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Enclosure Design for Brake Wear Particle Measurement Using Computational Fluid Dynamics

Author

Listed:
  • Tuo Zhang

    (Department of Mechanical System Engineering, Tongmyong University, Busan 48520, Korea)

  • Sungjin Choi

    (Vehicle Platform R&D Center, Korea Automotive Technology Institute, Cheonan-si 31214, Korea)

  • Seoyeon Ahn

    (Vehicle Platform R&D Center, Korea Automotive Technology Institute, Cheonan-si 31214, Korea)

  • Chanhyuk Nam

    (Vehicle Platform R&D Center, Korea Automotive Technology Institute, Cheonan-si 31214, Korea)

  • Geesoo Lee

    (Department of Automotive Engineering, Tongmyong University, Busan 48520, Korea)

Abstract

The harmfulness of fine dust generated by automobile brakes to the environment has recently received attention. Therefore, we aimed to analyze and regulate the brake wear particles in dynamometers. To accurately measure the number of particles and particle mass, the sampling system used needs to minimize transportation losses and reduce the residence time in the brake enclosure system. The brake dust measurement system currently used can estimate the main transportation loss but cannot evaluate the complex flow field in the brake enclosure system under different design conditions. We used computational fluid dynamics (CFD) technology to predict the behavior of brake wear particles and analyze the static pressure characteristics, the uniformity of the system flow, and the residence time of the brake dust particles in the system. In addition, we compared the design of the basic structure of the brake enclosure system, combined with the four factors affecting the design of the brake dynamometer, with the enclosure system. As a result, we proposed that the design of the cross section of the brake dynamometer enclosure should be circular, the outlet angle of the enclosure should be 15°, the caliper should be fixed to 150°, and two sets of splitters should be added. This design improves pressure loss and reduces the residence time of brake dust particles in the brake enclosure system.

Suggested Citation

  • Tuo Zhang & Sungjin Choi & Seoyeon Ahn & Chanhyuk Nam & Geesoo Lee, 2021. "Enclosure Design for Brake Wear Particle Measurement Using Computational Fluid Dynamics," Energies, MDPI, vol. 14(9), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:9:p:2356-:d:540488
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    Cited by:

    1. Wang, Yachao & Yin, Hang & Yang, Zhengjun & Su, Sheng & Hao, Lijun & Tan, Jianwei & Wang, Xin & Niu, Zhihui & Ge, Yunshan, 2022. "Assessing the brake particle emissions for sustainable transport: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).

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