NDLI: Three-Dimensional Analysis of Tribological Performance and Heat Transfer in Piston and Cylinder Liner System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Ye, Xiaoming Chen, Guohua Luo, Maji Jiang, Yankun
Copyright Year	2003
Abstract	A three-dimensional, hydrodynamic mixed lubrication model has been developed to investigate the frictional performance of piston ring and cylinder liner contact. The model is based on the average Reynolds equation and asperity contact approach with the considerations of surface roughness, rupture location, blowby through the piston ring pack and nonaxisymmetry in circumferential direction of cylinder liner. The equation has been solved cyclically using the finite difference method in a fully flooded inlet boundary condition and a flow-continuity Reynolds boundary condition for cavitation outlet zone. The oil film thickness, hydrodynamic pressure distribution, friction force and friction heat generated at the piston ring/cylinder liner interface are determined as the function of crank angle position. The results show that the shape of the cylinder liner (out-of-roundness) significantly affects the lubrication performance of the piston ring pack. A heat transfer model has been presented to evaluate the effects of friction heat on the temperatures of piston and cylinder liner system. The friction heat is added on the piston ring/cylinder liner interface as the flux boundary condition. The temperature fields of piston and cylinder liner system are acquired by the FEM, which reveal the distribution of the friction heat in this system. The results show that the friction heat mainly affects the temperature on the region near the top ring groove of the piston ring pack. The effect decreases at the region away from the top ring groove, especially at the piston skirt. The effect of friction heat on the temperature of cylinder liner is smaller than that of piston ring pack.
Sponsorship	Internal Combustion Engine Division and Rail Transportation Division
Starting Page	351
Ending Page	361
Page Count	11
File Format	PDF
ISBN	0791841618
DOI	10.1115/ICEF2003-0735
Volume Number	Design and Control of Diesel and Natural Gas Engines for Industrial and Rail Transportation Applications
Conference Proceedings	ASME 2003 Internal Combustion Engine and Rail Transportation Divisions Fall Technical Conference
Language	English
Publisher Date	2003-09-07
Publisher Place	Erie, Pennsylvania, USA
Access Restriction	Subscribed
Subject Keyword	Temperature Rupture Surface roughness Film thickness Finite element methods Cavitation Flow (dynamics) Pressure Piston rings Pistons Heat Finite element model Friction Boundary-value problems Lubrication Shapes Heat transfer Cylinders Tribology Finite difference methods
Content Type	Text
Resource Type	Article

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Friction Predictions for Piston Ring-Cylinder Liner Lubrication

The Effects of Cylinder Liner Finish on Piston Ring-Pack Friction

Analysis of Tribological Performance of Piston Ring Lubrication

Film Thickness and Friction Measurement of Piston Ring Cylinder Liner Contact With Corresponding Modeling Including Mixed Lubrication

A Numerical Simulation of the Coupling Between Dynamic Behavior and Tribological Behavior in Cylinder-Piston System in IC Engine

Piston Ring-Cylinder Bore Friction Modeling in Mixed Lubrication Regime: Part I—Analytical Results

Transient Heat Transfer Simulation of the Coupling 3-D Moving Piston Assembly-Lubricant Film-Liner System

The Effect of Micro-Grooves on Hydrodynamic Lubrication Characteristics of a Piston Ring and a Cylinder Liner

Improvement of Transient Heat Transfer Models for the Coupled 3-D Moving Piston Assembly-Liner System

Three-Dimensional Analysis of Tribological Performance and Heat Transfer in Piston and Cylinder Liner System

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