Thermal stress analysis on disc brake rotor by using finite element analysis

Ee, Wei Xiang (2019) Thermal stress analysis on disc brake rotor by using finite element analysis. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In today automotive industries, braking system is an essential component of the vehicle. Typically, there are two type of braking system, which is disc brake and drum brake. In order to achieve a better braking performance in a shorter distance, disc brake is installed on the front wheel and drum brake is installed on the rear wheel. This is because the disc brake can dissipate the heat efficiently compared to the drum brake. Therefore, thermal management is an important factor that can affect the performance of braking system. In this project, four design specification of disc brake rotor is used to analyze the thermal stress distribution. Gray cast iron is selected as the material of disc brake rotor in ANSYS. The convective heat transfer coefficient for certain surface of rotor that exposed to air directly is applied. FEA software is used to determine the thermal stress of four design specification of disc brake rotor. The result of four different design specification of disc brake rotor is compared after simulation process is completed. The slotted rotor shows a lower temperature in steady state thermal analysis and transient thermal analysis. Furthermore, slotted rotor shows a lower deformation and moderate equivalent (Von-Mises) stress in static structure analysis and transient structure analysis

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