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| 引用本文： | 康志成,兰建设,丁立人.EAST�������ߺ���������ѹ��������[J].核聚变与等离子体物理,2007,27(2):141-144. |
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| 作者姓名： | 康志成 兰建设 丁立人 |
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| 作者单位： | ?????1????????2????????3 |
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| 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。
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| 关 键 词： | 超导磁体 电流引线 EAST Fluent |
| 文章编号： | 0254-6086（2007）02-0141-04 |
| 修稿时间： | 2006-07-172007-01-15 |
Calculations of helium pressure drop in the current lead of EAST superconducting magnet |
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| 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. |
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| Authors: | KANG Zhi-cheng LAN Jian-she DING Li-ren |
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| Institution: | (1. Jinggangshan University, Ji’an 343009; 2. Henan Polytechnic Institute, Nanyang 473009; 3. Institute of plasma physics, Chinese Academy of Sciences, Hefei 230031) |
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| 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. |
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| Keywords: | Superconducting magnet Current lead EAST Fluent |
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