Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2011, Vol. 22 ›› Issue (2): 70-76 doi: 10.13538/j.1001-8042/nst.22.70-76

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Design of the reflection magnet and its shielding effect analysis for the neutral beam injector of EAST

LIANG Lizhen HU Chundong XIE Yuanlai WEI Jianglong XIE Yahong LI Jun   

  1. Institute of Plasma Physics,Chinese Academy of Sciences,Hefei 230031,China
LIANG Lizhen, HU Chundong, XIE Yuanlai, WEI Jianglong, XIE Yahong, LI Jun . Design of the reflection magnet and its shielding effect analysis for the neutral beam injector of EAST.Nuclear Science and Techniques, 2011, 22(2): 70-76     doi: 10.13538/j.1001-8042/nst.22.70-76

Abstract:

In this paper,a reflection magnet to be installed in the EAST neutral beam injection system is simulated and designed.The field intensity of reflection magnet of 42-cm maximum bending radius is about 1.539×10-1 T for 100 keV deuterium beam.The shielding cage is formed by rods.Using the ANSOFT software,the magnetic shielding effect was estimated at about 3% at the magnet pole region.

Key words: Neutral beam, Reflection magnet, Magnetic shielding, Shielding effectiveness