Impact of the use of low or medium enriched uranium on the masses of space nuclear reactor power systems

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The design process for determining the mass increase for the substitution of low-enriched uranium (LEU) for high-enriched uranium (HEU) in space nuclear reactor systems is an optimization process which must simultaneously consider several variables. This process becomes more complex whenever the reactor core operates on an in-core thermionic power conversion, in which the fissioning of the nuclear fuel is used to directly heat thermionic emitters, with the subsequent elimination of external power conversion equipment. The increased complexity of the optimization process for this type of system is reflected in the work reported herein, where considerably more information has been developed ... continued below

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25 p.

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Creator: Unknown. December 1, 1994.

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Description

The design process for determining the mass increase for the substitution of low-enriched uranium (LEU) for high-enriched uranium (HEU) in space nuclear reactor systems is an optimization process which must simultaneously consider several variables. This process becomes more complex whenever the reactor core operates on an in-core thermionic power conversion, in which the fissioning of the nuclear fuel is used to directly heat thermionic emitters, with the subsequent elimination of external power conversion equipment. The increased complexity of the optimization process for this type of system is reflected in the work reported herein, where considerably more information has been developed for the moderated in-core thermionic reactors.

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25 p.

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INIS; OSTI as DE95010516

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  • Other Information: PBD: Dec 1994

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  • Other: DE95010516
  • Report No.: DOE/NE--0112
  • DOI: 10.2172/64218 | External Link
  • Office of Scientific & Technical Information Report Number: 64218
  • Archival Resource Key: ark:/67531/metadc690338

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  • December 1, 1994

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 20, 2015, 9:17 p.m.

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Impact of the use of low or medium enriched uranium on the masses of space nuclear reactor power systems, report, December 1, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc690338/: accessed February 16, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.