Christophe Journeau

Commissariat à l'Énergie Atomique et aux Énergies Alternatives

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About

Christophe Journeau is a leading expert in nuclear safety and severe accident research, with a primary focus on corium behavior and debris management. His work is critical to understanding and mitigating the consequences of reactor meltdowns, particularly in the context of the Fukushima Daiichi disaster. Journeau’s major contributions center on the experimental and analytical characterization of molten fuel-coolant interactions and the development of strategies for safe fuel debris retrieval. His highly cited research, including the 2023 paper "Aerosol Mitigation Means for Fukushima Daiichi Fuel Debris Removal," directly addresses the challenge of controlling radioactive aerosol dispersion during corium removal operations. This work, conducted in collaboration with ONET Technologies and CEA, has provided essential data for designing effective mitigation systems. With over 4 citations on this specific study and a broader portfolio of influential publications, Journeau’s impact is evident in the guidance his findings offer to international decommissioning efforts. His achievements have established him as a key figure in post-accident nuclear safety, bridging fundamental research with practical engineering solutions for one of the most complex challenges in the field.