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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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!
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Nuclear Science and Engineering
October 2025
Nuclear Technology
September 2025
Fusion Science and Technology
Latest News
PR: American Nuclear Society welcomes Senate confirmation of Ted Garrish as the DOE’s nuclear energy secretary
Washington, D.C. — The American Nuclear Society (ANS) applauds the U.S. Senate's confirmation of Theodore “Ted” Garrish as Assistant Secretary for Nuclear Energy at the U.S. Department of Energy (DOE).
“On behalf of over 11,000 professionals in the fields of nuclear science and technology, the American Nuclear Society congratulates Mr. Garrish on being confirmed by the Senate to once again lead the DOE Office of Nuclear Energy,” said ANS President H.M. "Hash" Hashemian.
Technical Session
Tuesday, May 9, 2023|10:30AM–12:10PM MDT|Boise Room
Session Chair:
Andrew L. Presby
Session Organizer:
Alternate Chair:
Michael G. Houts
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Reactor Core Geometry Optimization with Application for Centrifugal Nuclear Thermal Rockets
10:30–10:50AM MDT
Mitchell Schroll (Univ. Alabama, Hunstville), Robert Frederick (Univ. Alabama, Hunstville), L. Dale Thomas (Univ. Alabama, Hunstville)
Paper
Modelling Nuclear Thermal Propulsion Reactor Expander Cycle Startup Transients
10:50–11:10AM MDT
Lise Charlot (INL), Sebastian Schunert (INL), Vincent Labouré (INL), Mark DeHart (INL)
Regulatory Approach for Nuclear Thermal Propulsion Reactor Systems
11:10–11:30AM MDT
Alexander Pingel (Analytical Mechanics Assoc.), Alexander Foutch (Analytical Mechanics Assoc.), James Werner (Analytical Mechanics Assoc.), Lindsey Holmes (Analytical Mechanics Assoc.)
Developing of Three-Dimensional Bubble Dynamics Model for Centrifugal Nuclear Thermal Propulsion
11:30–11:50AM MDT
Pongkrit Darakorn Na Ayuthya (Univ. Alabama, Huntsville), Jason Cassibry (Univ. Alabama, Hunstville)
Effects of Heat Transfer Coefficient Variation on Nuclear Thermal Propulsion Engine Performance
11:50AM–12:10PM MDT
Daria Nikitaeva (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.), Matthew Duchek (Analytical Mechanics Assoc.)
Attachment — Presentation
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