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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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
November 2025
Nuclear Technology
Fusion Science and Technology
October 2025
Latest News
Amazon provides update on its Washington project with X-energy
A year ago this month, Amazon led a $500 million investment in X-energy, alongside Citadel founder Ken Griffin, the University of Michigan, and other investors. In addition to that financing, Amazon pledged to support the development of an initial four-unit, 320-MW project with Energy Northwest in Washington state.
Technical Session
Monday, October 4, 2021|1:20–3:00PM EDT
Session Chair:
Tara Pandya (ORNL)
Session Organizer:
Dmitriy Y. Anistratov (NC State Univ.)
Student Producer:
Aaron Tamashiro (Oregon State Univ.)
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The Limited Linear Source Approximation of the Method of Characteristics for Mitigating Negative Sources
1:20–1:45PM EDT
Sooyoung Choi (Univ. of Michigan), Brendan Kochunas (Univ. of Michigan)
Paper
The Legendre Polynomial Axial Expansion Method
1:45–2:10PM EDT
Nicholas F. Herring (Univ. of Michigan), Benjamin S. Collins (ORNL), Thomas J. Downar (Univ. of Michigan)
Linear Source Approximation of Angle Dependent Axial Source for Three-Dimensional Neutron Transport
2:10–2:35PM EDT
Jiwon Choe (Ulsan Nat'l Institute of Science and Technology), Deokjung Lee (Ulsan Nat'l Institute of Science and Technology)
Spatial Adaptive Mesh Refinement Applied to the Slice Balance Approach
2:35–3:00PM EDT
Michael W. Hackemack (Naval Nuclear Laboratory)
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