Guidance Detailing Methods to Calculate Criticality Accident Alarm System Detector Response and Coverage
Conference
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OSTI ID:1095654
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
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.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1095654
- Country of Publication:
- United States
- Language:
- English
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