Design and thermal-hydraulic analysis of helium cooled solid breeder blanket for CFETR

Chao GUO; Yuntao SONG; Mingzhun LEI; Sumei LIU; Kun PEI; Kun XU

doi:10.11889/j.0253-3219.2018.hjs.41.040601

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Design and thermal-hydraulic analysis of helium cooled solid breeder blanket for CFETR

NUCLEAR ENERGY SCIENCE AND ENGINEERING | 更新时间：2021-05-19

- Design and thermal-hydraulic analysis of helium cooled solid breeder blanket for CFETR
- NUCLEAR TECHNIQUES Vol. 41, Issue 4, Article number: 040601(2018)
- 作者机构：
  
  1.中国科学技术大学核科学技术学院合肥 230022
  2.中国科学院等离子体物理研究所合肥 230031
- 作者简介：
- 基金信息：
  
  National Research Project on Nuclear Fusion Energy Development
- DOI：10.11889/j.0253-3219.2018.hjs.41.040601
  CLC： TL62
- Received：05 January 2017，
  
  Revised：30 June 2017，
  
  Published：10 April 2018
- 稿件说明：
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Chao GUO, Yuntao SONG, Mingzhun LEI, et al. Design and thermal-hydraulic analysis of helium cooled solid breeder blanket for CFETR[J]. Nuclear techniques, 2018, 41(4): 040601
DOI：

Chao GUO, Yuntao SONG, Mingzhun LEI, et al. Design and thermal-hydraulic analysis of helium cooled solid breeder blanket for CFETR[J]. Nuclear techniques, 2018, 41(4): 040601 DOI： 10.11889/j.0253-3219.2018.hjs.41.040601.

摘要

基于中国聚变工程实验堆（Chinese Fusion Engineering Testing Reactor，CFETR）提出了一种新型氦冷固态氚增殖包层设计方案。以托卡马克中平面上一块外包层模块为例，系统介绍了该包层概念设计。基于工程流体力学理论，对包层模块内冷却剂的流动特性进行了理论求解。同时采用计算流体动力学（Computational Fluid Dynamics，CFD）软件CFX，对包层模块流体域和固体域进行耦合传热分析，求解得到冷却剂的流动特性和理论计算难以求解的固体域温度场分布。计算结果表明：理论计算与模拟结果吻合程度良好，冷却剂在包层内总压降为243kPa，总温升为194.6℃，运行在合理区间；包层各结构材料在正常运行工况下的温度可以满足材料的最高温度限制要求，为该包层方案的进一步结构优化和安全分析提供参考。

Abstract

Background

To narrow the gap between international thermonuclear experimental reactor (ITER) and a demonstration reactor (DEMO)

a Tokamak device

Chinese fusion engineering test reactor (CFETR) was proposed and is being designed. While the design and discussion of blanket for CFETR is still ongoing.

Purpose

This study aims to present a new conceptual design of a helium cooled solid breeder blanket and to get the results of thermal-hydraulic analysis of the blanket for normal operating conditions.

Methods

The flow characteristic was obtained by theoretical calculation of engineering fluid mechanics and the thermal analysis result was given by fluid-solid coupled finite element analysis using the computational fluid dynamics (CFD) software CFX.

Results

Mass flow rate

mean velocity and pressure drops of coolant in various channels of the blanket were given by the theoretical calculation. Temperature field of the whole blanket module and peak temperature of different functional materials were given by the FEA.

Conclusion

The parameters of coolant are in acceptable range. Rules about temperature limits of different functional materials are followed in normal operating conditions.

关键词

Keywords

references

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