Electromagnetic Analysis of the EAST 4-Strap ICRF Antenna with HFSS Cod

QIN Chengming (秦成明); ZHANG Xinjun (张新军); ZHAO Yanping (赵燕平); et al.

doi:10.1088/1009-0630/17/2/12

Plasma Science and Technology > 2015 > 17(2): 167-172. > DOI: 10.1088/1009-0630/17/2/12

QIN Chengming (秦成明), ZHANG Xinjun (张新军), ZHAO Yanping (赵燕平), et al.. Electromagnetic Analysis of the EAST 4-Strap ICRF Antenna with HFSS Cod[J]. Plasma Science and Technology, 2015, 17(2): 167-172. DOI: 10.1088/1009-0630/17/2/12

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Electromagnetic Analysis of the EAST 4-Strap ICRF Antenna with HFSS Cod

1 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 2 Max-Planck Institute for Plasma Physics, Garching, Germany

Funds: supported by the National Magnetic Confinement Fusion Science Program of China (No. 2015GB101001) and National Natural Science Foundation of China (Nos.11375236 and 11375235)

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Received Date: February 23, 2014

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Abstract

Abstract

A new ICRF antenna has been designed in EAST, whose aims are to reduce the parallel RF electric fields E_Ⅱ and to investigate the current drive using the fast magnetosonic wave. This antenna consists of four toroidally spaced radiating straps. The electrical characteristics of the new antenna are estimated by using a three-dimensional electromagnetic commercial code. The S-parameters, RF current distribution and electromagnetic field distribution on and near the 4-strap antenna are analyzed, and the RF potentials influenced by antenna phasing and radial position are investigated.
- ICRF,
- RF sheaths,
- EAST,
- antenna modeling

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