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System Concepts for Affordable Fission Surface PowerThis paper presents an overview of an affordable Fission Surface Power (FSP) system that could be used for NASA applications on the Moon and Mars. The proposed FSP system uses a low temperature, uranium dioxide-fueled, liquid metal-cooled fission reactor coupled to free-piston Stirling converters. The concept was determined by a 12 month NASA/DOE study that examined design options and development strategies based on affordability and risk. The system is considered a low development risk based on the use of terrestrial-derived reactor technology, high efficiency power conversion, and conventional materials. The low-risk approach was selected over other options that could offer higher performance and/or lower mass.
Document ID
Document Type
Technical Memorandum (TM)
Mason, Lee
(NASA Glenn Research Center Cleveland, OH, United States)
Poston, David
(Los Alamos National Lab. NM, United States)
Qualls, Louis
(Oak Ridge National Lab. TN, United States)
Date Acquired
August 24, 2013
Publication Date
January 1, 2008
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
Meeting Information
Space Technology and Applications International Forum (STAIF 2008)(Albuquerque, NM)
Funding Number(s)
WBS: WBS 463169.
Distribution Limits
Work of the US Gov. Public Use Permitted.
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