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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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Latest News
Deep geologic repository progress—2025 Update
Editor's note: This article has was originally published in November 2023. It has been updated with new information as of June 2025.
Outside my office, there is a display case filled with rock samples from all over the world. It contains a disk of translucent, orange salt from the Waste Isolation Pilot Plant near Carlsbad, N.M.; a core of white-and-bronze gneiss from the site of the future deep geologic repository in Eurajoki, Finland; several angular chunks of fine-grained, gray claystone from the underground research laboratory at Bure, France; and a piece of coarse-grained granite from the underground research tunnel in Daejeon, South Korea.
Technical Session|Computational Thermal Hydraulics
Monday, August 21, 2023|3:30–5:10PM EDT|Columbia 11/12
Session Chair:
Jack Buchanan (UNNPP)
Alternate Chair:
Ed Komen (Nuclear Research & Consultancy Group)
Session Organizer:
Igor A. Bolotnov
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CFD Evaluation of Spacer Induced Droplet Deposition in BWR Subchannels
3:30–3:50PM EDT
Chao Wang (Framatome), Steven Anderson (Framatome), Markus Rehm (Framatome), Olga Dutkiewicz (Framatome), Elmar Rieder (Framatome), Lukas Robers (Axpo Power AG)
Paper
Numerical Simulation of Corium Flow Through Rod Bundle and/or Debris Bed Geometries with a Model Based on Lattice Boltzmann Method
3:50–4:10PM EDT
J. Garcia Sarmiento (IRSN), F. Fichot (IRSN), V. Topin (IRSN), P. Sagaut (Aix-Marseille Univ.)
Prediction of the Flow Patterns in a Steam Generator Tube Bundle Configuration with All-Flow-Regime CFD Models
4:10–4:30PM EDT
Marco Colombo (Univ. Sheffield), Daniele Vivaldi (IRSN), Jean Baccou (IRSN)
Numerical Investigation of Two-Phase Flow in a 3 x 3 Rod Bundle with Spacer Grid
4:30–4:50PM EDT
S. Taş (Helmholtz-Zentrum Dresden-Rossendorf), Y. Liao (Helmholtz Zentrum-Dresden Rossendorf), U. Hampel (Helmholtz Zentrum-Dresden Rossendorf)
Development of Solids Transport Model for Fuel Dispersal Studies
4:50–5:10PM EDT
Avinash Moharana (Rensselaer Polytechnic Institute), Shanbin Shi (Rensselaer Polytechnic Institute)
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