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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Nuclear Science and Engineering
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April 2026
Latest News
NRC approves TerraPower construction permit
Today, the Nuclear Regulatory Commission announced that it has approved TerraPower’s construction permit application for Kemmerer Unit 1, the company’s first deployment of Natrium, its flagship sodium fast reactor.
This approval is a significant milestone on three fronts. For TerraPower, it represents another step forward in demonstrating its technology. For the Department of Energy, it reflects progress (despite delays) for the Advanced Reactor Demonstration Program (ARDP). For the NRC, it is the first approval granted to a commercial reactor in nearly a decade—and the first approval of a commercial non–light water reactor in more than 40 years.
Technical Session|New and Advanced Reactors
Wednesday, August 23, 2023|1:30–3:10PM EDT|Cardozo
Session Chair:
Emre Tatli (Westinghouse)
Alternate Chair:
Ling Zou (ANL)
Session Organizer:
Rui Hu (ANL)
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Development of Numerical Analysis Method of Oxygen Concentration near Wall of Lead-Bismuth Eutectic Channel
1:30–1:50PM EDT
N. Kondo (Japan Atomic Energy Agency), S. Yamashita (Japan Atomic Energy Agency), S. Uesawa (Japan Atomic Energy Agency), K. Nishihara (Japan Atomic Energy Agency), H. Yoshida (Japan Atomic Energy Agency)
Paper
Presentation Slides (Visible to Attendees)
lbh15: A Python Package Implementing Lead, Bismuth, and Lead-Bismuth Eutectic Thermophysical Properties for Fast Reactor Applications
1:50–2:10PM EDT
Daniele Panico (newcleo), Daniele Tomatis (newcleo)
IAEA's Coordinated Research Projects and Activities on Thermal Hydraulics of Fast Reactors
2:10–2:30PM EDT
Nikoleta Morelova (IAEA), Vladimir Kriventsev (IAEA), Tyler Sumner (ANL), Anton Moisseytsev (ANL), Florent Heidet (ANL), David W. Wootan (PNNL), A. M. Casella (PNNL), J. V. Nelson (PNNL), Ivan Di Piazza (ENEA), H. Hassan (ENEA), Pierdomenico Lorusso (ENEA), Daniele Martelli (ENEA)
Research on Fuel Element Positioning Structure and Heat Transfer Characteristics of the Lead-Bismuth Cooled Fast Reactor
2:30–2:50PM EDT
Linna Feng (Xi’an Jiaotong Univ.), Chao Guo (NPIC), ZhengYu Qian (Xi’an Jiaotong Univ.), Di Yun (Xi’an Jiaotong Univ.)
Presentation Slides (Visible to Attendees) — 40719
Presentation Video (Visible to Attendees) — 40719
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