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학술지 Magnetic Shielding Analysis of Amultiply-Slotted Metal Plate Coated with a Ferrite Sheet in a Periodic Line Current Source
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저자
박현호, 권종화, 곽상일, 안승영
발행일
201507
출처
Journal of Magnetism and Magnetic Materials, v.385, pp.250-256
ISSN
0304-8853
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.jmmm.2015.02.061
협약과제
14MR2600, 생활전파에 대한 건강영향 및 보호대책 연구, 권종화
초록
This paper presents an analytical solution for low-frequency magnetic shielding analysis of a multiply-slotted metal plate coated with a ferrite sheet in the presence of a periodic line current source. The Fourier transform is used to represent the magnetic vector potentials in the spectral domain and the mode matching technique is enforced to obtain a modal solution in rapidly converging series form, leading to numerically efficient results. Shielding effectiveness is investigated in terms of the geometrical configuration of multiple slots, ferrite sheet, and periodic line current source. The proposed solution is verified by a commercial finite element solver with good agreement.
키워드
Ferrite sheet, Fourier transform, Low-frequency, Magnetic field shielding, Mode-matching technique, Multiple slots, Periodic line current source
KSP 제안 키워드
Analytical Solution, Current source, Ferrite sheet, Finite Element, Geometrical configuration, Magnetic field(MF), Magnetic field shielding, Metal Plate, Mode matching(MM), Mode-matching technique, Numerically efficient