The effects of apertures´ shape and configuration on the shielding effectiveness of metallic enclosures

Author

Golestani-Rad, Laleh ; Rashed-Mohassel, Jalil

Author_Institution

Tehran Univ., Iran

Volume

5

fYear

2005

fDate

4-7 Dec. 2005

Abstract

The effects of apertures´ shape and configuration on the shielding effectiveness and resonant frequencies of metallic enclosures is studied using finite-difference time-domain (FDTD) method. It´s shown that for a fixed open area the shielding factor is significantly dependent on the shape of the aperture. Furthermore, it´s shown that dividing a specified open area into a combination of multiple apertures may improve the shielding effectiveness. This could be used in designing ventilation systems or optimizing the configuration of apertures installed for entering feeding cables.

Keywords

aperture antennas; finite difference time-domain analysis; packaging; ventilation; aperture configuration; aperture shape; feeding cables; finite-difference time-domain; metallic enclosure; multiple aperture; resonant frequencies; shielding effectiveness; ventilation system; wave penetration; Aluminum; Apertures; Cables; Finite difference methods; Helium; Polarization; Resonant frequency; Shape; Time domain analysis; Ventilation; FDTD Method; Metallic Enclosure; Shielding effectiveness; Wave Penetration;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings

Print_ISBN

0-7803-9433-X

Type

conf

DOI

10.1109/APMC.2005.1607006

Filename

1607006