Thermal Coupling Simulation Analysis of Non-smooth Brake Discs with Orthotropic Anisotropic C/SiC

Zhu Yuling; Wang Youqiang; Li Mengjie; Zhao Tao; He Yan

doi:10.16578/j.issn.1004.2539.2023.11.014

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Thermal Coupling Simulation Analysis of Non-smooth Brake Discs with Orthotropic Anisotropic C/SiC

Test·Analysis | 更新时间：2023-12-01

- Thermal Coupling Simulation Analysis of Non-smooth Brake Discs with Orthotropic Anisotropic C/SiC
- Journal of Mechanical Transmission Vol. 47, Issue 11, Pages: 94-100(2023)
- 作者机构：
  
  1.青岛理工大学机械与汽车工程学院，山东青岛 266520
  2.工业流体节能与污染控制教育部重点实验室，山东青岛 266520
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.11.014
  CLC：
- Published：15 November 2023，
  
  Received：01 September 2022，
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朱玉玲,王优强,李梦杰等.正交各向异性C/SiC的非光滑制动盘热力耦合仿真分析[J].机械传动,2023,47(11):94-100.

Zhu Yuling,Wang Youqiang,Li Mengjie,et al.Thermal Coupling Simulation Analysis of Non-smooth Brake Discs with Orthotropic Anisotropic C/SiC[J].Journal of Mechanical Transmission,2023,47(11):94-100.
朱玉玲,王优强,李梦杰等.正交各向异性C/SiC的非光滑制动盘热力耦合仿真分析[J].机械传动,2023,47(11):94-100. DOI： 10.16578/j.issn.1004.2539.2023.11.014.

Zhu Yuling,Wang Youqiang,Li Mengjie,et al.Thermal Coupling Simulation Analysis of Non-smooth Brake Discs with Orthotropic Anisotropic C/SiC[J].Journal of Mechanical Transmission,2023,47(11):94-100. DOI： 10.16578/j.issn.1004.2539.2023.11.014.

摘要

利用有限元软件Abaqus建立了不同凹坑结构简化的三维制动器模型，并结合热力耦合相关理论和正交试验法，探究了凹坑的深度

、直径

、圆周方向相邻凹坑间隔度数

及类型

对制动盘温度及应力的影响机制；在此基础上，研究分析了不同非光滑表面形态制动盘的温度场及应力场，并探究了在最优组合下，紧急制动过程中不同制动初速度及压力下的非光滑制动盘温度随半径的影响规律。结果表明，通过正交试验法得到的凹坑深度

为5 mm、直径

为8 mm、圆周方向相邻凹坑间隔度数

为20°的正方形凹坑制动盘温度及应力最小，为最优组合。其中，正方形凹坑制动盘具有最好的散热性能。随着制动初速度和压力的增大，该制动盘面的温度逐渐增加，制动盘的最高温度均出现在制动盘半径136 mm处。

Abstract

A simplified three-dimensional brake model with crater structure is established by using the finite element software Abaqus

and the influence of the depth

diameters

degrees and types of craters on the temperature and stress of the brake disc is investigated by combining the thermal coupling theory and the orthogonal test method. On this basis

the temperature and stress fields of brake discs with different non-smooth surface forms are analyzed

and the influence of temperature with radius on non-smooth discs with different braking initial speeds and pressures during emergency braking is investigated under the optimal combination. The results show that the square pit brake disc with the pit depth of 5 mm

the diameter of 8 mm and the 20° interval between adjacent pits in the circumferential direction has the smallest temperature and stress by the orthogonal test method

which is the optimal combination. Among them

the square pit brake disc has the best heat dissipation performance. With the increase of the initial speed and pressure of braking

the temperature of this brake disc surface gradually increases

the highest temperatures of the brake disc all appeares in the brake disc radius of 136 mm.

关键词

正交各向异性非光滑制动盘热力耦合散热性能

Keywords

Orthotropic anisotropicNon-smooth brake discThermodynamic couplingDissipation performance

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