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NUCLEAR FUEL ASSEMBLY HAVING MOX RODS AND MOX-GADOLINIA RODS

机译:核燃料混合物具有MOX棒和MOX-GADOLINIA棒

摘要

The invention provides advantageous fuel assembly configurations for mixed oxide fuels. Neutron poisons are provided within the MOX of certain fuel rods in the fuel assembly, those fuel rods being preferentially grouped towards the periphery of the fuel assembly. In this way optimised reduction of reactivity is provided during the initial part of the fuel cycle but the neutron poison is burnt out so as not to interfere with the reactivity during subsequent parts of your cycle.
机译:本发明提供了用于混合氧化物燃料的有利的燃料组件构造。在燃料组件中某些燃料棒的MOX内提供了中子毒物,这些燃料棒优先向燃料组件的外围分组。通过这种方式,可以在燃料循环的最初阶段优化降低反应性,但是中子毒物会被燃烧掉,以免在后续循环中干扰反应性。

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