Design And Analysis An Efficient Lightweight Brake Disc For A Single Seated Race Car

Norazhafidz Aizat, Ahmad Ghazali (2011) Design And Analysis An Efficient Lightweight Brake Disc For A Single Seated Race Car. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

An efficient lightweight disc brake contributes to the performance of a single seated race car. In motorsports arena, the car weight plays very important roles in designing the race vehicle part. Minimum weight contributes to maximum power. Each part is custom made according to the vehicle specifications. So that, the lightweight material with high coefficient of friction and low heat capacity will be selected through the research in thermal stress analysis. The initial diameter of the stock brake disc (Honda Wave 125) will be reduced to minimize the weight of the disc brake. The weight of the disc also contributes by the material of the disc. Thermal stress is a research of stress due to temperature change. This research only concentrates on disc brake study. Usually a problem that causes the vibration (known as brake judder) in disc brake is the material thermal expansion that changes the thickness of a DTV (Disc Thickness Variation). Thickness change of a disc also is caused by a thermal stress phenomenon, where as friction between brake pad and disc brake produces heat. Unbalanced heat condition at the brake surface will be transferred to rotating disc. This phenomenon will result stress and thickness change to the disc. There are some method in order to obtain and study this case such experiment, analysis and simulation. In this project, FEA (Finite Element Analysis) is used for analysis thermal stress on disc brake by using simulation software called ANSYS 12.1.

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