Key technology research on EAST PFCs heat-sink cooling structure

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2010, Vol. 30 ›› Issue (3): 245-249.

• Nuclear Fusion Engineering and Technology • Previous Articles Next Articles

Key technology research on EAST PFCs heat-sink cooling structure

XU Tie-jun, HUANG Sheng-hong, SONG Yun-tao, XIE Han, ZHANG Ping, GAO Da-ming

(1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031; 2. University of Science and Technology of China, Hefei 230026)

Received:2009-11-04 Revised:2010-03-16 Online:2010-09-15 Published:2011-08-18

EAST装置第一壁热沉冷却结构关键工艺的研究

许铁军, 黄生洪, 宋云涛, 谢韩, 张平, 高大明

(1. 中国科学院等离子体物理研究所，合肥 230031；2. 中国科学技术大学，合肥 230026)

作者简介:许铁军(1980-)，男，浙江宁波人，工程师，硕士，主要从事超导托卡马克偏滤器设计与分析工作。

Abstract

Abstract: Cooling effect decline of the plasma facing components (PFCs) due to tube in heat-sink was studied experimentally and numerically. In the same heated wall condition, a heat exchange performance comparison is made among the processing technology of no tube in heat-sink, using high pressure to ensure residual stress between cooper tube and heat-sink, and high temperature vacuum welding. Numerical simulation was carried out, and a reasonable calculation models and parameters were determined. A heat-sink prototype heat exchange performance comparison is made between the processing technology of using high pressure and high temperature vacuum welding, to provide the basis for EAST PFCs cooling structure optimization.

Key words: EAST tokamak, Plasma facing component, Heat-sink, Heat exchange performance, Welding

摘要： 对由埋管引起的面对等离子体第一壁热沉冷却结构冷却效果的下降进行了实验测量与数值模拟。在相同加热源条件下，比较了热沉内光孔、埋管打压胀管及高温真空埋管钎焊三种工艺实验件的换热效率，并与数值模拟的结果进行比较，确定了合理的计算模型和参数。对高场测的热沉原型件，比较了埋管打压胀管和高温真空钎焊连接换热效率，为EAST热沉冷却结构优化提供了依据。

关键词: EAST装置, 面对等离子体部件, 热沉, 热交换, 焊接

CLC Number:

TL334

XU Tie-jun, HUANG Sheng-hong, SONG Yun-tao, XIE Han, ZHANG Ping, GAO Da-ming. Key technology research on EAST PFCs heat-sink cooling structure[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2010, 30(3): 245-249.

许铁军, 黄生洪, 宋云涛, 谢韩, 张平, 高大明. EAST装置第一壁热沉冷却结构关键工艺的研究[J]. 核聚变与等离子体物理, 2010, 30(3): 245-249.

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Key technology research on EAST PFCs heat-sink cooling structure

EAST装置第一壁热沉冷却结构关键工艺的研究

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