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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Latest News
NRC proposed rule for licensing reactors authorized by DOE, DOD
Nuclear reactor designs approved by the Department of Energy or Department of Defense could get streamlined pathways through the Nuclear Regulatory Commission’s commercial licensing process should applicants wish to push the technology into the civilian sector.
A proposed rule introduced April 2 by the NRC would “improve NRC licensing review efficiency, where applicable, by explicitly establishing by regulation an additional means for reactor applicants to demonstrate the safety functions of their reactor designs, and thus, would contribute to the safe and secure use and deployment of civilian nuclear energy technologies.”
Technical Session|Technology Research and Development
Thursday, April 30, 2026|10:10–11:30AM EDT|Room 302/303/304
Session Chair:
June F. Zakrajsek (The Aerospace Corporation)
Alternate Chair:
Tyler Steiner (NASA GRC)
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High-Temperature Heat Pipe System for Stirling-Based Fission Surface Power
10:10–10:30AM EDT
Jeffrey Diebold (Advanced Cooling Technologies), Sandeep Hatte (Advanced Cooling Technologies), Brett Leitherer (Advanced Cooling Technologies), Calin Tarau (Advanced Cooling Technologies), Srujan Rokkam (Advanced Cooling Technologies), Jeffrey Hopkins (Intuitive Machines)
Paper
Experimental Study on Liquid Entrainment Limit in Capillary Heat Pipes for Space Reactors: Preliminary Results
10:30–10:50AM EDT
Yohan Kim (Kyung Hee Univ.), Hyungdae Kim (Kyung Hee Univ.)
A Reduced-Order Thermal-Structural-Neutronics Model for KRUSTY-Style Fission Surface Power with Heat-Pipe Constraints
10:50–11:10AM EDT
Vishnu Reddy (Georgia Tech), Corey Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)
High-Temperature Heat Pipes for Solid-State SPAR Reactor
11:10–11:30AM EDT
Brett Leitherer (Advanced Cooling Technologies), Mason Pratt (Advanced Cooling Technologies), Jeffrey Diebold (Advanced Cooling Technologies), Calin Tarau (Advanced Cooling Technologies), Srujan Rokkam (Advanced Cooling Technologies)
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