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Shutdown dose rate calculation code system and its application to EAST tokamak

机译：关机剂量率计算代码系统及其在EAST托卡马克中的应用

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摘要

For safe operation and maintenance of nuclear devices, it is very important to predict the dose rate distribution after shutdown. Based on the rigorous two-step (R2S) method, a new shutdown dose rate calculation code system was developed for nuclear devices with large dimension and complex geometries. By coupling the Monte Carlo particle transport calculation code MCNP with the activation simulation code FISPACT, the dose rate calculation codes integrate the functions of neutron transport calculation, activation calculation and decay gamma transport calculation. This code system was applied to the shutdown dose analysis for experimental advanced superconducting tokamak (EAST). Three-dimensional dose rate distributions of the EAST for different cooling times and spatial locations were obtained. The results can be used to assist radiation protection in EAST.
机译：为了安全地操作和维护核装置，预测停机后的剂量率分布非常重要。基于严格的两步法（R2S），针对具有大尺寸和复杂几何形状的核装置开发了一种新的停机剂量率计算代码系统。通过将蒙特卡洛粒子传输计算代码MCNP与激活模拟代码FISPACT结合使用，剂量率计算代码整合了中子传输计算，激活计算和衰变伽马传输计算的功能。该代码系统应用于实验先进超导托卡马克（EAST）的停机剂量分析。获得了不同冷却时间和空间位置的EAST的三维剂量率分布。结果可用于辅助EAST中的辐射防护。

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  • 来源
    《Fusion Engineering and Design》 |2012年第8期|p.1315-1318|共4页
  • 作者

    Liangliang Wu; Qi Yang; Jun Zou; Guozhong Wang; Tao He;

  • 作者单位

    Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China,School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China;

    Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China,School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China;

    Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China,Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China;

    Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China,School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China;

    Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China,School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    shutdown dose rates; two step method; automatic coupling; experimental advanced superconducting; tokamak;

    机译：关闭剂量率;两步法自动耦合;实验先进的超导;托卡马克;

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