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Christophe Journeau
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Proceedings Papers

Aerosol Characterization During Heating and Mechanical Cutting of Simulated Uranium Containing Debris: the URASOL Project in the Framework of Fukushima Daiichi Fuel Debris Removal

Emmanuel Porcheron, Christophe Journeau, Jules Delacroix, Romain Berlemont, Antonin Bouland, Yvan Lallot, Youichi Tsubota, Atsushi Ikeda-Ohno, Takeshi Mitsugi
Proc. ASME. ICEM2023, ASME 2023 International Conference on Environmental Remediation and Radioactive Waste Management, V001T03A003, October 3–6, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ICEM2023-110133
https://doi.org/10.1115/ICEM2023-110133
View Paper titled, Aerosol Characterization During Heating and Mechanical Cutting of Simulated Uranium Containing Debris: the URASOL Project in the Framework of Fukushima Daiichi Fuel Debris Removal
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Topics: Aerosols, Cutting, Fuels, Fukushima nuclear disaster, Japan, 2011, Heating, Laser cutting, Nuclear decommissioning, Uranium
Proceedings Papers

Elemental Analysis and Radioactivity Evaluation of Aerosols Generated During Heating of Simulated Fuel Debris: The URASOL Project in the Framework of Fukushima Daiichi Fuel Debris Removal

Youichi Tsubota, Emmanuel Porcheron, Christophe Journeau, Jules Delacroix, Christophe Suteau, Antonin Bouland, Yvan Lallot, Damien Roulet, Takeshi Mitsugi
Proc. ASME. ICEM2023, ASME 2023 International Conference on Environmental Remediation and Radioactive Waste Management, V001T03A002, October 3–6, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ICEM2023-110064
https://doi.org/10.1115/ICEM2023-110064
View Paper titled, Elemental Analysis and Radioactivity Evaluation of Aerosols Generated During Heating of Simulated Fuel Debris: The URASOL Project in the Framework of Fukushima Daiichi Fuel Debris Removal
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Topics: Aerosols, Fuels, Fukushima nuclear disaster, Japan, 2011, Heating, Radioactivity
Proceedings Papers

Aerosol Mitigation Means for Fukushima Daiichi Fuel Debris Removal

Emmanuel Porcheron, Yohan Leblois, Thomas Gelain, Christophe Journeau, Romain Berlemont, Antonin Bouland, Rémi Delalez
Proc. ASME. ICEM2023, ASME 2023 International Conference on Environmental Remediation and Radioactive Waste Management, V001T03A001, October 3–6, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ICEM2023-109536
https://doi.org/10.1115/ICEM2023-109536
View Paper titled, Aerosol Mitigation Means for Fukushima Daiichi Fuel Debris Removal
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Topics: Aerosols, Coating processes, Coatings, Fuels, Fukushima nuclear disaster, Japan, 2011, Resins, Sprays
Journal Articles

Assessment of Spray and Pool Scrubbing Efficiencies for Means of Mitigation Against Aerosol Dispersion in the Context of Fuel Debris Retrieval at Fukushima Daiichi: Part I

Emmanuel Porcheron, Yohan Leblois, Thomas Gelain, Christophe Chagnot, Christophe Journeau, Damien Roulet
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2022, 8(3): 031701.
Paper No: NERS-20-1177
https://doi.org/10.1115/1.4051611
Published Online: May 26, 2022
View Article titled, Assessment of Spray and Pool Scrubbing Efficiencies for Means of Mitigation Against Aerosol Dispersion in the Context of Fuel Debris Retrieval at Fukushima Daiichi: Part I
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Topics: Aerosols, Sprays, Particulate matter, Laser cutting, Fuels, Water, Drops
Journal Articles

Assessment of Spray and Pool Scrubbing Efficiencies for Means of Mitigation Against Aerosol Dispersion in the Context of Fuel Debris Retrieval at Fukushima Daiichi: Part II

Emmanuel Porcheron, Yohan Leblois, Thomas Gelain, Christophe Chagnot, Christophe Journeau, Damien Roulet
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2022, 8(3): 031702.
Paper No: NERS-21-1064
https://doi.org/10.1115/1.4051538
Published Online: May 26, 2022
View Article titled, Assessment of Spray and Pool Scrubbing Efficiencies for Means of Mitigation Against Aerosol Dispersion in the Context of Fuel Debris Retrieval at Fukushima Daiichi: Part II
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Topics: Aerosols, Particulate matter, Sprays, Laser cutting, Drops, Fuels, Water, Computer simulation, Fukushima nuclear disaster, Japan, 2011
Journal Articles

