuyan Zhang, B. Liao
semanticscholar   +1 more source

Molecular Dynamics Investigation on Micro-Friction Behavior of Cylinder Liner-Piston Ring Assembly

open access: yesTribology letter, 2023
In the vicinity of the top dead center of a diesel engine, the piston rings operate in a low-speed, high-load, and high-temperature environment, which is detrimental to the formation of an effective lubrication oil film.
Tongyang Li   +7 more
semanticscholar   +1 more source

Laser texturing of piston ring for tribological performance improvement

open access: yesFriction, 2023
The radial surface coating layer of compression piston rings is used to improve their wear resistance during the internal combustion engine operation.
R. Ferreira   +4 more
semanticscholar   +1 more source

Experimental verification of the model of piston ring pack operation of an internal combustion engine

open access: yesArchive of Mechanical Engineering, 2023
In the paper, the author analyses a model of a ring pack motion on an oil film. The local thickness of the oil film can be compared to the height of the combined surface roughness of a cylinder liner and piston rings.
A. Wolff
semanticscholar   +1 more source

Numerical simulation of piston ring pack operation with regard to ring twist effects

open access: yesArchive of Mechanical Engineering, 2023
The motion of a ring pack on a thin film covering a cylinder liner has been analysed. In contrast to the previous papers [30], [31], which considered a primary hydrodynamic phenomena (including mixed lubrication), in the present paper an additional ...
Andrzej Wolff, J. Piechna
semanticscholar   +1 more source

Piston ring oil film thickness measurements in a four-stroke diesel engine during steady-state, start-up and shut-down

open access: yesInternational Journal of Engine Research, 2022
Internal combustion engine research predominantly focuses on routes to lower emissions to meet various emission legislation. Lower emissions can be achieved with increased fuel efficiency and less lubricant throw off/lubricant combustion in the piston ...
J. Rooke   +7 more
semanticscholar   +1 more source

Research on Moderate Thermal Insulation of Highly Strengthened Diesel Engine piston

open access: yesJournal of Applied Science and Engineering, 2022
Thermal insulation coating at the top surfaces of the piston can reduce the thermal loads and improve its service life. The AlCrN coating was used for the heat insulation of a highly strengthened diesel engine aluminum alloy piston and the finite element
Yuwei Liu   +4 more
doaj   +1 more source

Effect of Coating and Low Viscosity Oils on Piston Ring Friction under Mixed Regime of Lubrication through Analytical Modelling

open access: yesLubricants, 2021
This paper presents the impact of coating topography in piston ring-liner conjunction under mixed regime of lubrication using low viscosity oils. The study provides a time efficient analytical model including mixed-hydrodynamics regime of lubrication ...
A. Zavos
semanticscholar   +1 more source

Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring [PDF]

open access: yesE3S Web of Conferences, 2021
To solve the practical problem of Stirling engine piston ring, numerical model on friction and lubrication were established based on average Reynolds equation theory.
Songjian Li   +3 more
doaj   +1 more source

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