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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
PR: American Nuclear Society welcomes Senate confirmation of Ted Garrish as the DOE’s nuclear energy secretary
Washington, D.C. — The American Nuclear Society (ANS) applauds the U.S. Senate's confirmation of Theodore “Ted” Garrish as Assistant Secretary for Nuclear Energy at the U.S. Department of Energy (DOE).
“On behalf of over 11,000 professionals in the fields of nuclear science and technology, the American Nuclear Society congratulates Mr. Garrish on being confirmed by the Senate to once again lead the DOE Office of Nuclear Energy,” said ANS President H.M. "Hash" Hashemian.
Technical Session|Computational Thermal Hydraulics
Monday, August 21, 2023|3:30–5:10PM EDT|Columbia 9/10
Session Chair:
Thomas Norddine (EdF)
Alternate Chair:
James Vulcanoff (VCU)
Session Organizer:
Igor A. Bolotnov
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2-D URANS Simulation of Liquid Metal Crossflow in Tube Bundle Using Algebraic Heat Flux Model
3:30–3:50PM EDT
Namhyeong Kim (Pohang Univ. Science and Technology), Jae Hyun Choi (Pohang Univ. Science and Technology), Seong Min Shin (Pohang Univ. Science and Technology), Su Won Lee (Pohang Univ. Science and Technology), HangJin Jo (Pohang Univ. Science and Technology)
Paper
LES and RANS Modeling of an 84-pin Hexagonal Rod Bundle with Spacer Grid
3:50–4:10PM EDT
Adam R. Kraus (Penn State), Elia Merzari (Penn State)
Evaluation of RANS vs. LES Simulation of Fluid Flow Through 3x3 Rod Bundle with a Simple Spacer Grid as a Precursor to Coupled Fluid-Structure Interaction Simulations
4:10–4:30PM EDT
Landon Brockmeyer (ANL), Nadish Saini (ANL), Adrian Tentner (ANL), Elia Merzari (Penn State)
Coupled RANS Simulation of Sodium-Cooled Fast Reactor Components Using the Spectral Element Code Nek5000
4:30–4:50PM EDT
Nadish Saini (ANL), Haomin Yuan (ANL), Dillon Shaver (ANL)
Large Eddy Simulation of a 61-Pin Wire-Wrapped Bundle with a Localized Blockage
4:50–5:10PM EDT
Octavio Bovati (TAMU), Yassin A. Hassan (TAMU)
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