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CFD analysis of the brake disc and the wheel house through air flow: Predictions of Surface heat transfer coefficients (STHC) during braking operation

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Abstract

Braking system is one of the basic organs to control a car. For many years, the disc brakes have been used in automobiles for safe retardation of the vehicles. During braking, enormous amount of heat will be generated, and for effective braking, sufficient heat dissipation is essential. The specific air flow surrounding the brake rotor depends on the thermal performance of the disc brake and hence, the aerodynamics is an important in the region of brake components. A CFD analysis is carried out on the braking system as the study of this case, to make out the behavior of air flow distribution around the disc brake components using ANSYS CFX software. The main object of this work is to calculate the heat transfer coefficient (h) of the full and ventilated brake discs as a function of time using the CDF analysis, which will be used later in the transient thermal analysis of the disc in ANSYS Workbench 11.0.

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Authors and Affiliations

  1. Faculty of Mechanical Engineering, University of Sciences and Technology of Oran, L.P 1505, El - MNAOUER, USTO, 31000, Oran, Algeria

    Ali Belhocine

  2. Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM, Skudai, Malaysia

    Wan Zaidi Wan Omar

Authors
  1. Ali Belhocine
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  2. Wan Zaidi Wan Omar
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Correspondence to Ali Belhocine.

Additional information

Recommended by Associate Editor Seong Hyuk Lee

Ali Belhocine received his Ph.D. degrees in Mechanical Engineering at the University of Science and the Technology of Oran (USTO Oran), Algeria. His research interests include Automotive Braking Systems, Finite Element Method (FEM), ANSYS simulation, CFD Analysis, Heat Transfer, Thermal-Structural Analysis, Tribology and Contact Mechanic.

Wan Zaidi Wan Omar is now a Senior Lecturer in the Department of Aeronautical, Automotive and Off-shore Engineering, Universiti Teknologi Malaysia. He graduated B.Sc. Engineeing (Aeronautical Eng.) from University of Manchester and M.Sc. Applied Instrumentation and Control from Glasgow Caledonian University. His general research interests are Aircraft Sructures, Aircraft Designand Renewable Energy. His current projects are Design of future ground attack or close air support aircraft, Wind energy systems and Solar powered chiller systems. One of his off-academic end eavour is his fascination with the life and methods of bees - he is now trying to capture a wild honey bee colony from somewhere on Universiti Teknologi Malaysia campus.

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Belhocine, A., Omar, W.Z.W. CFD analysis of the brake disc and the wheel house through air flow: Predictions of Surface heat transfer coefficients (STHC) during braking operation. J Mech Sci Technol 32, 481–490 (2018). https://doi.org/10.1007/s12206-017-1249-z

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  • DOI: https://doi.org/10.1007/s12206-017-1249-z

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