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Feasibility and benefits of converting the Iranian heavy water reactor IR-40 to a more proliferation-resistant reactor

机译：将伊朗重水反应堆IR-40转变为更具扩散性的反应堆的可行性和好处

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摘要

This thesis examines a policy proposal presented by former Deputy Director-General for Safeguards in the International Atomic Energy Agency, Olli Heinonen, as a means to get Iran back to the negotiation table over its nuclear program. He proposes modifying the Iranian heavy water research reactor IR-40, so that it uses low enriched uranium instead of natural uranium as fuel, thereby making the reactor less suitable for weapons-grade plutonium production, and more suitable for useful radioisotope production. This thesis concretizes Heinonen’s proposal, suggesting a conversion of the IR-40 reactorfrom using natural uranium to using low enriched uranium fuel. The original reactor, as well as the proposed modified reactor is modeled using SCALE 6.1, a reactor simulation program developed by Oak Ridge National, to determine if this conversion is feasible, and to estimate the potential for plutonium and radioisotope production in both configurations. Various methods are used to estimate the current design of the reactor and use the parametersdeduced for that reactor as a basis for a converted reactor. A proposal is also made to cap Iran’s enrichment capacity to a level where Iran can replace the yearly demand for the converted IR-40 reactor with enriched uranium. This could ease tensions regarding Iran’s enrichment program and the focus of diplomacy could shift to confidence building betweenIran and the IAEA.
机译：本文研究了国际原子能机构前负责安全保障的副总干事奥利·海农宁（Olli Heinonen）提出的一项政策建议，以此作为使伊朗回到其核计划谈判桌上的一种手段。他提议对伊朗重水研究堆IR-40进行改造，使其使用低浓缩铀而不是天然铀作为燃料，从而使该反应堆不太适合用于武器级p的生产，而更适合于有用的放射性同位素的生产。该论文具体体现了Heinonen的建议，建议将IR-40反应堆从使用天然铀转变为使用低浓铀燃料。原始反应堆以及拟议的改进反应堆均使用橡树岭国家实验室开发的SCALE 6.1模拟模型进行建模，以确定这种转化是否可行，并估算两种配置中and和放射性同位素生产的潜力。各种方法被用来估计反应器的当前设计，并且使用为该反应器推导的参数作为转化反应器的基础。还提出了将伊朗的浓缩能力限制在一定水平的提议，伊朗可以用浓缩铀代替对转换后的IR-40反应堆的年度需求。这可以缓解有关伊朗浓缩计划的紧张局势，而外交的重点可以转移到伊朗与国际原子能机构之间的建立信任。

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    Willig Thomas Mo;

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  • 年度 2012
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  • 正文语种 eng
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