Multi-physics Coupling Analysis and Bench Experiment Research of Brake

Abstract

In order to explore the comprehensive performance of a new type of brake-circular disc brake, a multi-physics coupling analysis was established using ANSYS Workbench software to study the heat generation mechanism and air-cooled heat dissipation effect of the brake under different working conditions. Under the condition of a single braking condition, the maximum temperature of the peripheral disc brake is 98.1℃; under the condition of continuous braking, the maximum temperature of the brake is 170.22℃, and the highest temperature occurs on the outer surface. A thermo-fluid-solid coupling analysis of the peripheral disc brake is established. Compared with the heat generation of a single braking condition, the maximum temperature of the brake is reduced by 14.77℃, which shows that the effect of forced air cooling is not obvious. Use the test bench to compare the finite element analysis results. It can be seen from the bench experiment that as the cyclic braking progresses, the maximum temperature of each braking cycle basically increases in a gradient manner, and the experimental and simulation results are basically consistent. The maximum error between the experiment and the finite element simulation is 8.29℃ , Verified the reliability of finite element analysis.