A thermomechanical model of a direct injection diesel engine piston

This article presents a three-dimensional finite element full analysis, which describes the thermomechanical behaviour of a direct injection diesel engine piston. The piston moving in a complex environment is exposed to several interactions during engine operation. The thermomechanical model takes i...

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Bibliographic Details
Published inProceedings of the Institution of Mechanical Engineers. Part D, Journal of automobile engineering Vol. 218; no. 4; pp. 395 - 409
Main Authors Abbes, M Tahar, Maspeyrot, P, Bouif, A, Frene, J
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.04.2004
Professional Engineering
SAGE PUBLICATIONS, INC
Subjects
Applied sciences
Diesel engines
Exact sciences and technology
Mechanical engineering. Machine design
Product development
Stress analysis
Temperature distribution
Thermal cycling
thermomechanical model
direct injection diesel engine
global elastohyrodynamic model
piston
Load distribution
Head
Engine cylinder
Diesel engine
Thermomechanical properties
Numerical method
Thermal load
Modeling
Fuel injector
Direct method
Finite element method
Three dimensional model
Piston engine
Critical load
Internal combustion engine
Engine piston
Heat transfer
Direct injection
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Summary:This article presents a three-dimensional finite element full analysis, which describes the thermomechanical behaviour of a direct injection diesel engine piston. The piston moving in a complex environment is exposed to several interactions during engine operation. The thermomechanical model takes in account the most important load. The piston is subjected to the coupled action of the thermal loads due to the transfer of heat from the head to the body and the mechanical load represented by the combustion pressure and the inertial load due to the important change of direction of the piston in the cylinder bore. The response of the simulated model by critical loads makes it possible to know and to analyse the operating temperatures, the corresponding thermal expansion and the thermomechanical deformations and stresses. The results obtained will be the source data for the development of a global elastohydrodynamic model and will provide a good tool for piston design.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0954-4070
2041-2991
DOI:10.1243/095440704773599917