I. Elshami, Khalid Elwrfalli, Ali Elgayar, M. Elgaud, Fathiyah Hamid Yousuf, Naila Elmangosh
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引用次数: 0
摘要
今天，电磁干扰(EMI)已经成为电路设计人员面临的一个巨大问题，并且在未来可能会变得更加严重。人们担心暴露在电场和磁场下的人可能面临健康风险。电磁屏蔽是用导电材料制成的屏蔽物阻挡电磁场，从而限制电磁场进入太空的过程。本研究利用CST STUDIO SUITE仿真程序，研究了带孔外壳对电磁兼容的屏蔽效果。结果表明，孔径的材料、频率和尺寸对带孔径外壳的屏蔽效果有影响。此外，在1 ~ 3 GHz频率范围内，对不同材料和孔径大小的屏蔽效果进行了评估，获得了约80 dB的屏蔽效果。
Electromagnetic Shielding Behavior of Enclosures with Apertures
Today, electromagnetic interference (EMI) has become a huge problem for circuit designers and may become more severe in the future. There is concern about the potential health risks of people exposed to electrical and magnetic fields. Electromagnetic shielding is the process of limiting the penetration of electromagnetic fields into space by blocking them with a shield made of a conductive material. In this study, using the simulation program (CST STUDIO SUITE), the shielding effectiveness of enclosures with apertures has been investigated to perform against EMC better. The findings demonstrate that the material, frequency, and dimension of the aperture affect the shielding effectiveness of enclosures with apertures. In addition, shielding effectiveness of about 80 dB was attained when evaluating various materials and aperture sizes in the 1 to 3 GHz frequency range.
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