The rigorous-2-step calculation of shutdown dose rates for nuclear fusion devices

CHEN Yixue WU Yican Fischer U

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The rigorous-2-step calculation of shutdown dose rates for nuclear fusion devices

更新时间：2021-03-12

- The rigorous-2-step calculation of shutdown dose rates for nuclear fusion devices
- NUCLEAR TECHNIQUES Issue 10, (2003)
- 作者机构：
  
  1. 中国科学院等离子体物理研究所
  2. Forschungszentrum Karlsruhe Germany,合肥,230031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL63
- Published：01 October 2003
- 稿件说明：
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[1]陈义学,吴宜灿,Fischer U.核聚变装置停机剂量率分析计算的严格两步(R2S)法[J].核技术,2003(10):763-766.

CHEN Yixue WU Yican Fischer U. The rigorous-2-step calculation of shutdown dose rates for nuclear fusion devices[J]. Nuclear techniques, 2003, (10): 763-766.
[1]陈义学,吴宜灿,Fischer U.核聚变装置停机剂量率分析计算的严格两步(R2S)法[J].核技术,2003(10):763-766. DOI：

CHEN Yixue WU Yican Fischer U. The rigorous-2-step calculation of shutdown dose rates for nuclear fusion devices[J]. Nuclear techniques, 2003, (10): 763-766. DOI：

摘要

在三维蒙特卡罗粒子输运程序MCNP的基础上

发展了一种用于几何结构复杂的核聚变装置如托卡马克装置停机剂量率的精确计算方法——严格两步法（R2S）。首先对R2S方法进行描述

然后在ITER停机剂量率实验T426的基础上进行校核计算

并与“直接一步法”（D1S）进行了比较分析

结果显示

R2S方法与实验吻合得非常好

最大误差大约为15％

而且

相对于D1S方法（最大误差为25％）而言更准确。

Abstract

A rigorous 2-step (R2S) method has been developed to calculate the shutdown dose rates in full three-dimensional geometry. Based on the Monte Carlos code MCNP and automated interfaces

this method has been successfully validated by the ITER shutdown dose rate experiment T-426 and compared with the direct 1-step (D1S) method. Both methods show good agreement with the experiment and R2S gives more reliable estimation compared to D1S. The results imply that R2S method can be applied in shutdown dose rates calculation of large and complex nuclear fusion devices.

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