NDLI: Radiation specifications for fission power conversion component materials

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Radiation specifications for fission power conversion component materials

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mireles, Omar R. Bowman, Cheryl L. Shin, E. Eugene Qualls Sr., A. Louis Radel, Ross F.
Copyright Year	2011
Description	NASA has been supporting design studies and technology development that could provide power to an outpost on the moon, Mars, or an asteroid. One power-generation system that is independent of sunlight or power-storage limitations is a fission-based power plant. There is a wealth of terrestrial system heritage that can be transferred to the design and fabrication of a fission power system for space missions, but there are certain design aspects that require qualification. The radiation tolerance of the power conversion system requires scrutiny because the compact nature of a space power plant restricts the dose reduction methodologies compared to those used in terrestrial systems. An integrated research program has been conducted to establish the radiation tolerance of power conversion system-component materials. The radiation limit specifications proposed for a Fission Power System power convertor is 10 Mrad ionizing dose and 5 x 10(exp 14) neutron per square centimeter fluence for a convertor operating at 150 C. Specific component materials and their radiation tolerances are discussed. This assessment is for the power convertor hardware; electronic components are not covered here.
File Size	591510
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110013363
Archival Resource Key	ark:/13960/t6n064f60
Language	English
Publisher Date	2011-06-01
Access Restriction	Open
Subject Keyword	Spacecraft Propulsion And Power Radiation Effects Moon Fluence Mars Planet Fission Power Converters Fabrication Specifications Asteroids Radiation Tolerance Sunlight Neutron Irradiation Magnetic Materials Stirling Engines Polymers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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