<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Disturbing magnetic field (so-called magnetic smog) can be in certain areas suppressed by shielding jacket. Disturbing field is possible to be “lead away” from the shielded area with the use of jacket made of materials with high magnetic permeability (so-called passive shielding, or flux-entrapment shielding). If the disturbing field is time-variable, eddy currents are induced into electrically conductive jacket. Magnetic field generated by these eddy currents suppress the disturbing field (this is called active shielding, or lossy magnetic shielding). Both of these principles can be applied altogether (this is called combined shielding). Presented paper states numerical approach to shielding jacket design and is an introduction to following solution of a real problem of magnetic shielding when the disturbing magnetic field is space-time complicated. Effective design of the magnetic shielding should then be formulated as an optimization task.</p></abstract>

Disturbing magnetic field (so-called magnetic smog) can be in certain areas suppressed by shielding jacket. Disturbing field is possible to be “lead away” from the shielded area with the use of jacket made of materials with high magnetic permeability (so-called passive shielding, or flux-entrapment shielding). If the disturbing field is time-variable, eddy currents are induced into electrically conductive jacket. Magnetic field generated by these eddy currents suppress the disturbing field (this is called active shielding, or lossy magnetic shielding). Both of these principles can be applied altogether (this is called combined shielding). Presented paper states numerical approach to shielding jacket design and is an introduction to following solution of a real problem of magnetic shielding when the disturbing magnetic field is space-time complicated. Effective design of the magnetic shielding should then be formulated as an optimization task.

Numerical Approach for Computation of Electromagnetic Shielding

University of West Bohemia in Pilsen,Institute of Theory of Electrical Engineering,Univerzitni 26, 30614 Pilsen (Czech republic)

Journal of Electrical Engineering

{"article-title":"Numerical Approach for Computation of Electromagnetic Shielding"}

Disturbing magnetic field (so-called magnetic smog) can be in certain areas suppressed by shielding jacket. Disturbing field is possible to be “lead away” from...

Numerical Approach for Computation of Electromagnetic Shielding

Published Online: Aug 24, 2013

Page range: 256 - 260

DOI: https://doi.org/10.2478/jee-2013-0037

Keywords
magnetic field theory, magnetic shielding, electromagnetic smog

This content is open access.

Numerical Approach for Computation of Electromagnetic Shielding

Published Online: Aug 24, 2013

Page range: 256 - 260

DOI: https://doi.org/10.2478/jee-2013-0037

Keywordsmagnetic field theory, magnetic shielding, electromagnetic smog

This content is open access.

Keywords
magnetic field theory, magnetic shielding, electromagnetic smog