Abstract

The article proposes to implement the concept of seed-blanket in SMRs (Small Modular Reactors), providing a comparative analysis of NuScale in terms of the seed-blanket. This comparison reveals variations in its performance and operational characteristics, such as thermal conductivity and temperature management. The integration of uranium and thorium fuel cycles in SMRs, particularly with the inclusion of plutonium in some designs, is seen as a key advancement for sustainable nuclear technology. Thus, the research compares various fuel element configurations, including those combining (U,Th)O2 and (Pu,Th)O2, and the specific design of the NuScale element. These designs highlight the diversity and robustness of fuel elements, offering customized solutions for different reactor needs, thereby improving the safety and effectiveness of nuclear reactors. The results obtained show high conversion rates and sustainable reduction with the self-shielding effect, providing a comprehensive analysis of advances in nuclear reactor technology, focusing on the role of innovative fuel elements in improving operational efficiency, safety, and sustainability in the nuclear energy sector.

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