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Transient thermal Ansys analysis of dry contacts - Application to automotive braking

机译：干触点的瞬态热Ansys分析-在汽车制动中的应用

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摘要

Braking operation is a process which converts the kinetic energy and the potential energy of the vehicle into other energies. The major part of the mechanical energy is transformed into heat. During the braking phase, the factional heat generated at the interface disc-pads can lead to high temperatures. This phenomenon is even more important that the tangential stress as well as the relative sliding speeds in contact are important. The objective of this study is to analyse 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 used material. The results obtained by the numerical simulation are satisfactory compared with those of the specialized literature.
机译：制动操作是将车辆的动能和势能转换为其他能量的过程。机械能的主要部分转化为热量。在制动阶段，接口盘垫处产生的摩擦热量可能会导致高温。这种现象甚至更重要，因为切向应力以及接触中的相对滑动速度都很重要。这项研究的目的是使用计算代码ANSYS分析车辆的完整和通风的制动盘的热性能。盘式制动器中温度分布的模型用于识别制动操作时涉及的所有因素和输入参数，例如制动的类型，盘的几何设计和使用的材料。与专业文献相比，通过数值模拟获得的结果令人满意。

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