Communication Dans Un Congrès Année : 2025

An overview of ongoing and planned R&D activities in the field of experimental two-phase thermal-hydraulics at CEA IRESNE

Résumé

This article presents key two-phase thermal-hydraulics research activities conducted at the POSEIDON and TOTEM platforms, located at CEA IRESNE in Cadarache. The facilities' capabilities support advancements in nuclear thermal-hydraulics research, with applications in reactor safety and innovation. Current studies include steam generator clogging in Pressurized Water Reactors (PWR) at the COLENTEC facility, aimed at enhancing maintenance and predicting clogging behavior. Passive safety systems development for Small Modular Reactors (SMR) is a significant focus, with tests at the EVEREST and EXOCET facilities evaluating natural circulation cooling efficiency. Research on compact steam generators at the MAGIC-3 and BICHE facilities targets performance improvements for space-efficient reactor designs. Additional studies on fuel cladding corrosion under PWR conditions at the CORAIL and CIRENE test loops contribute to more resilient cladding material development. Upcoming research will involve two-phase natural convection flows at the ANUBIS test rig to understand passive cooling in advanced reactors. The platform will also study subcooled boiling under PWR conditions at the DIOGEN facility to optimize heat transfer and safety margins. Lastly, in the continuity of studies for ASTRID demonstrator project, the PLATEAU and OLYMPE experimental loops could support R&D for Advanced Modular Reactors (AMR), including Sodium-cooled Fast neutron Reactors (SFR) and Molten Salt Reactors (MSR).

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cea-05510425 , version 1 (13-02-2026)

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  • HAL Id : cea-05510425 , version 1

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Jimmy Martin, Philippe Aubert, Stephane Bantiche, Manon Bottin, Jerome Brinster, et al.. An overview of ongoing and planned R&D activities in the field of experimental two-phase thermal-hydraulics at CEA IRESNE. NURETH-21 - 21st International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Aug 2025, Busan, South Korea. ⟨cea-05510425⟩
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