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Thermal behavior of full and ventilated disc brakes of vehicles

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Abstract

Braking is a process which converts a vehicle’s kinetic energy into mechanical energy which must be dissipated in the form of heat. During the braking phase, the frictional heat generated at the interface of the disc and pads can lead to high temperatures. This phenomenon is even more important than the tangential stress. The relative sliding speeds during contact are also important. The prediction of surface temperature for a brake rotor is regarded as an important step in studying brake system performance. The frictional heat generated on the rotor surface can influence excessive temperature rise which, in turn, leads to undesirable effects such as thermal elastic instability (TEI), premature wear, brake fluid vaporization (BFV) and thermally excited vibrations (TEV). The objective of this study is to analyze the thermal behavior of the full and ventilated brake discs of the vehicles using computing code ANSYS. The modeling of the temperature distribution in the disc brake is used to identify all the factors and the entering parameters concerned at the time of the braking operation, such as the type of braking, the geometric design of the disc and the material used. The results obtained by the simulation are satisfactory compared to those of the specialized literature.

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Authors and Affiliations

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

    A. Belhocine & M. Bouchetara

Authors
  1. A. Belhocine
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  2. M. Bouchetara
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Correspondence to A. Belhocine.

Additional information

Recommended by Associate Editor Vikas Tomar

Ali Belhocine received his Magister Mechanical Engineering in 2006 from the University of Mascara, and he is currently preparing for his Ph.D at the University of Science and Technology (USTO), Oran, Algeria.

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Belhocine, A., Bouchetara, M. Thermal behavior of full and ventilated disc brakes of vehicles. J Mech Sci Technol 26, 3643–3652 (2012). https://doi.org/10.1007/s12206-012-0840-6

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  • DOI: https://doi.org/10.1007/s12206-012-0840-6

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