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.
Division Spotlight
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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!
Latest Magazine Issues
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NWMO chooses vendors for Canadian repository
Canada’s Nuclear Waste Management Organization has selected five companies it is to work with to design and plan the organization’s proposed deep geologic repository for spent nuclear fuel. As the owner of the project, the NWMO will be working with WSP Canada, Peter Kiewit Sons (Kiewit), Hatch Ltd., Thyssen Mining Construction of Canada, and Kinectrics.
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)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
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)
To join the conversation, you must be logged in and registered for the meeting.
