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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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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 FED
Friday, December 3, 2021|3:05–4:50PM EST |Columbia 1
Session Chair:
Paul P. Wilson
Alternate Chair:
Lauren M. Garrison
Session Organizer:
Student Assistant:
Gary Garcia Montes
To access the session recording, you must be logged in and registered for the meeting.
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To access paper attachments, you must be logged in and registered for the meeting.
Optimization of a Simplified ARC Reactor Design Through Coupled Neutronics, Thermal Hydraulics Modeling
3:10–3:30PM EST
Jack Fletcher (ORNL), Jin Whan Bae (ORNL), Arpan Sircar (ORNL), Vittorio Badalassi (ORNL)
Paper
Multi-Physics Simulations for Fusion Reactor Blankets
3:30–3:50PM EST
Arpan Sircar (ORNL), Jin Whan Bae (ORNL), Vittorio Badalassi (ORNL), Ethan Peterson (MIT)
Simplified Neutronics Analysis of Solid Breeder Concepts for the FESS-FNSF
3:50–4:10PM EST
Felipe Santos-Novais (Univ. of Tennessee, Knoxville), Nicholas R. Brown (Univ. of Tennessee, Knoxville), G. Ivan Maldonado (Univ. of Tennessee, Knoxville)