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Impacto del uso de combustibles Accident Tolerant Fuels (ATF) en la seguridad y gestión del ciclo de combustible en reactores LWR

Impacto del uso de combustibles Accident Tolerant Fuels (ATF) en la seguridad y gestión del ciclo de combustible en reactores LWR

Abstract

[ES] Los combustibles tolerantes a accidentes (Accident Tolerant Fuels, ATF) constituyen una de las líneas más innovadoras en el desarrollo de tecnología nuclear de nueva generación, orientada a incrementar la seguridad intrínseca de los reactores de agua ligera (LWR). El presente Trabajo Fin de Máster analiza el impacto técnico y operativo derivado de la introducción de diversos conceptos ATF en reactores LWR típicos. A través de una revisión del estado del arte, una modelización térmica y neutrónica simplificada, y una comparación con el combustible convencional UO₂ Zircaloy, se evalúan los efectos de estos combustibles sobre la seguridad en condiciones normales y accidentales, el rendimiento del núcleo, y la gestión del ciclo del combustible, incluyendo la generación de residuos radiactivos. Asimismo, se identifican escenarios de adopción óptimos y se discuten las implicaciones para su posible implementación industrial.

[EN] Accident Tolerant Fuels (ATF) represent one of the most promising innovations in the field of next generation nuclear technology, aimed at enhancing the intrinsic safety of light water reactors (LWRs). This Master's Thesis evaluates the technical and operational impact of incorporating several ATF concepts into typical LWRs. Based on a thorough literature review, simplified thermal and neutronic modelling, and comparative analysis with traditional UO₂-Zircaloy fuel, the study assesses the influence of ATFs on safety under normal and accident conditions, core performance, and spent fuel management, including radioactive waste generation. Furthermore, optimal deployment scenarios are proposed, and key aspects for industrial implementation are discussed.

[EU] Istripuekiko tolerantzia duten erregaiak (Accident Tolerant Fuels, ATF) belaunaldi berriko teknologia nuklearrean berrikuntza handienetako bat dira, erreaktoreen segurtasun intrintsekoa handitzeko helburuarekin, bereziki ur arineko erreaktoreetan (LWR). Master Amaierako Lan honetan, ATF kontzeptu ezberdinen LWR erreaktoreetan ezarpenak izan ditzakeen inpaktu tekniko eta operatiboak aztertzen dira. Horretarako, bibliografia-azterketa zabala, modelizazio neutroiko eta termikoa eta ohiko erregaiaren (UO₂-Zircaloy) aurkako konparazioa egiten dira. Lanak aztertzen du erregai hauek nola eragiten duten segurtasunean, eraginkortasunean eta hondakin erradioaktiboen kudeaketan. Azkenik, ezarpen industrialerako aukerak eta erronkak ere aztertzen dira.

Country
Spain
  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green