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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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Nuclear Science and Engineering
September 2025
Nuclear Technology
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October 2025
Latest News
A wave of new U.S.-U.K. deals ahead of Trump’s state visit
President Trump will arrive in the United Kingdom this week for a state visit that promises to include the usual pomp and ceremony alongside the signing of a landmark new agreement on U.S.-U.K. nuclear collaboration.
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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