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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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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|3:15–4:55PM CDT|Salon EF (Marriott)
Session Chair:
Elora Kurz (NASA Langley Research Center)
Track Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
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Assessment of Reduced Order Thermal Modeling Assumptions for Nuclear Thermal Propulsion
3:15–3:40PM CDT
Corey Smith (AMA), Jacob Stonehill (AMA), Daria Nikitaeva (AMA), Matthew Duchek (AMA)
Paper
A Preliminary Computational Thermal Model of the Centrifugal Nuclear Thermal Rocket
3:40–4:05PM CDT
Nicholas DeFranzo (Univ. Rhode Island), Bahram Nassersharif (Univ. Rhode Island)
Verification of a Reduced-Order, Thermal-Hydraulic Code Using Higher-Order Analysis Tools
4:05–4:30PM CDT
Jonathon Thomsen (Georgia Tech), Camden Eck (Georgia Tech), Dan Kotlyar (Georgia Tech)
Ensemble Kalman Smoothing for Estimating Unknown Heat Source in a Transient Thermal System
4:30–4:55PM CDT
Haeseong Kim (MIT), Sacit M. Cetiner (INL), Arunkumar Seshadri (MIT), Matteo Bucci (MIT)
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