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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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
Fusion Science and Technology
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 NISD
Wednesday, December 1, 2021|12:30–2:15PM EST |Columbia 11
Session Chairs:
Mihai A. Diaconeasa (NCSU)
Sola Talabi (Pittsburgh Technical)
Alternate Chair:
Askin Guler Yigitoglu (ORNL)
Session Organizer:
Aaron S. Epiney (INL)
This session will include presentations of the technical papers listed below, and the winner of NISD's 2021 Tommy Thompson award, Karl Fleming, will be recognized for his outstanding contributions to the enhancement of nuclear installations safety.
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.
Reliability of Cascade Failure of Heat Pipes in Micro Modular Reactors
12:35–12:55PM EST
Eunseo So (INL), Man Cheol Kim (Chung-Ang Univ.)
Paper
Pathway to Resolving Gaps in Advanced Reactor Mechanistic Source Term
12:55–1:15PM EST
Shayan Shahbazi (ANL), David Grabaskas (ANL)
Enabling Nuclear Deployment in Locations Without Robust Regulatory Institutions Through Technology-Enhanced Regulatory Frameworks
1:15–1:35PM EST
Rohan Biwalkar (Pittsburgh Technical), Sola Talabi (Pittsburgh Technical)
Task Analysis for Human Reliability Analysis of Startup and Shutdown Operation
1:35–1:55PM EST
Woo Seok Jo (Ulsan Nat'l Institute of Science and Technology), Seung Jun Lee (Ulsan Nat'l Institute of Science & Technology)
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