Additional nuclear criticality safety calculations for small-diameter containers | Zendy

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Additional nuclear criticality safety calculations for small-diameter containers

Author(s) -

Michel Hone

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/211600

Subject(s) - criticality , nuclear engineering , contingency table , contingency , reliability engineering , physics , nuclear physics , environmental science , engineering , statistics , mathematics , linguistics , philosophy

This report documents additional criticality safety analysis calculations for small diameter containers, which were originally documented in Reference 1. The results in Reference 1 indicated that some of the small diameter containers did not meet the criteria established for criticality safety at the Portsmouth facility (K{sub eff} +2{sigma}<.95) when modeled under various contingency assumptions of reflection and moderation. The calculations performed in this report reexamine those cases which did not meet the criticality safety criteria. In some cases, unnecessary conservatism is removed, and in other cases mass or assay limits are established for use with the respective containers

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