Experimental correction of the axial shielding equation

Eugene Paperno, Ichiro Sasada, Kunihisa Tashiro

Research output: Contribution to journalConference articlepeer-review

10 Citations (Scopus)


The conventional analytical description of axial shielding for cylindrical shields is based on the assumption that the field reduction inside the shield is due to the demagnetizing field within the equivalent ellipsoid. It seems more reasonable, however, to employ in the axial shielding equation the demagnetizing factor calculated for the equivalent rod, because the shields analyzed have the same outer surface as the rod does. In order to support the above idea experimentally, we built and investigated cylindrical shields having different aspect ratios. The permeability of the shielding material was controlled at a number of levels by magnetic shaking. The results obtained show a good agreement between the experimental and new analytical data.

Original languageEnglish
Pages (from-to)3324-3326
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number5 I
Publication statusPublished - Sept 2002
Event2002 International Magnetics Conference (Intermag 2002) - Amsterdam, Netherlands
Duration: Apr 28 2002May 2 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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