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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
Nov 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
December 2025
Nuclear Technology
November 2025
Fusion Science and Technology
Latest News
The progress so far: An update on the Reactor Pilot Program
It has been about three months since the Department of Energy named 10 companies for its new Reactor Pilot Program, which maps out how the DOE would meet the goal announced by executive order in May of having three reactors achieve criticality by July 4, 2026.
Technical Session|Fission Surface Power
Wednesday, May 7, 2025|1:00–2:40PM CDT|Salon EF (Marriott)
Session Chair:
Mark Lefebvre (NASA Glenn Research Center)
Session Organizer:
Alternate Chair:
Greg Fedor (NASA Glenn Research Center)
Track Organizer:
Harold Gerrish (Marshall Space Flight Center)
Space fission power systems will require extensive developmental and qualification testing prior to launch and in-space operations. This technical session will offer insight into several recent test efforts, including discussions of the test preparations, design and fabrication of test support equipment, and summaries of test results. Presenter bios: Luke Hansen is a Ph.D. student at the University of Tennessee Knoxville studying advanced fabrication techniques of thermoelectric materials for radioisotope thermoelectric generators.
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Design Methodology of a Pressurized Irradiation Test Apparatus for Stirling Convertor Organics in the Fission Surface Power Project
1:00–1:25PM CDT
Luke R. Hansen (Univ. Tennessee, Knoxville), Tyler R. Steiner (NASA Glenn Research Center), Brandon A. Wilson (ORNL), Michael T. Barron (Jacobs Technology)
Paper
Preliminary Findings of Lunar Dust Testing on Radiator Performance
1:25–1:50PM CDT
Ronald Leibach (NASA), Greeta Thaikattil (NASA), James Sanzi (HX5, LLC), Meghan Bush (NASA)
Impedance Spectroscopy for Unraveling Self-Healing Mechanisms in Half-Heusler Thermoelectric Alloys
1:50–2:15PM CDT
Oliver Jeffery (Univ. Leicester), Agostino Maurotto (Univ. Leicester), Pierluigi Chiovaro (Univ. Palermo), Pietro Alessandro Di Maio (Univ. Palermo), Richard M. Ambrosi (Univ. Leicester), Ramy Mesalam (Univ. Leicester)
To join the conversation, you must be logged in and registered for the meeting.
