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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!
Latest Magazine Issues
Dec 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
Seconds Matter: Rethinking Nuclear Facility Security for the Modern Threat Landscape
In today’s rapidly evolving threat environment, nuclear facilities must prioritize speed and precision in their security responses—because in critical moments, every second counts. An early warning system serves as a vital layer of defense, enabling real-time detection of potential intrusions or anomalies before they escalate into full-blown incidents. By providing immediate alerts and actionable intelligence, these systems empower security personnel to respond decisively, minimizing risk to infrastructure, personnel, and the public. The ability to anticipate and intercept threats at the earliest possible stage not only enhances operational resilience but also reinforces public trust in the safety of nuclear operations. Investing in such proactive technologies is no longer optional—it’s essential for modern nuclear security.
Advances in Thermal Hydraulics (ATH 2024)
Technical Session
Wednesday, November 20, 2024|10:00–11:45AM EST|Coral B
Session Chair:
Izabela Gutowska (OSU)
Alternate Chair:
Matthew Jasica (ANL)
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Reactor Vessel Cooling System for the GA-EMS Fast Modular Reactor: Scaled Experiments and Analysis
10:00–10:20AM EST
S.K. Jung (Univ. Wisconsin, Madison), I. Jentz (Univ. Wisconsin, Madison), W.H. Jung (Univ. Wisconsin, Madison), B. Lindley (Univ. Wisconsin, Madison), M. Anderson (Univ. Wisconsin, Madison), M. Corradini (Univ. Wisconsin, Madison), H. Choi (General Atomics), J. Bolin (General Atomics)
Paper
Development of an Improved RELAP5-3D Model for the High Temperature Test Facility
10:20–10:40AM EST
Robert F. Kile (INL), Aaron S. Epiney (INL)
Effects of Upper Chimney Throttling on Two-Phase Flow in a Large-Scale Water-Based RCCS
10:40–11:00AM EST
Matthew J. Jasica (ANL), Qiuping Lv (ANL), Darius D. Lisowski (ANL), Mitch Farmer (ANL)
Effect of Water Tank Inlet Elevation on Performance of a Large Scale Water-Based RCCS
11:00–11:20AM EST
Qiuping Lv (ANL), Matthew Jasica (ANL), Darius Lisowski (ANL), Zhiee Jhia Ooi (ANL), Rui Hu (ANL), Mitch Farmer (ANL)
Contact Thermal Resistance Modeling for Conjugate Heat Transfer Simulations in Gas-Cooled Pebble Bed Reactors
11:20–11:40AM EST
Dezhi Dai (ANL), Haomin Yuan (ANL), Prasad Vegendla (ANL), Adrian Tentner (ANL)
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