Influence of size parameters and magnetic field intensity upon the amplification characteristics of magnetic flux concentrators

Xiaoming Zhang; Yu Bi; Guobin Chen; Jun Liu; Jie Li; Kaiqiang Feng; Chen Lv; Wanjun Wang

doi:10.1063/1.5066271

Influence of size parameters and magnetic field intensity upon the amplification characteristics of magnetic flux concentrators

Xiaoming Zhang^*, Yu Bi, Guobin Chen, Jun Liu, Jie Li, Kaiqiang Feng, Chen Lv, Wanjun Wang

^*Corresponding author for this work

North University of China

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

The design principle of the magnetic flux concentrators (MFCs) is studied by finite element method (FEM) and experiment. Firstly, the establishment process of the FEM model in Comsol Multiphysics is elaborated. Based on the simulation model, the magnetic amplification distributions of different shaped MFCs is compared, and the shape design principle of the MFC is obtained. Then, the influence of size parameters on the magnetic amplification of T, triangle, and trapezoid shaped MFCs is analyzed, and the size design principle of the MFCs is obtained. Additionally, the linear working range of the three MFCs is compared. To verify the simulation results, the MFCs are prepared using 1j79 permalloy. The experimental platform is established to acquire the magnetic gain under different magnetic fields. Based on the results, the linear working range of the MFCs is analyzed. And the influence of size parameters on the magnetic gain is tested. The experimental results are compared with the simulation ones to verify the validity of the model.

Original language	English
Article number	125222
Journal	AIP Advances
Volume	8
Issue number	12
DOIs	https://doi.org/10.1063/1.5066271
Publication status	Published - 1 Dec 2018
Externally published	Yes

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title = "Influence of size parameters and magnetic field intensity upon the amplification characteristics of magnetic flux concentrators",

abstract = "The design principle of the magnetic flux concentrators (MFCs) is studied by finite element method (FEM) and experiment. Firstly, the establishment process of the FEM model in Comsol Multiphysics is elaborated. Based on the simulation model, the magnetic amplification distributions of different shaped MFCs is compared, and the shape design principle of the MFC is obtained. Then, the influence of size parameters on the magnetic amplification of T, triangle, and trapezoid shaped MFCs is analyzed, and the size design principle of the MFCs is obtained. Additionally, the linear working range of the three MFCs is compared. To verify the simulation results, the MFCs are prepared using 1j79 permalloy. The experimental platform is established to acquire the magnetic gain under different magnetic fields. Based on the results, the linear working range of the MFCs is analyzed. And the influence of size parameters on the magnetic gain is tested. The experimental results are compared with the simulation ones to verify the validity of the model.",

author = "Xiaoming Zhang and Yu Bi and Guobin Chen and Jun Liu and Jie Li and Kaiqiang Feng and Chen Lv and Wanjun Wang",

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T1 - Influence of size parameters and magnetic field intensity upon the amplification characteristics of magnetic flux concentrators

AU - Zhang, Xiaoming

AU - Bi, Yu

AU - Chen, Guobin

AU - Liu, Jun

AU - Li, Jie

AU - Feng, Kaiqiang

AU - Lv, Chen

AU - Wang, Wanjun

PY - 2018/12/1

Y1 - 2018/12/1

N2 - The design principle of the magnetic flux concentrators (MFCs) is studied by finite element method (FEM) and experiment. Firstly, the establishment process of the FEM model in Comsol Multiphysics is elaborated. Based on the simulation model, the magnetic amplification distributions of different shaped MFCs is compared, and the shape design principle of the MFC is obtained. Then, the influence of size parameters on the magnetic amplification of T, triangle, and trapezoid shaped MFCs is analyzed, and the size design principle of the MFCs is obtained. Additionally, the linear working range of the three MFCs is compared. To verify the simulation results, the MFCs are prepared using 1j79 permalloy. The experimental platform is established to acquire the magnetic gain under different magnetic fields. Based on the results, the linear working range of the MFCs is analyzed. And the influence of size parameters on the magnetic gain is tested. The experimental results are compared with the simulation ones to verify the validity of the model.

AB - The design principle of the magnetic flux concentrators (MFCs) is studied by finite element method (FEM) and experiment. Firstly, the establishment process of the FEM model in Comsol Multiphysics is elaborated. Based on the simulation model, the magnetic amplification distributions of different shaped MFCs is compared, and the shape design principle of the MFC is obtained. Then, the influence of size parameters on the magnetic amplification of T, triangle, and trapezoid shaped MFCs is analyzed, and the size design principle of the MFCs is obtained. Additionally, the linear working range of the three MFCs is compared. To verify the simulation results, the MFCs are prepared using 1j79 permalloy. The experimental platform is established to acquire the magnetic gain under different magnetic fields. Based on the results, the linear working range of the MFCs is analyzed. And the influence of size parameters on the magnetic gain is tested. The experimental results are compared with the simulation ones to verify the validity of the model.

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Influence of size parameters and magnetic field intensity upon the amplification characteristics of magnetic flux concentrators

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