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The heat dissipation of brake disc rotors is a key factor ensuring the safety of automobiles. This study examines the substantial influence of vehicle speed on automotive brake disc thermal behaviour. Thus, Diamond and TearDrop Pillars (DTDP) configuration was chosen. This research investigates the heat generated through friction after braking for different car speeds. The results highlight that reducing rotor angular velocity limits the heat dissipated from the rotor. Hence, some brake scenarios can negatively impact the thermal management of the brake disc. Avoiding these cases help to maintain the long life of commercial brake discs, thus avoiding failure risks. These results offer valuable insights to the automotive industry in maintaining more competitive brake discs while ensuring improved heat dissipation and enhanced thermo-mechanical performance.

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Evaluating the Impact of Vehicle Speed on Thermal Behaviour of Brake Discs with DTDP Configurations

  • 会议论文

  • 发表日期：

    2025年

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  • Mohamed Ben Jamel Haddar,
  • Ahmed Ghorbel,
  • Fathi Djemal,
  • Mounir Baccar

摘要

The heat dissipation of brake disc rotors is a key factor ensuring the safety of automobiles. This study examines the substantial influence of vehicle speed on automotive brake disc thermal behaviour. Thus, Diamond and TearDrop Pillars (DTDP) configuration was chosen. This research investigates the heat generated through friction after braking for different car speeds. The results highlight that reducing rotor angular velocity limits the heat dissipated from the rotor. Hence, some brake scenarios can negatively impact the thermal management of the brake disc. Avoiding these cases help to maintain the long life of commercial brake discs, thus avoiding failure risks. These results offer valuable insights to the automotive industry in maintaining more competitive brake discs while ensuring improved heat dissipation and enhanced thermo-mechanical performance.