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Title: A primer on criticality safety

Criticality is the state of a nuclear chain reacting medium when the chain reaction is just self-sustaining (or critical). Criticality is dependent on nine interrelated parameters. Moreover, we design criticality safety controls in order to constrain these parameters to minimize fissions and maximize neutron leakage and absorption in other materials, which makes criticality more difficult or impossible to achieve. We present the consequences of criticality accidents are discussed, the nine interrelated parameters that combine to affect criticality are described, and criticality safety controls used to minimize the likelihood of a criticality accident are presented.
Authors:
; ; ; ;
Publication Date:
Report Number(s):
LA-UR-16-29608
Journal ID: ISSN 1871-5532
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Journal of Chemical Health and Safety
Additional Journal Information:
Journal Volume: 24; Journal Issue: 3; Journal ID: ISSN 1871-5532
Publisher:
Elsevier
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 61 RADIATION PROTECTION AND DOSIMETRY; criticality; safety; accident; controls; parameters; fission
OSTI Identifier:
1338681
Alternate Identifier(s):
OSTI ID: 1416794

Costa, David A., Cournoyer, Michael E., Merhege, James F., Garcia, Vincent E., and Sandoval, Arnold N.. A primer on criticality safety. United States: N. p., Web. doi:10.1016/j.jchas.2016.12.001.
Costa, David A., Cournoyer, Michael E., Merhege, James F., Garcia, Vincent E., & Sandoval, Arnold N.. A primer on criticality safety. United States. doi:10.1016/j.jchas.2016.12.001.
Costa, David A., Cournoyer, Michael E., Merhege, James F., Garcia, Vincent E., and Sandoval, Arnold N.. 2017. "A primer on criticality safety". United States. doi:10.1016/j.jchas.2016.12.001. https://www.osti.gov/servlets/purl/1338681.
@article{osti_1338681,
title = {A primer on criticality safety},
author = {Costa, David A. and Cournoyer, Michael E. and Merhege, James F. and Garcia, Vincent E. and Sandoval, Arnold N.},
abstractNote = {Criticality is the state of a nuclear chain reacting medium when the chain reaction is just self-sustaining (or critical). Criticality is dependent on nine interrelated parameters. Moreover, we design criticality safety controls in order to constrain these parameters to minimize fissions and maximize neutron leakage and absorption in other materials, which makes criticality more difficult or impossible to achieve. We present the consequences of criticality accidents are discussed, the nine interrelated parameters that combine to affect criticality are described, and criticality safety controls used to minimize the likelihood of a criticality accident are presented.},
doi = {10.1016/j.jchas.2016.12.001},
journal = {Journal of Chemical Health and Safety},
number = 3,
volume = 24,
place = {United States},
year = {2017},
month = {5}
}