Calculations of helium pressure drop in the current lead of EAST superconducting magnet

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2007, Vol. 27 ›› Issue (2): 141-144.

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Calculations of helium pressure drop in the current lead of EAST superconducting magnet

KANG Zhi-cheng1, LAN Jian-she2, DING Li-ren3

(1. Jinggangshan University, Ji’an 343009; 2. Henan Polytechnic Institute, Nanyang 473009; 3. Institute of plasma physics, Chinese Academy of Sciences, Hefei 230031)

Received:2006-07-17 Revised:2007-01-15 Online:2007-06-15 Published:2011-08-23

EAST电流引线氦气流动的压力降计算

康志成1，兰建设2，丁立人3

康志成1，兰建设2，丁立人3

作者简介:康志成(1967－)，男，湖南省新化县人，博士，副教授，主要从事EAST核聚变装置电流引线设计和机电一体化技术的研究。

Abstract

Abstract:

Helium pressure drop in the current lead of EAST superconducting magnet was calculated using FEA code. The helium model was simplified and divided into a few of segments in calculation, and every two conjoint segments were coupled by the flux boundary condition and pressure boundary condition. Some results obtained were given.

Key words: Superconducting magnet, Current lead, EAST, Fluent

摘要：

用有限元软件Fluent对EAST超导磁体电流引线中氦气流阻进行了计算。计算中对氦气模型进行了简化和分段，相邻两段模型间采用流量边界条件和压力边界条件进行耦合。计算结果表明：氦气的压力降主要集中在靠近室温端；气体模型厚度越薄，氦气压力降越大；通过电流引线的电流越大，氦气的压力降越大；在引线片凸纹的狭窄处氦气速度很大，在靠近室温端时最大可以达到21m•s^-1左右。

关键词: 超导磁体, 电流引线, EAST, Fluent

CLC Number:

TL62+2

KANG Zhi-cheng, LAN Jian-she, DING Li-ren. Calculations of helium pressure drop in the current lead of EAST superconducting magnet[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2007, 27(2): 141-144.

康志成1，兰建设2，丁立人3. EAST电流引线氦气流动的压力降计算[J]. 核聚变与等离子体物理, 2007, 27(2): 141-144.

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Calculations of helium pressure drop in the current lead of EAST superconducting magnet

EAST电流引线氦气流动的压力降计算

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