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CRITICAL MEASUREMENTS ON INTERMEDIATE-ENERGY GRAPHITE-U235 SYSTEMS

Author
Schwager, J. E.
Published
United States : [publisher not identified], 1957.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1957.
Physical Description
microopaque : positive ; 8 x 13 cm
Additional Creators
Gilbert, W. S. and Kloverstrom, F. A.

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Summary
A system for the measurement of near-homogeneous carbon-U/sup 235/ critical masses is described. Cores are constructed with thin, enriched-uranium foils spaced between graphite blocks. Fuel density is variable by use ef different foil thicknesses and spacings. Reactivity is controlled by boron rods; standard reactor instrumentation permits critical operation at low power. Results of critical measurements on unrefiected systems having atomic C/U/sup 235/ ratios of 670, 1380, and 2590 are given. Thin reflectors ef graphite and beryllium were also used. Corrections for self-shielding in the fuel foils and systematic errors are described. (auth)
Report Numbers
UCRL-5006
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: W-7405-ENG-48
NSA number: NSA-12-011005
OSTI Identifier 4333068
Research organization: California. Univ., Livermore. Radiation Lab.
View MARC record | catkey: 42517817