Ablation of a Solid Material by High-Temperature Liquid Jet Impingement: An Application to Corium Jet Impingement on a Sodium Fast Reactor Core-Catcher

Alexandre Lecoanet, Michel Gradeck, Xiaoyang Gaus-Liu, Thomas Cron, Beatrix Fluhrer, Frédéric Payot, Christophe Journeau, Nicolas Rimbert
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2022, 8(1): 011308.
Paper No: NERS-21-1042
https://doi.org/10.1115/1.4051448
Published Online: August 3, 2021
View Article titled, Ablation of a Solid Material by High-Temperature Liquid Jet Impingement: An Application to Corium Jet Impingement on a Sodium Fast Reactor Core-Catcher
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Topics: Ablation (Vaporization technology), Heat transfer, Melting, Sodium fast reactors, Cavities, High temperature, Ice, Design, Temperature, Water
Proceedings Papers

Deep Gouging Technique for Fuel Debris Retrieval in Fukushima Daiichi

Ioana Doyen, Christophe Chagnot, Christophe Journeau, Emmanuel Porcheron, Thomas Gelain, Damien Roulet
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T04A011, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16701
https://doi.org/10.1115/ICONE2020-16701
View Paper titled, Deep Gouging Technique for Fuel Debris Retrieval in Fukushima Daiichi
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Topics: Fuels, Fukushima nuclear disaster, Japan, 2011, Laser cutting
Proceedings Papers

Implementation and Validation of an Aerosol Collection Model by a Spray in a CFD Code: Application to the Scavenging of Aerosols Released During Laser Cutting Operations of Fuel Debris for the Dismantling of the Damaged Reactors of Fukushima Dai-ichi

Thomas Gelain, Emmanuel Porcheron, Yohan Leblois, Ioana Doyen, Christophe Chagnot, Christophe Journeau, Damien Roulet
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T04A003, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16141
https://doi.org/10.1115/ICONE2020-16141
View Paper titled, Implementation and Validation of an Aerosol Collection Model by a Spray in a CFD Code: Application to the Scavenging of Aerosols Released During Laser Cutting Operations of Fuel Debris for the Dismantling of the Damaged Reactors of Fukushima Dai-ichi
Open the PDF for Implementation and Validation of an Aerosol Collection Model by a Spray in a CFD Code: Application to the Scavenging of Aerosols Released During Laser Cutting Operations of Fuel Debris for the Dismantling of the Damaged Reactors of Fukushima Dai-ichi in another window
Topics: Aerosols, Computational fluid dynamics, Engineering simulation, Fuels, Fukushima nuclear disaster, Japan, 2011, Laser cutting, Simulation, Sprays
Proceedings Papers

Aerosol Source Terms Characterization During Cutting of Fuel Debris Simulants With Different Tools in the Context of Fukushima Daiichi Decommissioning

Emmanuel Porcheron, Claire Dazon, Yohan Leblois, Thomas Gelain, Christophe Chagnot, Ioana Doyen, Christophe Journeau, Christophe Suteau, Damien Roulet
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T04A005, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16181
https://doi.org/10.1115/ICONE2020-16181
View Paper titled, Aerosol Source Terms Characterization During Cutting of Fuel Debris Simulants With Different Tools in the Context of Fukushima Daiichi Decommissioning
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Topics: Aerosols, Cutting, Cutting tools, Fuels, Fukushima nuclear disaster, Japan, 2011, Lasers, Nuclear decommissioning
Proceedings Papers

Modelling of X-Ray Radioscopy for Phase Topology Estimation During Corium Sodium Interaction

Shifali Singh, Nathalie Cassiaut-Louis, Christophe Journeau, Magali Zabiégo, Nicolas Estre, Léonie Tamagno
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A084, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82400
https://doi.org/10.1115/ICONE26-82400
View Paper titled, Modelling of X-Ray Radioscopy for Phase Topology Estimation During Corium Sodium Interaction
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Topics: Modeling, Sodium, Topology, X-rays, Vapors, Explosions, Particulate matter, Simulation, Accidents, Coolants
Proceedings Papers

