EXPERIMENTAL ANALYSIS OF THE THERMAL BEHAVIOR OF BRAKE DISCS FOR DIFFERENT FRICTION COUPLES
Abstract
This work aimed to study the behaviour of car brake discs during braking, for different friction couplings. To simulate the braking coupling, as faithfully as possible and to obtain as accurate numerical data as possible, about the temperature of the discs, it was necessary to design and create an experimental stand. This stand was designed using the Catia V5 application and its construction was carried out using actual, ventilated and non-ventilated brake discs, whose movement was generated by an electric motor. The temperature of the discs was determined using temperature sensors and an Arduino module. The numerical data of the temperatures for the different friction couplings were collected in a real-time Excel file. The data interpretation was done according to the different friction couplings, such as cast-iron/wood, cast-iron/aluminium, cast-iron/standard brake pad material etc. The heating and cooling times of the two types of brake discs were analyzed, concluding the benefits of using ventilated discs for vehicle braking systems.
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