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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
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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
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Fusion Science and Technology
Latest News
El Salvador: Looking to nuclear
In 2022, El Salvador’s leadership decided to expand its modest, mostly hydro- and geothermal-based electricity system, which is supported by expensive imported natural gas and diesel generation. They chose to use advanced nuclear reactors, preferably fueled by thorium-based fuels, to power their civilian efforts. The choice of thorium was made to inform the world that the reactor program was for civilian purposes only, and so they chose a fuel that was plentiful, easy to source and work with, and not a proliferation risk.
Technical Session|Sponsored by NCSD
Friday, December 3, 2021|10:00–11:45AM EST |Gunston
Session Chair:
Vladimir Sobes
Session Organizer:
Alternate Chair:
Michael A. Fendler
Student Assistant:
Gavin VanderBroder
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Fissile Discharge to Unfavorable Geometries: NCS Controls for a Calciner Off-Gas System
10:05–10:25AM EST
Frank J. Sweeney (Y-12 National Security Complex), Spencer P. Jordan (Y-12 National Security Complex), Christopher A. Belk (Y-12 National Security Complex)
Paper
Critical Parameters of Actinide Nuclides Computed Using ENDF/B-VI, VII.0, VII.1, and VIII.0 Cross Sections
10:25–10:45AM EST
Richard G. Taylor (Univ. of Tennessee, Knoxville)
Validation of KENO Delayed Neutron Fraction Capabilities
10:45–11:05AM EST
Alex Shaw (ORNL), William Marshall (ORNL)
Bayesian Monte Carlo Evaluation Framework for Imperfect Nuclear Data
11:05–11:25AM EST
Jesse M. Brown (ORNL), Goran Arbanas (ORNL), Andrew Holcomb (ORNL), Dorothea Wiarda (ORNL)
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