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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Aug 2026
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2026
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Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
Technical Session|Sponsored by NCSD
Wednesday, June 18, 2025|10:00–11:45AM CDT|Armitage
Session Chair:
John A. Miller
Alternate Chair:
Amy E. van der Vyver
Session Organizer:
Benjamin Martin
To access paper attachments, you must be logged in and registered for the meeting.
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Importance of the HTC Experiments for High Burnup and Extended Enrichment Fuels in Burnup Credit Criticality Safety Analyses
10:00–10:20AM CDT
Mathieu Dupont (ORNL), Walid A. Metwally (ORNL)
Presented by Travis Greene (ORNL)
Paper
The Effect of 155Gd and 157Gd Evaluations on the LEU-COMP-THERM-054 Benchmark Experiments
10:20–10:40AM CDT
Luiz C. Leal (ORNL), Adimir dos Santos (ORNL), Travis Greene (ORNL), Mathieu Dupont (ORNL)
Preliminary CAAS Coverage Assessment for GNF-A Natrium Fuel Fabrication Facility at 20 wt.% 235U
10:40–11:00AM CDT
James E. Banfield (Global Nuclear Fuel), Lon E. Paulson (GE Hitachi Nuclear Energy)
Presentation Slides (Visible to Attendees)
Similarity Evaluation of the STACY Core to Pseudo Fuel Debris Model
11:00–11:20AM CDT
Shigeki Shiba (Nuclear Regulatory Authority of Japan)
Uncertainty of Structural Material Compositions
11:20–11:40AM CDT
Jeffrey A. Favorite (LANL)