Magnetic-temperature coupling analysis of a multi-drum dual-coil magnetorheological fluid brake

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-07-28 DOI:10.1177/1045389x241262396

Jie Wu, Hongyang Xie, Hao Huang, Bingbing Deng

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Abstract

The coupling analysis of the magnetic field and temperature field of a multi-drum dual-coil magnetorheological (MR) brake is presented in this article. Firstly, the structure of the multi-drum dual-coil MR brake is introduced, and a prototype is manufactured. Thermal analysis of the designed brake is carried out, and a torque correction factor is proposed in order to reduce the error between simulation and experimental results. Then, a coupling analysis model of the magnetic field and temperature is established to study the temperature analysis of the brake under steady-state and transient condition. Simulation results show that the allowable slip power in steady state is 23.68 W. The highest temperature occurs in the fluid gap, and the lowest temperature occurs at the shaft. Under the transient state, the brake can work for about 1200 s under 75.08 W slip power. Furthermore, the temperature characteristics of MR brake under the normal braking, emergency braking, and intermittent braking have been studied. An experimental platform is built to study the torque and temperature characteristics. Results show that the simulated temperature is in good agreement with the experiments, indicating that the proposed magnetic-temperature coupling model can accurately simulate the temperature characteristics of the MR brake.

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多滚筒双线圈磁流变液体制动器的磁温耦合分析

本文介绍了多滚筒双线圈磁流变（MR）制动器的磁场和温度场耦合分析。首先介绍了多滚筒双线圈磁流变制动器的结构，并制作了原型。对所设计的制动器进行了热分析，并提出了扭矩修正系数，以减小模拟和实验结果之间的误差。然后，建立了磁场与温度的耦合分析模型，研究了制动器在稳态和瞬态条件下的温度分析。仿真结果表明，稳定状态下的允许滑差功率为 23.68 W。最高温度出现在流体间隙，最低温度出现在轴。在瞬态条件下，制动器可在 75.08 W 的滑差功率下工作约 1200 秒。此外，还研究了 MR 制动器在正常制动、紧急制动和间歇制动时的温度特性。建立了一个实验平台来研究扭矩和温度特性。结果表明，模拟温度与实验结果十分吻合，表明所提出的磁温耦合模型能够准确模拟磁共振制动器的温度特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.