Thermo-Mechanical Analysis and Durability Optimization of the Piston

Mothanna Taha Mohammed Fattah Agha

doi:10.47134/jme.v2i3.4075

Authors

Mothanna Taha Mohammed Fattah Agha Al-Qasim Green University

DOI:

https://doi.org/10.47134/jme.v2i3.4075

Keywords:

Thermal-Mechanical Fatigue (TMF), Finite Element, fatigue, durability, structural mechanics

Abstract

The present take a look at investigates the thermal and mechanical behavior of an internal combustion engine piston under various operational conditions. A complete thermo-mechanical evaluation became performed to evaluate temperature distribution, heat transfer characteristics, pressure accumulation, and viscoplastic stress across one of a kind piston regions. The findings screen that thermal loads notably effect the flame facet, first ring groove, and the beneath-crown oil aspect, with stated versions among rated and idle conditions. The stabilized 5th cycle analysis highlights temperature-triggered strain concentrations, with viscoplastic stress stages last inside ideal limits. Furthermore, lifetime estimation based on thermo-mechanical fatigue (TMF) evaluation confirms that the piston layout sustains more than three,000 cycles, making sure sturdiness without full-size chance of failure. The study underscores the importance of thermal boundary conditions in ring grooves, emphasizing the function of heat transfer coefficients (HTCs) in temperature regulation. These insights contribute to optimizing piston cloth choice and thermal management strategies for more advantageous engine reliability and efficiency.

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