ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Jun 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
July 2026
Nuclear Technology
June 2026
Fusion Science and Technology
May 2026
Latest News
North American construction is back—smaller and faster—at OPG’s Darlington
“The nuclear renaissance is real here,” said Ontario Power Generation’s Subo Sinnathamby on May 8, one year to the day after OPG secured a final investment decision to build the first of four planned BWRX-300 reactors at its Darlington nuclear power plant, and shortly after the new reactor’s foundation was lifted into place. “We got our license to construct in April and our [final investment decision] in May, and we’ve been off to the races since.”
Technical Session|Space Nuclear Propulsion
Wednesday, May 7, 2025|1:00–2:40PM CDT|SPOC A (Space & Rocket Center)
Session Chair:
George Williams (NASA Glenn Research Center)
Session Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
Track Organizer:
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
From Earth to Space: Validating Nuclear Technologies for Future Spacecraft
1:00–1:25PM CDT
Nathan Roskoff (Westinghouse Electric Co.), William Walters (Westinghouse Electric Co.)
Paper
Integrated System Modeling Suite Development for Nuclear Electric Propulsion Design Space Analysis
1:25–1:50PM CDT
Corey Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)
Optimization of the Specific Power of a NEP System: Integrating Neutronics and the Thermal Aspects of a Heat Pipe Reactor (HPR) Core Design
1:50–2:15PM CDT
Francisco Szmandiuk (Univ. Grenoble Alpes), Pablo Rubiolo (Univ. Grenoble Alpes), Martin Marone (Univ. Grenoble Alpes), Nicolas Capellan (Univ. Grenoble Alpes), Fabien Castanet (CNES)