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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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NASA, DOE solidify collaboration on a lunar surface reactor
NASA and the Department of Energy have announced a “renewed commitment” to their mutual goal of supporting research and development for a nuclear fission reactor on the lunar surface to provide power for future missions. The agencies have signed a memorandum of understanding that “solidifies this collaboration and advances President Trump’s vision of American space superiority.”
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Tuesday, June 17, 2025|10:00–11:45AM CDT|Chicago Ballroom C
Session Chair:
Nathan R. DeKett
Alternate Chair:
Ricky Summitt
Session Organizer:
David Grabaskas
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Safety Analysis Methodology for Multipurpose Nuclear Microreactors from the Conceptual Design Stage
10:00–10:20AM CDT
Liz A. Ambruster-Sanchez (National Autonomous University of Mexico), Pamela F. Nelson (National Autonomous University of Mexico), Orestes Castillo-Hernández (Comisión Nacional de Seguridad Nuclear y Salvaguardias (CNSNS))
Paper
Reactor System Design Optimization Using the ASME Plant Systems Design Standard (PSD-1)
10:20–10:40AM CDT
Orestes Castillo-Hernández (CNSNS), David Quintanar-Gago (UNAM), Pamela F. Nelson (UNAM), CR Grantom (CRG LLC), Ralph Hill (Hill Engineering Solutions LLC)
Integration of PSA in the BWRX-300 Design Requirements Management System
10:40–11:00AM CDT
Cuauhtemoc Reale Hernandez (GE-Hitachi Nuclear Energy), Patrick Mirek (GE-Hitachi Nuclear Energy), Tyra Gordon (GE-Hitachi Nuclear Energy), Sean Stepanow (GE-Hitachi Nuclear Energy)
Probabilistic Evaluations of Digital Instrumentation and Control Applications in the Design of BWRX-300
11:00–11:20AM CDT
Nathan DeKett (GE - Hitachi Nuclear Energy), Andrew McArthur (GE - Hitachi Nuclear Energy), Mochen Shahbaz (GE - Hitachi Nuclear Energy), Peter Miller (GE - Hitachi Nuclear Energy)
ASME PSD-1 to Support the Design of HVAC for a Radioisotope Production Facility
11:20–11:40AM CDT
Omar Pérez-Parrazal (Universidad Nacional Autónoma de México), Pamela F. Nelson (UNAM)
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