Design and Numerical Study of Hybrid Magnetic Source Disc-type Magnetorheological Valve

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetics Pub Date : 2023-06-30 DOI:10.4283/jmag.2023.28.2.124
Xiaolong Yang, Y. Li, Youming Zhou, Shiying Zhou, JieHong Zhu
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Abstract

Magnetorheological valves are important components in hydraulic systems that provide precise position con-trol. At present, the low-pressure drop performance of magnetorheological valves is the main problem limiting their application. To improve the pressure drop performance of magnetorheological valves, a hybrid magnetic source disc magnetorheological valve is proposed. The magnetic pressure drop model and viscous pressure drop model of the hybrid magnet source disc type magnetorheological valve based on the Bingham model are Derived. Magnetic field distributions in the damping channel of the hybrid magnet source disc type magnetor-heological valve are obtained by using ANSYS finite element analysis software. The mathematical model of the relationship between pressure drop and magnetic induction intensity was established using Matlab software, and the effects of parameters such as effective current, axial damping gap, radial damping gap, and coil width on the pressure drop performance of disc-type magnetorheological valves with hybrid magnetic sources were numerically analyzed. The results show that the pressure drop of the disc magnetorheological valve with a hybrid magnetic source can reach 10.9935 MPa at the current I=3A, axial damping gap ga=1 mm, and radial damping gap gr=1.5 mm. Compared with the conventional disc magnetorheological valve, the pressure drop performance of the hybrid magnetic source disc magnetorheological valve is improved by 28 %, which provides ideas on how to improve the pressure drop performance of the magnetorheological valve.
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混合磁源盘式磁流变阀的设计与数值研究
磁流变阀是液压系统中提供精确位置控制的重要部件。目前,磁流变阀的低压降性能是限制其应用的主要问题。为了提高磁流变阀的压降性能,提出了一种混合式磁源盘式磁流变阀。基于Bingham模型,推导了混合磁源盘型磁流变阀的磁压降模型和粘性压降模型。利用ANSYS有限元分析软件,得到了混合磁源盘式磁流变阀阻尼通道内的磁场分布。利用Matlab软件建立了压降与磁感应强度关系的数学模型,数值分析了有效电流、轴向阻尼间隙、径向阻尼间隙、线圈宽度等参数对混合磁源盘式磁流变阀压降性能的影响。结果表明:当电流I=3A、轴向阻尼间隙ga=1 mm、径向阻尼间隙gr=1.5 mm时,混合磁源盘式磁流变阀的压降可达10.9935 MPa;与传统的盘式磁流变阀相比,混合磁源盘式磁流变阀的压降性能提高了28%,为如何提高磁流变阀的压降性能提供了思路。
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来源期刊
Journal of Magnetics
Journal of Magnetics MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
1.00
自引率
20.00%
发文量
44
审稿时长
2.3 months
期刊介绍: The JOURNAL OF MAGNETICS provides a forum for the discussion of original papers covering the magnetic theory, magnetic materials and their properties, magnetic recording materials and technology, spin electronics, and measurements and applications. The journal covers research papers, review letters, and notes.
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