HANDBOOK OF SHIELDING REQUIREMENTS AND RADIATION CHARACTERISTICS OF ISOTOPIC POWER SOURCES FOR TERRESTRIAL, MARINE, AND SPACE APPLICATIONS

Technical Report · Wed Apr 01 00:00:00 EST 1964

DOI:https://doi.org/10.2172/4028157· OSTI ID:4028157

Arnold, E. D.

The radiation intensities from shielded and unshielded sources fabricated from seventeen isotopes that show promise for use in isotopic power or radiation applications were calculated. Source sizes in the range of 100 to 20,000 thermal watts were evaluated. All shielded sources were assumed to be attenuated by Fe, Pb, and U; and in those cases where the source also emitted neutrons, neutron and gamma attenuation through water was determined. The isotopes studied and their physical form are as follows: /sup 60/Co (metal), /sup 85/Kr (liquefied gas), /sup 90/Sr (oxide and titanate), Zr-/sup 95/Nb (oxide), / sup 106/Ru (metal), /sup 137/Cs (glass), /sup 144/Ce (ox ide), /sup 147/Pm (oxide), /sup 170/Tm and /sup 171/Tm (both as oxides), /sup 204/Tl (metal), /sup 210/Po (metal matrix with void space for gas collection), /sup 232/U (oxide), /sup 228/Th (oxide matrix with void space for gas collection), /sup 238/Pu (oxide), /sup 242/Cm (oxide matrix with void space for gas collection), and / sup 244/Cm (oxide). The use of the graphical results to calculate separation distance, shield thickness, and shield weight is demonstrated. (auth)

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-26
• NSA Number: NSA-18-018621
• OSTI ID: 4028157
• Report Number(s): ORNL-3576
• Resource Relation: Other Information: Orig. Receipt Date: 31-DEC-64
• Country of Publication: United States
• Language: English

Related Subjects

PHYSICS
CERIUM 144
CERIUM OXIDES
CESIUM 137
COBALT 60
CURIUM 242
CURIUM 244
CURIUM OXIDES
DIAGRAMS
DISTANCE
GAMMA RADIATION
GASES
GLASS
IMPURITIES
IRON
KRYPTON 85
LEAD
LOSSES
METALS
NEUTRONS
NIOBIUM OXIDES
PLUTONIUM 238
PLUTONIUM OXIDES
POLONIUM 210
POWER
PROMETHIUM 147
PROMETHIUM OXIDES
QUANTITATIVE ANALYSIS
RADIATION SOURCES
RADIATIONS
RADIOISOTOPES
RUTHENIUM 106
SHIELDING
SHIPS
SPACE
STRONTIUM 90
STRONTIUM OXIDES
THALLIUM 204
THICKNESS
THORIUM 228
THORIUM OXIDES
THULIUM 170
THULIUM 171
THULIUM OXIDES
TITANIUM OXIDES
URANIUM
URANIUM 232
URANIUM OXIDES
USES
WATER
WEIGHT
ZIRCONIUM 95
ZONES
NESDPS Office of Nuclear Energy Space and Defense Power Systems