Analysis of Aerosol Emission and Dispersion During the Laser Cutting of Fukushima Fuel Debris Simulants

Emmanuel Porcheron, Samuel Peillon, Thomas Gelain, Christophe Chagnot, Christophe Journeau, Damien Roulet
Proc. ASME. ICONE26, Volume 7: Decontamination and Decommissioning, Radiation Protection, and Waste Management; Mitigation Strategies for Beyond Design Basis Events, V007T10A010, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81531
https://doi.org/10.1115/ICONE26-81531
View Paper titled, Analysis of Aerosol Emission and Dispersion During the Laser Cutting of Fukushima Fuel Debris Simulants
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Topics: Aerosols, Emissions, Fuels, Fukushima nuclear disaster, Japan, 2011, Laser cutting, Computational fluid dynamics, Containment, Cutting, Lasers, Radioisotopes
Journal Articles

Safest Roadmap for Corium Experimental Research in Europe

Christophe Journeau, Viviane Bouyer, Nathalie Cassiaut-Louis, Pascal Fouquart, Pascal Piluso, Gérard Ducros, Stéphane Gossé, Christine Guéneau, Andrea Quaini, Beatrix Fluhrer, Alexei Miassoedov, Juri Stuckert, Martin Steinbrück, Sevostian Bechta, Pavel Kudinov, Weimin Ma, Bal Raj Sehgal, Zoltan Hozer, Attila Guba, Dario Manara, David Bottomley, Manfred Fischer, Gert Langrock, Holger Schmidt, Monika Kiselova, Jiri Ždarek
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. September 2018, 4(3): 030901.
Paper No: RISK-16-1145
https://doi.org/10.1115/1.4037878
Published Online: December 5, 2017
View Article titled, Safest Roadmap for Corium Experimental Research in Europe
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Topics: Accidents, Fukushima nuclear disaster, Japan, 2011, Water, Safety, Explosions, Nuclear power stations, Reactor vessels, Vessels, Fuels, Steam
Proceedings Papers

SAFEST Roadmap for Corium Experimental Research in Europe

Christophe Journeau, Viviane Bouyer, Nathalie Cassiaut-Louis, Pascal Fouquart, Pascal Piluso, Gérard Ducros, Stéphane Gossé, Christine Guéneau, Andrea Quaini, Beatrix Fluhrer, Alexei Miassoedov, Juri Stuckert, Martin Steinbrück, Sevostian Bechta, Pavel Kudinov, Zoltan Hozer, Attila Guba, Dario Manara, David Bottomley, Manfred Fischer, Gert Langrock, Holger Schmidt, Monika Kiselova, Jiri Ždarek
Proc. ASME. ICONE24, Volume 4: Computational Fluid Dynamics (CFD) and Coupled Codes; Decontamination and Decommissioning, Radiation Protection, Shielding, and Waste Management; Workforce Development, Nuclear Education and Public Acceptance; Mitigation Strategies for Beyond Design Basis Events; Risk Management, V004T14A019, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60916
https://doi.org/10.1115/ICONE24-60916
View Paper titled, SAFEST Roadmap for Corium Experimental Research in Europe
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Topics: Accidents, Failure, Fukushima nuclear disaster, Japan, 2011, Nuclear power stations, Reactor vessels, Safety, Spent nuclear fuels, Stress
Proceedings Papers

Corium Spreading Over Concrete: The Vulcano VE-U7 and VE-U8 Tests

Christophe Journeau, Eric Boccaccio, Pascal Fouquart, Claude Je´gou, Pascal Piluso
Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 3, 413-421, April 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ICONE10-22278
https://doi.org/10.1115/ICONE10-22278
View Paper titled, Corium Spreading Over Concrete: The Vulcano VE-U7 and VE-U8 Tests
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Topics: Concretes, Gases, Ceramics, Erosion, Gates (Closures), Vessels
Proceedings Papers

Interface Stability Criteria for Ex-Vessel Corium Solidification

Kyrill N. Frolov, Michel Duclot, Christophe Journeau
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 825-830, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49529
https://doi.org/10.1115/ICONE12-49529
View Paper titled, Interface Stability Criteria for Ex-Vessel Corium Solidification
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Topics: Solidification, Stability, Vessels, Diffusion (Physics), Equilibrium (Physics), Liquid metals, Nuclear power stations, Accidents, Alloys, Boundary layers