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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
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September 2025
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Latest News
NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
Technical Session|Sponsored by THD
Wednesday, June 16, 2021|2:15–4:00PM EDT
Session Chair:
Jinyong Feng
Alternate Chair:
Darius D. Lisowski
Session Organizer:
Subash L. Sharma
Staff Producer:
Jessie Vazquez (ANS)
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Benchmark of RELAP5 Modeling for the Water-Based NSTF Single-Phase Operations
Qiuping Lv (ANL), Adam Kraus (ANL), Rui Hu (ANL), Darius Lisowski (ANL)
Paper
Numerical Study for the Effect of the Surface Roughness Magnitude on the Multi-Stage Orifice Internal Flow Pattern
Gong-Hee Lee (Korea Institute of Nuclear Safety), June-Ho Bae (Korea Institute of Nuclear Safety)
Presentation Video (Visible to Attendees)
CFD Benchmark Model of Pebble Bed Separate Effects Test Facility
Jaymes Dionne (Oregon State Univ.), Izabela Gutowska (Oregon State Univ.), R. Brian Jackson (Kairos Power)
Variation of Aerosol Deposition with iPWR Containment Vessel Submergence Depth
Rohan Biwalkar (Pittsburgh Technical), Sola Talabi (Pittsburgh Technical)
Effect of Lift Correction Factor for Two-Phase Flow in a Large Diameter Channel
Sungje Hong (Missouri Univ. of Science and Technology), Joshua P. Schlegel (Missouri Univ. of Science and Technology), Subash L. Sharma (Univ. of Massachusetts Lowell)
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