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 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
Apr 2026
Jan 2026
Latest Journal Issues
Nuclear Science and Engineering
May 2026
Nuclear Technology
February 2026
Fusion Science and Technology
Latest News
DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
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)
To join the conversation, you must be logged in and registered for the meeting.
