商用车鼓式制动器热流双向耦合分析技术研究

A Research on Thermal-flow Two-way Coupling Analysis Technique for Drum Brakes of Commercial Vehicles

为通用鼓式制动器开发了一种具备控制数据交换和映射插值功能的热流双向耦合数值模拟方法,并将该方法应用到鼓式制动器正常路面制动的模拟中,再与台架试验测得的温度值进行精度对比。结果表明:开发的制动器热流双向耦合分析方法技术手段先进,分析精度高达83%以上,满足工程要求,具备工程应用推广价值。

A numerical simulation method for thermal-flow two-way coupling with control data exchange and mapping interpolation functions is developed for general-purpose drum brake and is applied to the simulation of the braking on normal road with drum brake. Then the results of simulation are compared in accuracy with the temperatures measured in bench test. The results show that the thermal-flow two-way coupling analysis method developed is advanced in technical means with a analysis accuracy higher than 83%,meeting engineering requirements with engineering application and dissemination values.