TY  - EJOU
AU  - Kou, Yong  
AU  - Jin, Ke  
AU  - Zheng, Xiaojing  

TI  - Numerical Simulation on the Shielding Efficiency of Magnetic Shielding Enclosures in the ITER Applications
T2  - Computers, Materials \& Continua

PY  - 2011
VL  - 22
IS  - 2
SN  - 1546-2226

AB  - Magnetic shielding needs to be employed to ensure proper operation of some electronic equipment which are sensitive to external magnetic interference, such as cryogenic valves located inside the ITER feeder cubicles. This paper is concerned with the shielding efficiency of the magnetic shielding enclosures. A 3-D theoretical model for Fe-Ni alloy magnetic shielding enclosures based on finite element method (FEM) is obtained with the nonlinear law of magnetization. The influence of shielding materials, enclosure configurations, single or multi- layer designs, and apertures on the shielding efficiency is investigated. It is shown that the proposed model can predict the shielding efficiency of shielding devices well with nonlinear magnetize relation, and some recommendations for an optimized magnetic shield design in the ITER feeder cubicles are given.
KW  - Magnetic shielding
KW  -  Nonlinear law of magnetization
KW  -  Apertures
KW  -  Multilayer

DO  - 10.3970/cmc.2011.022.129