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Division Spotlight
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
Technical Session
Monday, May 8, 2023|3:45–5:25PM MDT|Boise Room
Session Chair:
Austen D. Fradeneck
Session Organizer:
Alternate Chair:
Katey E. Lenox
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Development of Radiological Material Capabilities with Spark Plasma Sintering for Nuclear Thermal Propulsion
3:45–3:50PM MDT
Brandon Shaver (Univ. Tennessee, Knoxville), Steven Zinkle (Univ. Tennessee, Knoxville)
Paper
Exploring Sol-gel Methods for Producing Surrogate Radioisotope Fuels
3:50–3:55PM MDT
Emily Jane Watkinson (Univ. Leicester), C. Lakin (Univ. Leicester), M. Bromley (Lancaster Univ.), R. Wilbraham (Lancaster Univ.), Richard Ambrosi (Univ. Leicester)
Fission Surface Power 250 kWth Nuclear Reactor Simple Lithium Hydride/Tungsten Shield
3:55–4:00PM MDT
Alexis Maldonado (LANL)
Optimization of Neptunium-237 Modified Direct Denitration Production via Principal Component Analysis
4:00–4:05PM MDT
Connor J. Parker (ORNL), Kathryn M. Peruski (ORNL), Samantha K. Cary (ORNL)
Homogeneity Study of ZrC, NbC, and TaC Binary Carbide Fuels for the Application of Nuclear Thermal Propulsion
4:05–4:10PM MDT
Alex T. Nadermann (Univ. Tennessee, Knoxville), Jonas R. Kessing (Univ. Tennessee, Knoxville), Brandon Shaver (Univ. Tennessee, Knoxville), Justin Milner (NASA Glenn Research Center), Kelsa Palomores (Analytical Mechanics Assoc.), Steven J. Zinkle (Univ. Tennessee, Knoxville)
Integral Neutron and Gamma Shield Material
4:10–4:15PM MDT
Candice Kinsler-Fedon (MillenniTEK), Larry Townsend (Univ. Tennessee, Knoxville), David Blanchard (PNNL), Drew Spradling (MillenniTEK)
Atomic Alchemy Inc.'s Non-Power Production and Utilization Facility
4:15–4:20PM MDT
Thomas Eiden (Atomic Alchemy)
Challenges Facing our Space Nuclear Future
4:20–4:25PM MDT
Sara M. Sanders (Lockheed Martin Space)
Critical Experiments for Space Reactors
4:25–4:30PM MDT
Holly Trellue (LANL), Theresa Cutler (LANL), Erik Luther (LANL), Rene Sanchez (LANL)
Optical Spectroscopy and Online Monitoring for the Plutonium-238 Supply Program
4:30–4:35PM MDT
Luke R. Sadergaski (ORNL), Hunter B. Andrews (ORNL), Tom D. Hylton (ORNL), Laetitia H. Delmau (ORNL), Adam J. Parkison (ORNL)
Multivariate Chemometrics and Spectrophotometry for the Quantification of Aqueous Neptunium Processing Streams for the Plutonium-238 Supply Program
4:35–4:40PM MDT
Hunter B. Andrews (ORNL), Luke R. Sadergaski (ORNL)
Non-Nuclear Instrumentation and Controls Demonstration Test Facility
4:40–4:45PM MDT
N. Dianne Bull Ezell (ORNL), Brandon Wilson (ORNL), Wesley Williams (ORNL)
Commercially Available Yttrium and Zirconium Hydrides
4:45–4:50PM MDT
Gavin Garside (Ultra Safe Nuclear), Kurt Terrani (Ultra Safe Nuclear)
Subtleties in the Impacts of NTP Conditions Based on Fuel Element Power Peaking During Operation
4:50–4:55PM MDT
Vishal Patel (Ultra Safe Nuclear)
Design Options to Address Submersion Incident Criticality LEU NTP Core
4:55–5:00PM MDT
Michael Moore (MIT), Koroush Shirvan (MIT), Steven Hoak (MIT)
Safety Studies for the ESA Radioisotope Power Systems
5:00–5:05PM MDT
Alessandra Barco (Univ. Leicester), Richard M. Ambrosi (Univ. Leicester), Hannah Sargeant (Univ. Leicester), Frédéric Lattwein (ArianeGroup), Christophe Fongarland (ESA/ESTEC)
Subscale Maturation of Advanced Ultra-High Temperature Reactor Technologies
5:05–5:10PM MDT
Tony S. Hill (Starr Nuclear)
Use of an Americium-Based Dynamic Radioisotope Power System (DRPS) for a Long Duration Lunar Science Rover
5:10–5:15PM MDT
Steven Oleson (NASA Glenn Research Center), Paul Schmitz (Power Computing Solutions), Richard M. Ambrosi (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Alessandra Barco (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Elizabeth Turnbull (NASA Glenn Research Center)
An Instrumented System to Study High Pressure-Composition-Temperature Phase Relations
5:15–5:20PM MDT
A.P. Shivprasad (LANL), M.A. Torrez (LANL), J.R. Torres (LANL), T.S. Smith (LANL), C.A. Kohnert (LANL), T.A. Saleh (LANL)
Advanced Moderator Cladding Development
5:20–5:25PM MDT
A.P. Shivprasad (LANL), C.A. Kohnert (LANL), E.P. Luther (LANL), D.V. Rao (LANL)
Theory and Design of the Fusion Accelerating Spacecraft
5:25–5:30PM MDT
Ryan A. Revolinsky (Univ. Michigan), Elijah J. Wilson (Univ. Michigan), Adam N. Brusstar (Univ. Michigan), Tim DeFranco (Univ. Michigan), Dean R. Price (Univ. Michigan), Joseph Lorenzetti (Univ. Michigan)
Design of an Irradiation Facility at MITR to Demonstrate NTP Operation Sequence
5:30–5:35PM MDT
Nesrin Cetiner (MIT), Gyutae Park (MIT), Koroush Shirvan (MIT), Lance Snead (MIT), David Carpenter (MIT), Gordon Kohse (MIT)
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