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Heat Pipe Powered Stirling Conversion for the Demonstration Using Flattop Fission (DUFF) TestDesign concepts for small Fission Power Systems (FPS) have shown that heat pipe cooled reactors provide a passive, redundant, and lower mass option to transfer heat from the fuel to the power conversion system, as opposed to pumped loop designs typically associated with larger FPS. Although many systems have been conceptually designed and a few making it to electrically heated testing, none have been coupled to a real nuclear reactor. A demonstration test named DUFF Demonstration Using Flattop Fission, was planned by the Los Alamos National Lab (LANL) to use an existing criticality experiment named Flattop to provide the nuclear heat source. A team from the NASA Glenn Research Center designed, built, and tested a heat pipe and power conversion system to couple to Flattop with the end goal of making electrical power. This paper will focus on the design and testing performed in preparation for the DUFF test.
Document ID
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Gibson, Marc A.
(NASA Glenn Research Center Cleveland, OH United States)
Briggs, Maxwell H.
(NASA Glenn Research Center Cleveland, OH United States)
Sanzi, James L.
(Vantage Partners, LLC Brook Park, OH, United States)
Brace, Michael H.
(NASA Glenn Research Center Cleveland, OH United States)
Date Acquired
September 10, 2014
Publication Date
December 1, 2013
Subject Category
Fluid Mechanics And Thermodynamics
Mechanical Engineering
Report/Patent Number
Meeting Information
Meeting: Proceedings of Nuclear and Emerging Technologies for Space 2013
Location: Albuquerque, NM
Country: United States
Start Date: February 25, 2013
End Date: February 28, 2013
Sponsors: Aerojet-General Corp., American Nuclear Society
Funding Number(s)
WBS: WBS 887359.
Distribution Limits
Public Use Permitted.
Heat pipes
Nuclear heat
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