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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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Nuclear Science and Engineering
December 2025
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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|Computational Thermal Hydraulics
Thursday, August 24, 2023|9:00–10:20AM EDT|Columbia 9/10
Session Chair:
Theodore Chu (VCU)
Alternate Chair:
Lilla Koloszar (VKI)
Session Organizer:
Igor A. Bolotnov
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Large-Eddy Simulation of Mixed Convection Flows in a Rod Bundle: Investigation of an Up-Scaling Methodology from CFD to Subchannel Code Validation
9:00–9:20AM EDT
Vladimir Duffal (EDF R&D), Pierre-Victor Marquet (EDF R&D), Erwan Le Coupanec (EDF R&D), Stéphane Pujet (EDF R&D)
Paper
Application Study of Adaptive Mesh Refinement Method on Unsteady Wake Vortex Analysis
9:20–9:40AM EDT
Haneen Alzahrani (Tokai Univ.), Takaaki Sakai (Tokai Univ.), Kentaro Matsushita (Japan Atomic Energy Agency), Toshiki Ezure (Japan Atomic Energy Agency), Masaaki Tanaka (Japan Atomic Energy Agency)
CFD Simulations of the Step Height Effects on Heat Transfer for a Turbulent Wall Jet Flow in an Unconfined Backward Facing Step Configuration
9:40–10:00AM EDT
H. Ouldrebai (Univ. Sciences and Technology Houari Boumediene), Y. Halouane (Université de Boumerdes), A. Dehbi (Paul Scherrer Institute)
Full-Core Computational Fluid Dynamics Simulations Using NekRS
10:00–10:20AM EDT
Dillon Shaver (ANL), Jun Fang (ANL), Haomin Yuan (ANL), Misun Min (ANL), Elia Merzari (Penn State), Yu-Hsiang Lan (Univ. Illinois, Urbana-Champaign)
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