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Avancées de la recherche en matière d'application du cycle de Brayton au CO₂ supercritique aux systèmes de réacteurs : une synthèse.

Research advances in the application of the supercritical CO₂ Brayton cycle to reactor systems: a review.

Auteurs : XIAO Y., ZHOU Y., YUAN Y., HUANG Y., TIAN G.

Type d'article : Article de périodique, Synthèse

Résumé

Amid the global emphasis on efficient power conversion systems under the “dual carbon” policy framework, the supercritical CO₂ (SCO₂) Brayton cycle is a noteworthy subject, owing to its pronounced efficiency, compact design, economic viability, and remarkable potential to increase the thermal cycle efficiency of nuclear reactors. However, its application across various nuclear reactor loops presents divergent challenges, complicating system design and analytical processes. This paper offers a thorough insight into the latest research on the SCO₂ Brayton cycle, particularly emphasising its integration within directly and indirectly cooled nuclear reactors. The evolution of the Brayton cycle in nuclear reactor systems has been meticulously explored, focusing on its structural dynamics, key components, and inherent pros and cons associated with distinct reactor loops. Based on the theoretical frameworks and empirical findings related to turbomachinery and heat exchangers within the cycle, we chart a course for future enquiries into its critical components, underscoring the indispensable role of experimental investigations. This paper conclusively assesses the feasibility of deploying the SCO₂ Brayton cycle in direct and indirect cooling contexts, offering a forward-looking perspective on its developmental trajectory. The SCO₂ Brayton cycle may become a focal point for research, potentially creating avenues for nuclear energy endeavours.

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Pages : 23 p.

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Détails

Titre original : Research advances in the application of the supercritical CO₂ Brayton cycle to reactor systems: a review.
Identifiant de la fiche : 30032180
Langues : Anglais
Sujet : Technologie
Source : Energies - vol. 16 - n. 21
Éditeurs : MDPI
Date d'édition : 11/2023
DOI : http://dx.doi.org/https://doi.org/10.3390/en16217367

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Indexation

Thèmes : Systèmes à éjection, cycle à air, cycle Stirling, autres cycles;
Autres applications industrielles
Mots-clés : Énergie nucléaire; Génie nucleaire; Brayton; Cycle thermodynamique; Système indirect; Synthèse; État supercritique; Propriété thermique; Propriété thermodynamique; Turbine; Échangeur de chaleur