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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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Latest News
IAEA again raises global nuclear power projections
Noting recent momentum behind nuclear power, the International Atomic Energy Agency has revised up its projections for the expansion of nuclear power, estimating that global nuclear operational capacity will more than double by 2050—reaching 2.6 times the 2024 level—with small modular reactors expected to play a pivotal role in this high-case scenario.
IAEA director general Rafael Mariano Grossi announced the new projections, contained in the annual report Energy, Electricity, and Nuclear Power Estimates for the Period up to 2050 at the 69th IAEA General Conference in Vienna.
In the report’s high-case scenario, nuclear electrical generating capacity is projected to increase to from 377 GW at the end of 2024 to 992 GW by 2050. In a low-case scenario, capacity rises 50 percent, compared with 2024, to 561 GW. SMRs are projected to account for 24 percent of the new capacity added in the high case and for 5 percent in the low case.
Technical Session|Methods
Wednesday, April 24, 2024|1:30–3:15PM PDT|Continental Ballroom 1
Session Chair:
Ken-ichi Tada (Japan Atomic Energy Agency)
Alternate Chair:
Marie-Anne Descalle (LLNL)
Session Organizer:
Go Chiba (Hokkaido University)
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Neutron Shielding Calculation with the ACE-FRENDY-CBZ Sequence
1:30–1:50PM PDT
Go Chiba (Hokkaido Univ.)
Paper
Multigroup Cross-Section Data Processing for Deterministic Electron-Transport Calculation
1:50–2:10PM PDT
Xiaoying Li (Xi’an Jiaotong Univ.), Yunzhao Li (Xi’an Jiaotong Univ.), Ruizhi Shao (Xi’an Jiaotong Univ.), Ning Xu (Xi’an Jiaotong Univ.), Liangzhi Cao (Xi’an Jiaotong Univ.), Tiejun Zu (Xi’an Jiaotong Univ.), Yilin Liang (Xi’an Jiaotong Univ.), Junwei Qin (Xi’an Jiaotong Univ.), Wei Shen (CANDU Owners Group)
Analytic Sensitivity Coefficients for General Multigroup Infinite Medium k-Eigenvalue Problems
2:10–2:30PM PDT
Colin A. Weaver (LANL), Michael E. Rising (LANL), Joel A. Kulesza (LANL), Christopher M. Perfetti (Univ. New Mexico), Pablo A. Vaquer (LANL)
Presentation Slides (Visible to Attendees)
Leveraging the Tensor Train Format for Many Energy Groups Deterministic Neutron Transport
2:30–2:50PM PDT
Mario I. Ortega (LANL), Duc P. Truong (LANL)
Impact of the Multigroup Velocity Approximation in the Evaluation of the Effective Neutron Lifetime
2:50–3:10PM PDT
Giorgio Valocchi (CEA), Jean Tommasi (CEA)
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