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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
November 2025
Nuclear Technology
Fusion Science and Technology
October 2025
Latest News
Amazon provides update on its Washington project with X-energy
A year ago this month, Amazon led a $500 million investment in X-energy, alongside Citadel founder Ken Griffin, the University of Michigan, and other investors. In addition to that financing, Amazon pledged to support the development of an initial four-unit, 320-MW project with Energy Northwest in Washington state.
Technical Session
Wednesday, May 18, 2022|3:30–5:15PM EDT|Ellwood
Session Chair:
Paul Romano (ANL)
Alternate Chair:
Jaakko Leppänen
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Variance Analysis of the Coupling of Thermal-Hydraulics and Point Kinetics with Stochastic Noise Term Modeling Dynamic Monte Carlo Behavior for Later Use in GUARDYAN
Tamás Hajas (Budapest Univ. Technology and Economics), Gábor Tolnai (Budapest Univ. Technology and Economics), Dávid Légrády (Budapest Univ. Technology and Economics)
Paper
Improving the Variance in Monte Carlo Criticality Calculations with Adaptive Multilevel Splitting
Kévin Fröhlicher (IRSN), Eric Dumonteil (CEA), Loic Thulliez (CEA), Julien Taforeau (IRSN), Mariya Brovchenko (IRSN)
Monte Carlo Source Convergence Acceleration with Multi-Group Inactive Cycles
Valeria Raffuzzi (Univ. Cambridge), Lee Morgan (AWE), Eugene Shwageraus (Univ. Cambridge), Paul Cosgrove (Univ. Cambridge)
Reactor Period Calculations by Monte Carlo Methods: Analysis of the SPERT III E-Core Reactivity Excursions
R. Hourcade (CEA), A. Jinaphanh (CEA), A. Zoia (CEA)
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