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Title: Effective shielding of unidirectional current generated magnetic fields
Authors: Xu, L
Fu, ZC
Du, YP 
Keywords: Magnetic shielding
Cylindrical shell
Boundary element method
Eddy current
Issue Date: 2002
Publisher: Shanghai Jiaotong University Press
Source: Journal of Shanghai Jiaotong University, 2002, v. E-7, no. 2, p. 171-174 How to cite?
Journal: Journal of Shanghai Jiaotong University 
Abstract: This paper presented an effective shielding design of magnetic fields generated by unidirectional current. Theoretical formulas and numerical computation software based on boundary element method (BEM) are employed to evaluate the shielding effectiveness (SE) of cylindrical shell. It is shown that ungrounded or one-end-grounded metal shell is ineffective for such magnetic fields. SE can be obtained by connecting the two ends of the conducting shell with low impedance connector, or alternatively, grounding the two ends. The experimental results also support these conclusions.
ISSN: 1007-1172
Appears in Collections:Journal/Magazine Article

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