Hayder Shakir Abudalla, D., Haitham R. Abed Ali, D., A.Saad, D. (2008). NUMERICAL ANALYSIS OF THE THERMAL –STRESSES OF A PETROL ENGINE PISTON WITH DIFFERENT MATERIALS. , 8(3), 249-256.
Dr. Hayder Shakir Abudalla; Dr. Haitham R. Abed Ali; Dr.Najim A.Saad. "NUMERICAL ANALYSIS OF THE THERMAL –STRESSES OF A PETROL ENGINE PISTON WITH DIFFERENT MATERIALS". , 8, 3, 2008, 249-256.
Hayder Shakir Abudalla, D., Haitham R. Abed Ali, D., A.Saad, D. (2008). 'NUMERICAL ANALYSIS OF THE THERMAL –STRESSES OF A PETROL ENGINE PISTON WITH DIFFERENT MATERIALS', , 8(3), pp. 249-256.
Hayder Shakir Abudalla, D., Haitham R. Abed Ali, D., A.Saad, D. NUMERICAL ANALYSIS OF THE THERMAL –STRESSES OF A PETROL ENGINE PISTON WITH DIFFERENT MATERIALS. , 2008; 8(3): 249-256.

NUMERICAL ANALYSIS OF THE THERMAL –STRESSES OF A PETROL ENGINE PISTON WITH DIFFERENT MATERIALS

Iraqi journal of mechanical and material engineering
Article 1, Volume 8, Issue 3, 2008, Pages 249-256
Authors
Dr. Hayder Shakir Abudalla; Dr. Haitham R. Abed Ali; Dr.Najim A.Saad
Abstract
In this paper a numerical analysis is used to analyze the stresses due to thermal cycle with different aluminum alloy of piston .Finite element method was used to evaluate the coupling field (thermal –stress) on the piston .ANSYS5.4 Finite element code is used to carry out the modeling process to determine the coupling stress .Two models with three dimensions are created .The first is used to evaluate the temperature distribution through the piston volume, and the second is used to evaluate the thermal stress distribution due to heat gradient and the material different.
The result show the maximum range of temperatures is 4.3 °C and increases with decreasing of material thermal conductivity .Thermal stress is concentrated on the piston edges and depends on the material types.
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