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首页> 外文期刊>Annals of nuclear energy >A conceptual design for a generic heavy water research reactor to a more proliferation-resistant reactor
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A conceptual design for a generic heavy water research reactor to a more proliferation-resistant reactor

机译：通用重水研究反应堆到更抗扩散反应堆的概念设计

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This paper presents a preliminary neutronic conceptual design for a heavy water research reactor core substituting low-enriched uranium fuel for natural uranium dioxide fuel; focusing on reducing the amount of plutonium in the spent fuel. In this study, two core models are proposed and investigated. These result in a smaller core configuration and consequently less plutonium inventory at the end of the cycle. Parameters such as multiplication factors, fuel burn-up, and radial power peaking factor are calculated by the MCNPX2.6 code. The results show that in converted reactor cores the mass of plutonium is decreased about 85% comparing to the main core without substantial changes in the core and fuel dimension. (C) 2017 Elsevier Ltd. All rights reserved.
机译：本文提出了一种重水研究堆堆芯的初步中子学概念设计，该堆堆芯将低浓铀燃料替换为天然二氧化铀燃料。着重于减少乏燃料中of的含量。在这项研究中，提出并研究了两个核心模型。这些导致较小的核心结构，因此在循环结束时减少了inventory的存量。诸如乘数因子，燃料燃耗和径向功率峰值因子之类的参数由MCNPX2.6代码计算。结果表明，与主堆芯相比，转化反应堆堆芯中the的质量减少了约85％，而堆芯和燃料尺寸却没有实质性变化。 （C）2017 Elsevier Ltd.保留所有权利。

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