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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
Senate EPW Committee to hold Nieh nomination hearing
Nieh
The Senate Environment and Public Works Committee will hold a nomination hearing Wednesday for Ho Nieh, President Donald Trump’s nominee to serve as commission at the Nuclear Regulatory Commission.
Trump nominated Nieh on July 30 to serve as NRC commissioner the remainder of a term that will expire June 30, 2029, as Nuclear NewsWire previously reported.
Nieh has been vice president of regulatory affairs at Southern Nuclear since 2021, though since June 2024 he has been at the Institute of Nuclear Power Operations as a loaned executive.
A return to the NRC: If confirmed by the Senate, Nieh would be returning to the NRC after three previous stints totaling nearly 20 years.
Technical Session|New and Advanced Reactors
Tuesday, August 22, 2023|10:45AM–12:25PM EDT|Columbia 3/4
Session Chair:
Paolo Balestra (INL)
Alternate Chair:
Sunming Qin (INL)
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Modeling the Prismatic HTGR Core in SAM by Representative Channels
10:45–11:05AM EDT
Taiyang Zhang (Univ. Illinois, Urbana-Champaign), Thanh Hua (ANL), Zhiee Jhia Ooi (ANL), Ling Zou (ANL), Caleb S. Brooks (Univ. Illinois, Urbana-Champaign)
Paper
A Demonstration of the Risk-Informed NEI 18-04 Design Evaluation Model for the Modular High Temperature Gas Reactor
11:05–11:25AM EDT
Cesare Frepoli (FPoliSolutions), Stephen A. Heagy (FPoliSolutions), Jarrett Valeri (FPoliSolutions), Robert P. Martin (BWXT Advanced Technologies), Curtis L. Smith (INL), Kurt G. Vedros (INL)
Analysis of Flow Area in the Axial Cross-Vessel Annular Duct Following a Breach of the Primary Helium Boundary of an HTGR
11:25–11:45AM EDT
Silvino A. Balderrama Prieto (INL), David J. Arcilesi (Univ. Idaho)
Optimization of the Emergency Coolant Injection System of ALLEGRO
11:45AM–12:05PM EDT
Boris Kvizda (VUJE), Slavomír Bebjak (VUJE)
High-Fidelity Simulation of Pebble Beds: Toward an Improved Understanding of the Wall Channeling Effect
12:05–12:25PM EDT
David Reger (Penn State), Elia Merzari (Penn State), Saya Lee (Penn State), Paolo Balestra (INL), Yassin A. Hassan (TAMU)
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