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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
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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
Tuesday, November 19, 2024|10:00–11:45AM EST|Coral A
Session Chair:
Igor Bolotnov (NCSU)
Alternate Chair:
Victor Habiyaremye (NRG)
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Improved Heat Transfer Modeling in a Channel Flow with Rough Surfaces Using Wall Functions
10:00–10:20AM EST
V. Habiyaremye (Nuclear Research and Consultancy Group), A Math.ur (Nuclear Research and Consultancy Group), F. Roelofs (Nuclear Research and Consultancy Group), J.W.R. Peeters (Delft Univ. Technology)
Paper
Pressure-Corrected Wall Functions for the k - τ RANS Model in Nek5000
10:20–10:40AM EST
Nadish Saini (ANL), Ananias Tomboulides (Aristotle Univ., Thessaloniki), Dillon Shaver (ANL), Aleksandr Obabko (ANL)
Numerical Investigation of Turbulent Flow Through an Orifice Plate at $Re \approx 10^6$: A RANS-Based Methodology for Predicting Discharge Coefficients with ISO 5167 Uncertainty
10:40–11:00AM EST
Pascal Borel (EDF), Sofiane Benhamadouche (EDF), Didier Boldo (EDF)
Free Surface Steam-Interface Heat Transfer Model with a Wall Function that takes Roughness into Account
11:00–11:20AM EST
Bruno Raverdy (CEA)
URANS Computations of Nakamura et al. Dead Branch Configuration -- Evaluation of the Velocity Field Predictions
11:20–11:40AM EST
Sofiane Benhamadouche (EDF)
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