Subcritical Limits for {sup 233}U Systems Page: 3 of 66
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DP-MS-81-67
SUBCRITICAL LIMITS FOR 233U SYSTEMS
by
Hugh. K. Clark
E. I. du Pont de Nemours & Co.
Savannah River Laboratory
Aiken, South Carolina 29808
ABSTRACT
As a contribution to the required quinquennial review of
American National Standard for Nuclear Criticality Safety in
Operations with Fissionable Materials Outside Reactors (ANSI
N16.1-1975/ANS-8.1), limits for homogeneous 233U systems have been
recalculated to confirm their subcriticality or, where there were
doubts, to propose more restrictive values. In addition, other
limits were calculated to be proposed for inclusion, namely limits
for aqueous solutions of U02(NO3)2 and limits for uranium oxides.
The same three methods of calculation were used as in similar work
done recently for plutonium and 235U systems. The validity of
each was established by correlation with the results of pertinent
critical experiments.- 1 -
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Clark, Hugh K. Subcritical Limits for {sup 233}U Systems, article, October 21, 1981; South Carolina. (https://digital.library.unt.edu/ark:/67531/metadc718306/m1/3/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.