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Conference Spotlight
2025 ANS Winter Conference & Expo
November 8–12, 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
DNFSB’s Summers ends board tenure, extending agency’s loss of quorum
Lee
Summers
The Defense Nuclear Facilities Safety Board, the independent agency responsible for ensuring that Department of Energy facilities are protective of public health and safety, announced that the board’s acting chairman, Thomas Summers, has concluded his service with the agency, having completed his second term as a board member on October 18.
Summers’ departure leaves Patricia Lee, who joined the DNFSB after being confirmed by the Senate in July 2024, as the board’s only remaining member and acting chair. Lee’s DNFSB board term ends in October 2027.
Technical Session|Verification, Validation and Uncertainty Quantification
Tuesday, August 22, 2023|10:45AM–12:25PM EDT|Embassy
Session Chair:
Joshua Kaizer (USNRC)
Session Organizers:
Jinzhao Zhang (Tractebel)
Alternate Chair:
Rui Hu (ANL)
Track Organizer:
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Verification of Transient Phenomena in RELAP5-3D: Part 1 Vessel Boiloff
10:45–11:05AM EDT
Robert P. Martin (BWXT Advanced Technologies)
Paper
Presentation Slides (Visible to Attendees)
Verification of Transient Phenomena in RELAP5-3D: Part 2 Turbomachinery
11:05–11:25AM EDT
Robert P. Martin (BWXT Advanced Technologies), Michael S. Bradbury (Information Systems Laboratories)
Two-Phase Transient Modeling of a Large Scale RCCS with RELAP5-3D
11:25–11:45AM EDT
Zhiee Jhia Ooi (ANL), Qiuping Lv (ANL), Rui Hu (ANL), Matthew Jasica (ANL), Darius Lisowski (ANL)
Assessment of the Choked Flow Model of RELAP5 for the Application of Inverse Quantification Methods
11:45AM–12:05PM EDT
Jordi Freixa (Univ. Politècnica Catalunya), Víctor Martínez-Quiroga (Univ. Politècnica Catalunya), Gregory Perret (Paul Scherrer Institute)
A Methodology to Evaluate the Impact of Physical Distortions on Systems' Code Assessment
12:05–12:25PM EDT
Marcos G. Ortiz (Information Systems Laboratories)
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