The Research on the Structure Parameters to Deformation of the 150 Diesel Engine Cylinder under Thermo-Mechanical Coupling

Abstract:

Finite element method with experimental data was used to calculate and analysis the temperature field and machine assembly of a 150 engine cylinder liner. Using a series of evaluation criteria such as maximum, minimum radius, light leakage rate to analyze the influence of the main structural parameters on the cylinder liner deformation in the coupling effect of Thermal stress and mechanical stress. Comparative results show that: increasing the wall thickness of cylinder liner can reduce the radial deformation of the cylinder liner effectively, the diameter of the cylinder liner shroud has little effect on the cylinder liner radial deformation, but it can reduce the local stress concentration of the cylinder liner, cylinder shroud thickness increases can lead to the radial deformation of the cylinder liner increasing.

• Periodical: Applied Mechanics and Materials (Volumes 48-49)
• Pages: 1294-1299
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.48-49.1294
• Online since: February 2011
• Authors: Kun Li, Tie Xiong Su, Guo Dong You, Lu Xu, Xiao Jie Li
• Keywords: Cylinder Liner, Deformation, Internal Combustion Engine (ICE), Thermo-Mechanical Coupling

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