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Division Spotlight
Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
May 2025
Nuclear Technology
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Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
Technical Session|Sponsored by THD
Friday, December 3, 2021|1:00–2:45PM EST |Columbia 11
Session Chair:
Bob Martin
Alternate Chair:
Arturo Cabral
Session Organizer:
Lander Ibarra
Student Assistant:
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SAM Code Validation of Natural Convection in Molten Salt
1:05–1:25PM EST
Jadyn Reis (Texas A&M Univ.), Michael Gorman (Texas A&M Univ.), Brent Hollrah (Texas A&M Univ.), Rodolfo Vaghetto (Texas A&M Univ.), Yassin Hassan (Texas A&M Univ.)
Paper
Validation Effort for the OSU HTTF PG-28 Test Using RELAP5-3D
1:25–1:45PM EST
Joshua K. Halsted (Oregon State Univ.), Izabela Gutowska (Oregon State Univ.)
Preliminary Analysis of Journal Bearings for Molten Salt Pumps
1:45–2:05PM EST
Yuqi Liu (Univ. of New Mexico), Minghui Chen (Univ. of New Mexico)
Preliminary Thermal-Hydraulic Analysis for Heat Pipe Irradiation Test in the MIT Reactor
2:05–2:25PM EST
Aaron S. Epiney (INL), David M. Carpenter (MIT), Justin Johnson (INL)
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