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Brake Dust May Cause More Problems Than Blackened Wheel Covers
Brake Dust Blackened Wheel Covers
2017/3/14
Though tailpipe emissions could fall in the years ahead as more zero-emission vehicles hit the streets, one major source of highway air pollution shows no signs of abating: brake and tire dust.Metals ...
Comparative Study on the Complex Eigenvalue Prediction of Brake Squeal by Two Infinite Element Modeling Approaches
friction brake squeal noise finite element
2011/8/3
The complex eigenvalue analysis is currently a common approach to predict squealing vibration and noise. There are two methods for modeling friction contact in the complex eigenvalue analysis of frict...
汽车联合制动系统制动力分配系数优化（Optimization of Braking Force Distribution Parameter of United Brake System of Automobile）
汽车 联合制动系统 电涡流缓速器
2009/11/3
由电涡流缓速器和汽车主制动器构成的联合制动系统中，变化的制动力分配系数导致控制单元设计复杂。因此，分析了电涡流缓速器转子盘和制动盘以及制动鼓在不同制动工况下的温度变化过程，建立了联合制动系统制动力分配的优化函数，确定了制动力分配系数的具体数值为0.7。在虚拟多坡度道路上进行了制动过程的模拟计算，结果表明具有优化制动力分配系数的联合制动系统的电涡流缓速器转子盘温度和主制动器的制动盘及制动鼓的温度都处...
Investigation of the coatings applied onto brake discs on disc-brake pad pair
coating improving disc performance Disc Thickness Variation (DTV)
2009/10/23
While braking, according to the severity of it, thermal, metallurgical, constructive and tribological occurrences emerge on the brake disc-pad interface. In this study, NiCr was sprayed as bonding lay...
制动器耗散功率原理在ABS标定匹配中的应用（Application of Brake Decay Power in Calibration of ABS）
汽车防抱制动系统 制动器耗散功率 标定匹配
2009/9/25
为解决ABS逻辑门限值方法匹配成本高、周期长的问题，将制动器耗散功率原理应用于匹配中。结合逻辑门限值与制动器耗散功率的各自优点，将制动器耗散功率原理能自适应识别各种路面状况的特点应用于匹配中；根据制动器耗散功率极大值对应的滑移率略小于临界滑移率且相差不大的原理，采用制动器耗散功率极大值对应的滑移率代替峰值附着系数对应的滑移率对ABS进行控制；滑移率与制动器耗散功率曲线获得较为简单，因此可以大大提高...
鼓式制动器三维热—机耦合温度场仿真（3D Thermo-mechanical Coupling Temperature Field Simulation of Drum Brake）
鼓式制动器 瞬态传热 热—机耦合
2009/5/22
通过对鼓式制动器惯性制动时蹄鼓摩擦接触状态分析，考虑接触副摩擦因数温度特性，以EQ1208车后桥鼓式制动器为例，对建立的鼓式制动器热—机耦合三维有限元模型进行了惯性制动工况数值仿真，得到了鼓式制动器耦合瞬态温度场仿真结果。A测试点温升试验结果与仿真结果对比，两者变化趋势相同，且吻合较好。对在惯性制动工况下的鼓式制动器温升主要影响因素（车速和道路坡度）进行了仿真分析。
Optimisation of the composing part of hand brake mechanism
Numerical techniques 3D Modeling Prototype testing
2010/2/10
Purpose: The purpose of work is to show an example of 3D modeling and optimization combined with the design and production of prototype and experimental testing of a very important composing part of t...
The largest industrial application so far have the gray cast irons which are characterized by low tensile and bending strength, while at the same time they have good ultimate comprehensive strength.