Guidance detailing methods to calculate criticality accident alarm system detector response and coverage

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper is an extended summary of a guidance document that was produced by Oak Ridge National Laboratory on the subject of computational analyses of Criticality Accident Alarm Systems (CAAS). This full guidance document reviews ANSI/ANS-8.3-1997 and provides examples on how to calculate the fission rate that produces the minimum accident of concern, how to calculate the response of a CAAS detector, and how to evaluate the coverage of a CAAS detector. Discussing a strategy on how to perform CAAS placement analysis concludes the full guidance document. All of the examples in the full guidance document are performed with SCALE 6.1 and MCNP5, and the full input files for both are provided. This extended summary of the full guidance document only reviews ANSI/ANS-8.3-1997, calculates the fission rate that produces the minimum accident of concern for a simple example, and provides an example for one of the approaches suggested in the CAAS placement analysis strategy that uses a forward Monte Carlo transport calculation.

Original languageEnglish
Title of host publicationTopical Meeting Held by the ANS Nuclear Criticality Safety Division, NCSD 2013 - Criticality Safety in the Modern Era
Subtitle of host publicationRaising the Bar
PublisherAmerican Nuclear Society
Pages572-583
Number of pages12
ISBN (Print)9781629938165
StatePublished - 2013
EventTopical Meeting Held by the ANS Nuclear Criticality Safety Division - Criticality Safety in the Modern Era: Raising the Bar, NCSD 2013 - Wilmington, NC, United States
Duration: Sep 29 2013Oct 3 2013

Publication series

NameTopical Meeting Held by the ANS Nuclear Criticality Safety Division, NCSD 2013 - Criticality Safety in the Modern Era: Raising the Bar

Conference

ConferenceTopical Meeting Held by the ANS Nuclear Criticality Safety Division - Criticality Safety in the Modern Era: Raising the Bar, NCSD 2013
Country/TerritoryUnited States
CityWilmington, NC
Period09/29/1310/3/13

Keywords

  • Alarm coverage
  • CAAS
  • Detector response
  • Minimum accident of concern

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