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학술지 Magnetic Shielding Analysis of a Ferrite Plate with a Periodic Metal Strip
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저자
박현호, 권종화, 곽상일, 안승영
발행일
201508
출처
IEEE Transactions on Magnetics, v.51 no.8, pp.1-8
ISSN
0018-9464
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TMAG.2015.2425796
협약과제
15MR3500, 스마트 사회 전자파 노출량 제어 기반 구축 , 권종화
초록
This paper proposes a novel shield structure to enhance the shielding performance of the conventional ferrite plate by inserting a periodic metal strip. An analytical solution is also presented for effective and adequate analysis of quasi-static magnetic field penetration into the proposed shield structure instead of numerical analyses. The effect of the metal strips on the shielding property of the ferrite plate is investigated in terms of the geometrical parameters, such as the period of the metal strip and the source position, with respect to the metal strips. In addition, the influence of the partially filled metal strips along the thickness of the ferrite plate on the shielding performance is investigated. The proposed method is verified by a commercial finite-element solver with good agreement.
키워드
Ferrite plate, Fourier transform, magnetic shielding, metal strip, mode-matching technique
KSP 제안 키워드
Analytical Solution, Finite Element, Magnetic field(MF), Mode matching(MM), Mode-matching technique, Numerical analyses, Shield Structure, Shielding performance, Shielding property, Static magnetic field(SMF), field penetration