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Thermionic reactor power system: Effects of radiation on integration with Manned Space StationThe application of a thermionic reactor power system to the modular space station is described. The nominal net power is 40 kWe, with the power system designed to be applicable over the power range from 25 to 60 kWe. The power system is designed to be launched by the space shuttle. Radiation protection is provided by LiH neutron shielding and W gamma shielding in a shaped 4 pion configuration, i.e., the reactor is shielded on all sides but not to equal extent. Isodose contours are presented for the region around the modular space station. Levels and spectral distribution of radiation are given for later evaluation of effects on space station experiments. Parametric data on the effects of separation distance on power system mass are presented.
Document ID
Document Type
Conference Paper
Gietzen, A. J. (Gulf General Atomic San Diego, CA, United States)
Heath, C. A. (Gulf General Atomic San Diego, CA, United States)
Perry, L. W. (Gulf General Atomic San Diego, CA, United States)
Date Acquired
August 6, 2013
Publication Date
January 1, 1972
Publication Information
Publication: NASA, Washington Proc. of the Natl. Symp. on Nat. and Manmade Radiation in Space
Subject Category
Funding Number(s)
Distribution Limits
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19720009951Analytic PrimaryProceedings of the National Symposium on Natural and Manmade Radiation in Space