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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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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Nov 2025
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Nuclear Science and Engineering
December 2025
Nuclear Technology
Fusion Science and Technology
November 2025
Latest News
Nieh confirmed for the NRC
Nieh
Earlier today, the U.S. Senate officially confirmed Ho Nieh in a 66–32 vote to serve as a commissioner on the U.S. Nuclear Regulatory Commission through the remainder of a term that will expire June 30, 2029. All present Republicans, alongside 15 Democrats and one Independent, cast their votes in favor of Nieh, who was nominated by President Trump in July and fills the seat left vacant following the dismissal of former commissioner Christopher Hanson.
NRC details: The commission leading the NRC now comprises four members. Nieh joins Chair David Wright and commissioners Bradley Crowell and Matthew Marzano. One spot remains unfilled after the resignation of Annie Caputo in July. President Trump nominated Douglas Weaver earlier this month to fill Caputo’s seat.
Technical Session|Sponsored by OPD
Wednesday, November 20, 2024|8:00–9:45AM EST|Grouper
Session Chair:
Kenny Fossum (INL)
Alternate Chair:
Mohammad Amer Allaf (Univ. Wisconsin, Madison)
Session Organizer:
William N. Mann
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Direct Contact Condensation Effects in Water-Cooled SMR Systems
8:00–8:20AM EST
Kenneth Lee Fossum (INL), Piyush Sabharwall (INL), Clay Lietwiler (Holtec Int'l)
Paper
The Fuel-Clad Transient Behavior of Uprated NuScale Using MELCOR
8:20–8:40AM EST
Mohammad Amer Allaf (Univ. Wisconsin, Madison), Émile Zaccomer (École Polytechnique), Grace Ejnik (Univ. Wisconsin, Madison), WooHyun Jung (Univ. Wisconsin, Madison), Michael Corradini (Univ. Wisconsin, Madison), Juliana Pacheco Duarte (Univ. Wisconsin, Madison)
High-Resolution Temperature Measurements on Sodium Heat Pipes Applied to Microreactors
8:40–9:00AM EST
Erik M. Tillman (Univ. Wisconsin, Madison), Taigo A. Moreira (Univ. Wisconsin, Madison), Gregory F. Nellis (Univ. Wisconsin, Madison), Mark H. Anderson (Univ. Wisconsin, Madison)
High Performance Heat Pipe Power Transient Testing at SPHERE Facility
9:00–9:20AM EST
Zachary Sellers (INL), Jeremy Hartvigsen (INL), Piyush Sabharwall (INL)
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