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Conference Spotlight
2026 ANS 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!
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Jan 2026
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Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
CFS working with NVIDIA, Siemens on SPARC digital twin
Commonwealth Fusion Systems, a fusion firm headquartered in Devens, Mass., is collaborating with California-based computing infrastructure company NVIDIA and Germany-based technology conglomerate Siemens to develop a digital twin of its SPARC fusion machine. The cooperative work among the companies will focus on applying artificial intelligence and data- and project-management tools as the SPARC digital twin is developed.
Technical Session|Sponsored by THD|Cosponsored by RPD
Tuesday, November 17, 2020|4:50–6:30PM EST
Session Chair:
Prashant K. Jain (Oak Ridge National Lab)
Session Organizer:
Track Organizer:
Alternate Chair:
Emilian Popov
Staff Producer:
Erica McGowan (American Nuclear Society)
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Pressure Vessel Design Optimization of the Transformational Challenge Reactor
Nathan D. See (Oak Ridge National Laboratory), Jesse Heinemann (Oak Ridge National Laboratory), Phillip Chesser (Oak Ridge National Laboratory), Sacit M. Cetiner (Oak Ridge National Laboratory), Benjamin R. Betzler (Oak Ridge National Laboratory)
Paper
Ex-Core Thermofluidic Modeling and Simulations for Transformational Challenge Reactor
B. R. Betzler (Oak Ridge National Laboratory), Brian J. Ade (Oak Ridge National Laboratory), Florent Heidet (Argonne National Laboratory), Alberto Talamo (Argonne National Laboratory), Subhasish Mohanty (Argonne National Laboratory), Aurelien X. Bergeron (Argonne National Laboratory), Prasad Vegendla (Argonne National Laboratory)
Gas Coolant Channel Optimization for Transformational Challenge Reactor
Prashant K. Jain (Oak Ridge National Laboratory), Casey J. Jesse (Idaho National Laboratory), Justin Weinmeister (Oak Ridge National Laboratory)
Preliminary Design and Stress Analysis of the Transformational Challenge Reactor Vessel
Subhasish Mohanty (Argonne National Laboratory), Benjamin R. Betzler (Oak Ridge National Laboratory), Brian J. Ade (Oak Ridge National Laboratory), Florent Heidet (Argonne National Laboratory), Prasad Vegendla (Argonne National Laboratory), Alberto Talamo (Argonne National Laboratory), Aurelien X. Bergeron (Argonne National Laboratory)
Transformational Challenge Reactor Accident Analysis
Jordan D. Rader (Oak Ridge National Laboratory), Prashant K. Jain (Oak Ridge National Laboratory), Aaron J. Wysocki (Oak Ridge National Laboratory)
Thermal-Hydraulic Analyses to Support TCR Optimization
Kurt A. Terrani (Oak Ridge National Laboratory), Benjamin R. Betzler (Oak Ridge National Laboratory), Rick Archibald (ORNL), Briana D. Hiscox (Oak Ridge National Laboratory), Vladimir Sobes (University of Tennessee Knoxville), Emilian Popov (Oak Ridge National Laboratory)
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