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Shielding effectiveness of mesh wire for 50Hz magnetic field

A wire mesh shield composed of thin conductive wires will influence the behaviour of electromagnetic fields within it. Many researchers have investigated electromagnetic field behaviour in solid metal, but little of this work has probed into the effects of a wire mesh. The primary goal of this wo...

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Main Author: El-Shami, Ibtihal Fawzi
Format: Thesis
Language:English
English
English
Published: 2011
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
TK7800-8360 Electronics
Online Access:http://eprints.uthm.edu.my/2626/1/24p%20IBTIHAL%20FAWZI%20EL-SHAMI.pdf
http://eprints.uthm.edu.my/2626/2/IBTIHAL%20FAWZI%20EL-SHAMI%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/2626/3/IBTIHAL%20FAWZI%20EL-SHAMI%20WATERMARK.pdf
http://eprints.uthm.edu.my/2626/
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spelling my.uthm.eprints.26262021-11-01T03:30:42Z http://eprints.uthm.edu.my/2626/ Shielding effectiveness of mesh wire for 50Hz magnetic field El-Shami, Ibtihal Fawzi TK Electrical engineering. Electronics Nuclear engineering TK7800-8360 Electronics A wire mesh shield composed of thin conductive wires will influence the behaviour of electromagnetic fields within it. Many researchers have investigated electromagnetic field behaviour in solid metal, but little of this work has probed into the effects of a wire mesh. The primary goal of this work is to design wire mesh shielding under overhead power lines to investigate the electromagnetic energy transmitted to the ground and possibly can exposed people under certain risk. The electromagnetic shielding of wire-mesh screens is discussed in the frequency range where the individual meshes are electrically small ( )1.0 <L λ . The screen, whose meshes are assumed to be square, its applicability to the measurement of mesh properties is described. The low-frequency magnetic shielding afforded by mesh enclosures is considered. Because of the reactive character of the mesh surface, the near field source shielding effectiveness decreases with increasing frequency. The enclosure magnetic-field shielding effectiveness increases with increasing frequency, but saturates at a maximum value that depends on the geometry of the mesh size, and the mesh wire radius. The enclosure electrostatic-field shielding effectiveness depends only on the enclosure and mesh geometries. Experimentally, shielding effectiveness measurements have been performed. The wire mesh Shields designed in different sizes to find the relation between mesh size and shielding effectiveness. 2011-04 Thesis NonPeerReviewed text en http://eprints.uthm.edu.my/2626/1/24p%20IBTIHAL%20FAWZI%20EL-SHAMI.pdf text en http://eprints.uthm.edu.my/2626/2/IBTIHAL%20FAWZI%20EL-SHAMI%20COPYRIGHT%20DECLARATION.pdf text en http://eprints.uthm.edu.my/2626/3/IBTIHAL%20FAWZI%20EL-SHAMI%20WATERMARK.pdf El-Shami, Ibtihal Fawzi (2011) Shielding effectiveness of mesh wire for 50Hz magnetic field. Masters thesis, Universiti Tun Hussein Malaysia.
institution Universiti Tun Hussein Onn Malaysia
building UTHM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tun Hussein Onn Malaysia
content_source UTHM Institutional Repository
url_provider http://eprints.uthm.edu.my/
language English
English
English
topic TK Electrical engineering. Electronics Nuclear engineering
TK7800-8360 Electronics
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
TK7800-8360 Electronics
El-Shami, Ibtihal Fawzi
Shielding effectiveness of mesh wire for 50Hz magnetic field
description A wire mesh shield composed of thin conductive wires will influence the behaviour of electromagnetic fields within it. Many researchers have investigated electromagnetic field behaviour in solid metal, but little of this work has probed into the effects of a wire mesh. The primary goal of this work is to design wire mesh shielding under overhead power lines to investigate the electromagnetic energy transmitted to the ground and possibly can exposed people under certain risk. The electromagnetic shielding of wire-mesh screens is discussed in the frequency range where the individual meshes are electrically small ( )1.0 <L λ . The screen, whose meshes are assumed to be square, its applicability to the measurement of mesh properties is described. The low-frequency magnetic shielding afforded by mesh enclosures is considered. Because of the reactive character of the mesh surface, the near field source shielding effectiveness decreases with increasing frequency. The enclosure magnetic-field shielding effectiveness increases with increasing frequency, but saturates at a maximum value that depends on the geometry of the mesh size, and the mesh wire radius. The enclosure electrostatic-field shielding effectiveness depends only on the enclosure and mesh geometries. Experimentally, shielding effectiveness measurements have been performed. The wire mesh Shields designed in different sizes to find the relation between mesh size and shielding effectiveness.
format Thesis
author El-Shami, Ibtihal Fawzi
author_facet El-Shami, Ibtihal Fawzi
author_sort El-Shami, Ibtihal Fawzi
title Shielding effectiveness of mesh wire for 50Hz magnetic field
title_short Shielding effectiveness of mesh wire for 50Hz magnetic field
title_full Shielding effectiveness of mesh wire for 50Hz magnetic field
title_fullStr Shielding effectiveness of mesh wire for 50Hz magnetic field
title_full_unstemmed Shielding effectiveness of mesh wire for 50Hz magnetic field
title_sort shielding effectiveness of mesh wire for 50hz magnetic field
publishDate 2011
url http://eprints.uthm.edu.my/2626/1/24p%20IBTIHAL%20FAWZI%20EL-SHAMI.pdf
http://eprints.uthm.edu.my/2626/2/IBTIHAL%20FAWZI%20EL-SHAMI%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/2626/3/IBTIHAL%20FAWZI%20EL-SHAMI%20WATERMARK.pdf
http://eprints.uthm.edu.my/2626/
_version_ 1738581015046127616
score 13.211869

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