Experimental study of neutron flux distribution on HT-7 superconducting tokamak

CHEN Juequan ZHU Yubao FU Yanzhang ZHONG Guoqiang

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Experimental study of neutron flux distribution on HT-7 superconducting tokamak

更新时间：2021-03-12

- Experimental study of neutron flux distribution on HT-7 superconducting tokamak
- NUCLEAR TECHNIQUES Issue 10, (2006)
- 作者机构：
  
  1. 中国科学院等离子体物理研究所
  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：
  
  国家自然科学基金项目(10305013);中国科学院合肥物质科学研究院院长基金项目(20020601)资助
- DOI：
  CLC： TL631.24
- Published：01 October 2006
- 稿件说明：
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[1]陈珏铨,朱玉宝,傅彦彰,钟国强.HT-7超导托卡马克装置上中子通量分布的实验研究[J].核技术,2006(10):746-749.

CHEN Juequan ZHU Yubao FU Yanzhang ZHONG Guoqiang. Experimental study of neutron flux distribution on HT-7 superconducting tokamak[J]. Nuclear techniques, 2006, (10): 746-749.
[1]陈珏铨,朱玉宝,傅彦彰,钟国强.HT-7超导托卡马克装置上中子通量分布的实验研究[J].核技术,2006(10):746-749. DOI：

CHEN Juequan ZHU Yubao FU Yanzhang ZHONG Guoqiang. Experimental study of neutron flux distribution on HT-7 superconducting tokamak[J]. Nuclear techniques, 2006, (10): 746-749. DOI：

摘要

本文介绍了HT-7超导托卡马克装置上中子通量分布的测量实验。在实验中

使用了两种有较强抗伽马能力的中子探测系统:BF3和3He正比计数管及其相应的电子学与数据采集。在2005年春季实验中

在相同实验条件下

细致测量并比较研究了真空室外不同水平位置、垂直位置的中子通量。实验研究了真空室窗口和变压器铁芯的存在对测量结果的影响

验证了测量结果与三维数值计算的一致性。本项工作为更深入的物理研究奠定了基础。

Abstract

Measurements of the neutron flux distribution have been performed and presented in this paper. Two kinds of neutron detector system based on high gamma-resistant BF3 and 3He proportional counters

associated electronics and data acquisition system were used in the experiments. In HT-7 2005 spring campaign

the neutron fluxes of different horizontal and vertical positions outside the vacuum vessel were measured and analyzed in detail under the same discharge conditions. The influences of the existence of the vacuum vessel and the iron-core transformer were studied. The consistency between the measurement and the three-dimensional numerical calculations has been proved.

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