Deptartment of Mechanical Engineering, Madanapalle Institute of Technology & Science, Madanapalle
Abstract—The isotherms of cooper coated 4 stroke variable compression ratio petrol engines with pure
gasoline operation and compared with conventional engine. The variation of Isotherms and heat
flux with respect to radius, height of piston, liner, cylinder head and thermal analysis is also
attempted in this paper. Copper coated engine showed higher temperature at salient points
when compared with conventional engine at salient points like, on the top of the piston and liner.
Temperatures were determined below SIT of the fuel. Deterioration of lube oil was not observed
as temperatures were lower than the required combustion chamber wall temperature and this
was found out so as to substitute in the equations of combustion model. First thermal analysis
was done and analysed the temperature distribution over the convectional engine and copper
coated convectional engine. In the second stage structural analysis was carried out using the
thermal loads obtained in the first stage. Three different types of materials were taken for analysis.
Index Terms—CATIA, ANSYS, Thermal analysis, Structural analysis, Copper coating, Piston
head
Cite: K Ramesh Babu, G Guru Mahesh, and G Harinath Gowd, "Modeling and Thermal Analysis of SI Engine Piston Using FEM," International Journal of Mechanical Engineering and Robotics Research, Vol. 3, No. 1, pp. 265-271, January 2014.