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易燃易爆危险品运输车制动器降温灭火装置研发

, PP. 184-190

Keywords: 汽车工程,降温灭火装置,理论与试验研究,制动器,摩擦副

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Abstract:

?为解决公路运输车辆因制动器过热引发交通事故的问题,研发了易燃易爆危险品运输车制动器降温灭火装置。设计了制动器降温灭火装置的结构与控制方法,同时为了确定合理的温度参数控制阈值,建立了制动器温升数学模型,利用Fluent软件对制动器摩擦片进行瞬态温度场有限元分析,计算并获得摩擦片的温度场分布并进行了试验验证,而后依据摩擦片温度场分布情况设定温度参数控制阈值,最后进行了专用试验台架与道路试验。结果表明:易燃易爆危险品运输车制动器降温灭火装置能够在传感器测得温度达到相应控制阈值时准确地进行喷水降温或灭火操作,防止制动器过热造成的热衰退,保证运输车辆运行安全。

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