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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Nuclear Science and Engineering
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Getting back to yes: A local perspective on decommissioning, restart, and responsibility
For 45 years, Duane Arnold Energy Center operated in Linn County, Ia., near the town of Palo and just northwest of Cedar Rapids. The facility, owned by NextEra Energy, was the only nuclear power plant in the state.
In August 2020, a historic derecho swept across eastern Iowa with winds approaching 140 miles per hour. Damage to the plant’s cooling towers accelerated a shutdown that had already been planned, and the facility entered decommissioning soon after, with its fuel removed in October of that year. Iowa’s only nuclear plant had gone off line.
Today the national energy landscape looks very different than it did just six short years ago. Electricity demand is rising rapidly as data centers, artificial intelligence infrastructure, advanced manufacturing, and electrification expand across the country. Reliable, carbon-free baseload power has become increasingly valuable. In that context, Linn County has approved the rezoning necessary to support the recommissioning and restart of Duane Arnold and is actively supporting NextEra’s efforts to secure the remaining state and federal approvals.
Technical Session|Fission Surface Power/Nuclear Electric Propulsion
Wednesday, May 8, 2024|10:00–11:40AM MDT|Sweeney B
Session Chair:
Michael C. Miller
Session Organizer:
Alternate Chair:
Georgette Alexander-Morrison
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Thermal Testing Results of Clad Yttrium Hydride
10:00–10:06AM MDT
C.A. Kohnert (LANL), A.P. Shivprasad (LANL), M. Pate (LANL), E.P. Luther (LANL), H.R. Trellue (LANL), D. V. Rao (LANL)
Paper
Yttrium Hydride Moderator Cladding Fabrication
10:06–10:12AM MDT
Michal Pate (LANL), Erik Luther (LANL), Caitlin Kohnert (LANL), Aditya Shivprasad (LANL)
Hydrogen Transport in Yttrium Hydride Under Asymmetric Heat
10:12–10:18AM MDT
Hanns Gietl (INL), Chase N. Taylor (INL), M. Nedim Cinbiz (INL), Sebastian Corbisiero (INL)
Survivability Testing of Fused Silica Moderator Cladding
10:18–10:24AM MDT
Chase N. Taylor (INL), Aditya P. Shivprasad (LANL), H. Kris Woodbury (INL), Hanns Gietl (INL), Sebastian C. Corbisiero (INL)
Pelleting and Analysis of Mixed Ce/U Oxides for Space Applications
10:24–10:30AM MDT
Hywel Ragnauth (Univ. Manchester), Samira Bostanchi (Lucideon), Gareth Jones (Lucideon), David Pearmain (Lucideon), Mark Sarsfield (National Nuclear Laboratory), Tim Abram (Univ. Manchester), Robert Harrison (Univ. Manchester)
Electrodeposition of Zirconium on Uranium Nitride
10:30–10:36AM MDT
Jarom Chamberlain (LANL), Hannah Patenaude (LANL), Amanda Musgrove (LANL), Rami Batrice (LANL), Erofili Kardoulaki (LANL), Marisa Monreal (LANL), Tim Coons (LANL)
Thermal Diffusivity Measurements of NpO2-Al Cermets
10:36–10:42AM MDT
Victor Bautista (ORNL), Justin Griswold (ORNL), Chris Jensen (ORNL)
Modular CdZnTe Imaging Spectrometers for General Radiation Detection Applications in Space
10:42–10:48AM MDT
Michael Streicher (H3D), Willy Kaye (H3D), Feng Zhang (H3D), Jim Mason (H3D), Ryan Parsons (H3D), David Goodman (H3D), Daniel Shy (U.S. Naval Research Laboratory), Bernard Phlips (U.S. Naval Research Laboratory)
Direct In-Core Conversion Fission Reactor: Powering Space Exploration over the Kilowatt Horizon
10:48–10:54AM MDT
Oliver Jeffery (Univ. Leicester), Agostino Maurotto (Univ. Leicester), Richard M. Ambrosi (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Pierluigi Chiovaro (Universita di Palermo), Pietro Alessandro Di Maio (Universita di Palermo)
Assessment of Nuclear Electric Propulsion (NEP) Concepts and Development of a NEP Roadmap for Europe
10:54–11:00AM MDT
Pablo Rubiolo (Grenoble Institute of Technology), Nicolas Capellan (Grenoble Institute of Technology), Stefano Lorenzi (Politecnico di Milano), Ricardo Boccelli (Politecnico di Milano), Andrea D'Octtavio (Thales Alenia Space), Angelica Peressotti (Thales Alenia Space), Federico Romei (OhmSpace), André Cuenca (Alcadia), Antonio Sauvage (Alcadia), Alessandra Barco (Univ. Leicester), Andreas Hein (Univ. Luxembourg), Adam Abdin (CentraleSupélec)
Development of an Advanced Power Conversion System for Next Generation Space Nuclear Applications
11:00–11:06AM MDT
Jon Ebacher (Rolls-Royce Corp.), Eric Maxeiner (Rolls-Royce North America), Neil Backus (Rolls-Royce Corp.)
A Strategy for Successful, Expeditious Development and In-Space Demonstration, as well as Continuing Growth, of Nuclear Electric Propulsion (NEP) Platforms for a wide Range of USSF, NASA, and Commercial Applications
11:06–11:12AM MDT
Joseph A. Sholtis (Sholtis Engineering & Safety Consulting)
Presentation Slides (Visible to Attendees)
Emerging High Temperature Sensors and Electronics for Future Lunar-Martian Reactors
11:12–11:18AM MDT
Robert Okojie (NASA Glenn Research Center), Philip Neudeck (NASA Glenn Research Center), Susan Wrbanek (NASA Glenn Research Center), John Wrbanek (NASA Glenn Research Center)
Presented by Tyler Steiner (NASA Glenn Research Center)
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