<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Among the many elements of a modern vehicle, the braking system is definitely among the most important ones. Health, and, frequently, life, may rest upon the design and reliability of brakes. The most common friction pair used in passenger cars today is a disc which rotates with the road wheel and a cooperating pair of brake pads. The composite material of the pad results in changing tribological properties as the pad wears, which was demonstrated in experimental studies. The change is also facilitated by the harsh operating conditions of brakes (high and rapid temperature changes, water, etc.). This paper looks into how changing tribology reflects on the heating process of disc and pads during braking. And so a simulation study was conducted, as this method makes it possible to measure temperature in any given point and at any time, which is either impossible or extremely difficult in real life conditions. Finite element method analyses were performed for emergency braking events at various initial speeds of the vehicle reflecting the current road speed limits.</p></abstract>

Among the many elements of a modern vehicle, the braking system is definitely among the most important ones. Health, and, frequently, life, may rest upon the design and reliability of brakes. The most common friction pair used in passenger cars today is a disc which rotates with the road wheel and a cooperating pair of brake pads. The composite material of the pad results in changing tribological properties as the pad wears, which was demonstrated in experimental studies. The change is also facilitated by the harsh operating conditions of brakes (high and rapid temperature changes, water, etc.). This paper looks into how changing tribology reflects on the heating process of disc and pads during braking. And so a simulation study was conducted, as this method makes it possible to measure temperature in any given point and at any time, which is either impossible or extremely difficult in real life conditions. Finite element method analyses were performed for emergency braking events at various initial speeds of the vehicle reflecting the current road speed limits.

Simulation Study of the Process of Friction in the Working Elements of a Car Braking System at Different Degrees of Wear

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Among the many elements of a modern vehicle, the braking system is definitely among the most important ones. Health, and, frequently, life, may rest upon the...

Simulation Study of the Process of Friction in the Working Elements of a Car Braking System at Different Degrees of Wear

Publié en ligne: 16 oct. 2018

Pages: 221 - 226

Reçu: 27 janv. 2018

Accepté: 20 sept. 2018

DOI: https://doi.org/10.2478/ama-2018-0034

Mots clés
Brake Pads, Friction Heating, Brake Simulation, Coefficient of Friction

© 2018 Bialystok University of Technology published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Simulation Study of the Process of Friction in the Working Elements of a Car Braking System at Different Degrees of Wear

Publié en ligne: 16 oct. 2018

Pages: 221 - 226

Reçu: 27 janv. 2018

Accepté: 20 sept. 2018

DOI: https://doi.org/10.2478/ama-2018-0034

Mots clésBrake Pads, Friction Heating, Brake Simulation, Coefficient of Friction

© 2018 Bialystok University of Technology published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Brake Pads, Friction Heating, Brake Simulation, Coefficient of Friction