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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 FCWMD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Indiana/Iowa
Session Chair:
Jared A. Johnson
Alternate Chair:
Humberto E. Garcia
Session Organizer:
Michael S. Smith
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Perturbations to the 30B-10 Cylinder Criticality Control System
1:00–1:20PM CDT
Zachary Petersen (Univ. Wisconsin, Madison), Aly Gaylard (TAMU), Alex Lang (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division), Cihangir Celik (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division), Walid A. Metwally (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division)
Paper
Improving Transport Efficiency of HALEU Fuel with a Modified Criticality Control System in the 30B-10
1:20–1:40PM CDT
Zachary Petersen (Univ. Wisconsin, Madison), Aly Gaylard (TAMU), Alex Lang (ORNL), Cihangir Celik (ORNL), Walid A. Metwally (ORNL)
Disposal Area Analysis of Alternative Technologies Combining Radionuclide Management Processes and Disposal Options
1:40–2:00PM CDT
Jungho Hur (KAERI), Jang Hong (KAERI), Won-Il Ko (KAERI), Hun Suk Im (KAERI)
An Alternative Guide Tube Configuration of Standard PWR Fuel Assembly for High Power and Burnup Applications
2:00–2:20PM CDT
Assil Halimi (MIT)