两个多极双层磁流变液力联轴器的转矩性能研究

IF 1.1 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Jie Wu, Bingbing Deng, Hao Huang
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引用次数: 0

摘要

研究了永磁结构对多极双层磁流变联轴器传递转矩的影响。基于电磁场理论,建立了传统永磁阵列(TPMA)和哈尔巴赫永磁阵列(HPMA)的磁路模型,推导了磁流变液工作间隙内的磁通密度,以评价所设计磁流变耦合的优劣。在初步的概念分析之后,需要进行三维有限元磁流体分析,以研究关键参数对传动转矩的影响。结果表明,在相同结构尺寸的情况下,采用哈尔巴赫永磁阵列的磁流变联轴器比普通永磁阵列的传动力矩高33.45%。对于与Halbach永磁阵列耦合的磁流变体,随着二次磁极剩余磁通密度的增大和磁极径向长度的增大,单侧磁聚焦效果较好。当主磁极为15°时,单面磁聚焦效果最好。进一步研究了磁极角对传动转矩的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on the torque performance for two multi-pole bilayer magnetorheological fluid couplings
This paper studies on the permanent magnets configuration on the transmission torque of the multi-pole bilayer magnetorheological (MR) coupling. Based on the electromagnetic field theory, the magnetic circuit models of traditional permanent magnet array (TPMA) and Halbach permanent magnet array (HPMA) are established, and the magnetic flux density within the MR fluid working gaps has been derived in order to evaluate the merits of the designed MR coupling. A 3D FE magnetic-fluid analysis has been necessary following the initial conceptual analysis, in order to study the influence of key parameters on the transmission torque. The results show that the transmission torque of the MR coupling with Halbach permanent magnet array is 33.45% higher than that of the ordinary permanent magnet array, with a same structure size. For the MR coupling with Halbach permanent magnet array, the unilateral magnetic focusing effect is better with the increase of the residual flux density of the secondary magnetic pole as well as the radial length of magnetic pole. And the single side magnetic focusing effect is the best when the main magnetic pole is 15°. The influence of the magnetic pole angle on the transmission torque has been further studied.
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来源期刊
CiteScore
1.70
自引率
0.00%
发文量
100
审稿时长
4.6 months
期刊介绍: The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.
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