Speaker
Prof.
Ouadie kabach
(Laboratory of Materials and Subatomic Physics, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco.)
Summary
This study explores the use of dual-cooled annular duplex (ThO₂–PuO₂) fuel in pressurized water small modular reactors (PW-SMRs) to address uranium shortages and growing energy needs. Using DRAGON and OpenMC neutronic simulations, the research optimizes the inner moderator radius to enhance reactivity while maintaining fuel volume. Results show that PuO₂–ThO₂ fuels provide a smoother and slower decline in reactivity, allowing for longer fuel cycles and better resource utilization. Moreover, safety analyses confirm negative temperature coefficients, indicating good safety performance and highlighting the sustainability and economic advantages of thorium–plutonium fuels in next-generation SMR designs such as NuScale and AP300.
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Authors
Dr
Oumaima Taibi
(Laboratory of Materials and Subatomic Physics, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco.)
Prof.
Ouadie kabach
(Laboratory of Materials and Subatomic Physics, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco.)
Co-authors
Prof.
El Mahjoub Chakir
(Laboratory of Materials and Subatomic Physics, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco.)
Prof.
mohamed gouighri
(Laboratory of Materials and Subatomic Physics, Faculty of Sciences, Ibn Tofail University, Kenitra, Morocco.)
Prof.
Sinem Uzun
(Faculty of Engineering and Architecture, Erzincan Binali Yıldırım University, Erzincan, Türkiye)
