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首页> 外文期刊>Annals of nuclear energy >Experimental benchmarks on kinetic parameters in accelerator-driven system with 100 MeV protons at Kyoto University Critical Assembly
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Experimental benchmarks on kinetic parameters in accelerator-driven system with 100 MeV protons at Kyoto University Critical Assembly

机译：京都大学批判大会上100 MeV质子的加速器驱动系统动力学参数的实验基准

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摘要

Accelerator-driven system experiments with spallation neutrons (100 MeV protons and Pb-Bi target) are carried out in the U-235-fueled and Pb-Bi-zoned core at the Kyoto University Critical Assembly, under a subcritical state ranging between 1160 and 11,556 pcm. In these experiments, measurement of the prompt neutron decay constant and the subcriticality is conducted by the pulsed neutron source (PNS) method and the Feynman-alpha method with the use of optical fiber detectors. The experimental results successfully validate the prompt neutron decay constant and the subcriticality through the deduction of kinetic parameters by both the PNS and the a-fitting methods. The detector position dependency, neutron spectrum and subcriticality measurement methods still remain, however, in these experiments. For onward studies, the experimental benchmarks obtained from these experiments are expected to be involved in the numerical verification of subcriticality on-line monitoring, in the analysis of subcriticality uncertainty and in the deterministic approach to kinetic parameters. (C) 2017 Elsevier Ltd. All rights reserved.
机译：使用散裂中子（100 MeV质子和Pb-Bi靶）进行加速器驱动的系统实验，是在京都大学重要会议的U-235燃料和Pb-Bi分区核中进行的，亚临界状态介于1160到1700之间。 11,556厘米在这些实验中，使用光纤探测器通过脉冲中子源（PNS）方法和费曼-阿尔法（Feynman-alpha）方法对中子迅速衰减常数和亚临界进行测量。实验结果通过PNS和a-fitting方法推导动力学参数，成功地验证了瞬变中子常数和亚临界。但是，在这些实验中，仍然保留了探测器位置依赖性，中子谱和亚临界测量方法。对于后续研究，预期从这些实验中获得的实验基准将参与亚临界在线监测的数值验证，亚临界不确定性的分析以及动力学参数的确定性方法。 （C）2017 Elsevier Ltd.保留所有权利。

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  • 来源
    《Annals of nuclear energy》 |2017年第7期|346-354|共9页
  • 作者

    Pyeon Cheol Ho; Yamanaka Masao; Endo Tomohiro; van Rooijen Willem Fredrik G.; Chiba Go;

  • 作者单位

    Kyoto Univ, Inst Res Reactor, Nucl Engn Sci Div, Kumatori, Osaka 5900494, Japan;

    Kyoto Univ, Grad Sch Energy Sci, Dept Fundamental Energy Sci, Sakyo Ku, Kyoto 6068501, Japan;

    Nagoya Univ, Grad Sch Engn, Div Quantum Sci & Energy Engn, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan;

    Univ Fukui, Res Inst Nucl Engn, Kanawa Cho, Tsuruga, Fukui 9140055, Japan;

    Hokkaido Univ, Grad Sch Engn, Div Energy & Environm Syst, Kita Ku, Kita 13,Nishi 8, Sapporo, Hokkaido 0608628, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ADS; KUCA; Kinetic parameters; 100 MeV protons; Pb-Bi target;

    机译：ADS;KUCA;运动学参数;100 MeV质子;Pb-Bi靶;

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