影响HL-2M 偏滤器靶板冷却性能的结构参数研究

doi:10.16568/j.0254-6086.201802009

核聚变与等离子体物理 ›› 2018, Vol. 2 ›› Issue (2): 177-183.DOI: 10.16568/j.0254-6086.201802009

影响HL-2M 偏滤器靶板冷却性能的结构参数研究

卢勇，蔡立君*，黄运聪，刘健，刘雨祥，郑国尧

(核工业西南物理研究院，成都 610041)

收稿日期:2017-05-23 修回日期:2018-02-01 出版日期:2018-06-15 发布日期:2018-06-15
作者简介:卢勇(1987-)，男，四川内江人，硕士，主要研究方向为托卡马克装置部件热工水力设计与分析。
基金资助:
国家磁约束核聚变能发展研究专项(2015GB105002)

Studies on structural parameters influencing the cooling performance of HL-2M divertor target plat

LU Yong, CAI Li-jun, HUANG Yun-cong, LIU Jian, LIU Yu-xiang, ZHENG Guo-yao

(Southwestern Institute of Physics, Chengdu 610041)

Received:2017-05-23 Revised:2018-02-01 Online:2018-06-15 Published:2018-06-15

摘要/Abstract

摘要：

在石墨瓦和热沉板可达到的最高温度的优化目标下，基于热传导和对流换热方程，利用CFX软件采用单一参数分析的方法对HL-2M偏滤器石墨瓦厚度、热沉板内管道中心位置、管道直径、石墨瓦与热沉板接触热阻等关键结构设计变量进行了数值仿真及分析。研究结果表明：石墨瓦厚度为25mm时，HL-2M偏滤器冷却性能最佳；热沉板内管道中心离靶板表面越远，其热交换性能越差，且近似呈线性关系；热沉板内管道直径增大，对偏滤器冷却性能略有提高；石墨瓦与热沉板之间传热系数越大，偏滤器冷却性能有所改善，但对热沉板的热冲击越大。

关键词: HL-2M偏滤器, 偏滤器靶板冷却, 传热结构优化

Abstract:

The maximum temperature of the graphite tile and heat sink plate is employed as the main
optimization goals. Based on heat conduction and convective heat exchange equations, some key design
parameters of HL-2M divertor, such as the thickness of the graphite tile, the center position and the diameter of
the cooling channel, the contacting thermal resistance of the interface between the graphite tile and the heat sink,
etc are simulated and optimized, utilizing CFX software. The results show that the thickness of the graphite tile
about 25mm is the best for HL-2M divertor cooling performance; the cooling performance of the divertor
decreases slightly when the distance from the center of the cooling channel in the heat sink to the graphite surface
increases, exhibiting an approximate linear correlation; the divertor cooling performance is improved slightly
when the diameter of cooling channel increases, the cooling performance of divertor is improved when the
contacting thermal transfer coefficient of the interface between the graphite tile and the heat sink plate increases,
but the thermal impact on the heat sink plate is more severe.

Key words: HL-2M divertor, Divertor target plat cooling, Heat transfer structure optimization

中图分类号:

TL62+1

卢勇，蔡立君，黄运聪，刘健，刘雨祥，郑国尧. 影响HL-2M 偏滤器靶板冷却性能的结构参数研究[J]. 核聚变与等离子体物理, 2018, 2(2): 177-183.

LU Yong, CAI Li-jun, HUANG Yun-cong, LIU Jian, LIU Yu-xiang, ZHENG Guo-yao. Studies on structural parameters influencing the cooling performance of HL-2M divertor target plat[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2018, 2(2): 177-183.

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影响HL-2M 偏滤器靶板冷却性能的结构参数研究

Studies on structural parameters influencing the cooling performance of HL-2M divertor target plat

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