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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 THD
Wednesday, June 18, 2025|10:00–11:45AM CDT|Chicago Ballroom B
Session Chair:
Guanyi Wang (ANL)
Alternate Chair:
Adam Dix (NNL)
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Helium Air Mixing in Steam Generator Cavity of High Temperature Gas Reactors
10:00–10:20AM CDT
Abdullah S. Abubakar (City College of New York), Masahiro Kawaji (City College of New York)
Paper
Natural Circulation Flow in a Simulated Reactor Core of HTGR
10:20–10:40AM CDT
Margulan Tursynkhan (The City College of New York), Abdullah Abubakar (The City College of New York), Masahiro Kawaji (The City College of New York)
Some Hazards and Mitigation Considerations for Molten Halide Salt Experiments
10:40–11:00AM CDT
Kevin R. Robb (ORNL), Joanna McFarlane (ORNL)
Experimental Investigation of Additively Manufactured Helically Rifled Tubing for Molten Salt Heat Exchangers
11:00–11:20AM CDT
Ryan P. McGuire (Virginia Commonwealth Univ.), Andrew Hutsell (Virginia Commonwealth Univ.), James Vulcanoff (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)
Development Toward an In-Situ Thermal Conductivity Measurement Device for Nuclear Reactors
11:20–11:40AM CDT
Jacob Numbers (Brigham Young Univ.), Andrew Christensen (Brigham Young Univ.), Tyler Hamm (Brigham Young Univ.), McKay Sumsion (Brigham Young Univ.), Spencer Larson (Brigham Young Univ.), Ryan Ruth (Brigham Young Univ.), Troy Munro (Brigham Young Univ.)