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ARTICLE
Influence of air vent geometry in brake rotors on the performance of a car braking system
1
Department of Theoretical and Applied Mechanics, Silesian University of Technology, Gliwice, Poland
These authors had equal contribution to this work
Submission date: 2025-06-24
Final revision date: 2025-11-06
Acceptance date: 2025-11-06
Online publication date: 2026-01-20
Corresponding author
Mateusz Kita
Department of Theoretical and Applied Mechanics, Silesian University of Technology, Gliwice, Poland
Department of Theoretical and Applied Mechanics, Silesian University of Technology, Gliwice, Poland
KEYWORDS
TOPICS
ABSTRACT
The growing mass of modern vehicles increases kinetic energy and thermal stress on braking systems, elevating rotor temperatures and the risk of brake fade. In ventilated disc brakes, heat dissipation depends strongly on the geometry of internal vents. This study uses finite element method (FEM) simulations to examine the thermal behaviour of passenger-car ventilated rotors with different vent designs, including motorsport-inspired configurations, under high thermal loading. While previous studies have examined heat generation and dissipation in disc brakes, direct comparative FE analyses of vent geometries remain limited. The results demonstrate that vent shape significantly affects cooling performance during and following intense braking.
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| ISSN: | 1429-2955 |
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