Criticality Accident Alarm System Modeling with SCALE
Conference
·
OSTI ID:952214
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Criticality accident alarm systems (CAAS) can be difficult to analyze since they consist of both criticality calculations and deep-penetration radiation transport calculations. Radiation transport codes are typically optimized for one of those two aspects but not both. A three-dimensional CAAS modeling capability within SCALE 6 has been created by linking the KENO-VI criticality code to the MAVRIC shielding sequence. KENO-VI has been optimized for criticality calculations and used for over 20 years. MAVRIC is a new sequence in SCALE 6 designed for radiation transport in deep-penetration problems. MAVRIC contains features such as automated variance reduction and mesh tally capabilities, which are quite useful in CAAS modeling.
- 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:
- 952214
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
97 MATHEMATICS AND COMPUTING
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
Alarm System
CAAS Modeling
CAAS Modeling Capability
Criticality
Criticality Accident Alarm Systems (CAAS)
Criticality Calculations
Deep-Penetration Problems
Deep-Penetration Radiation Transport Calculations
KENO-VI
KENO-VI Criticality Code
MAVRIC Shielding Sequence
Nuclear Criticality Safety Program (NCSP)
Radiation Transport
Radiation Transport Codes
SCALE 6
Variance Reduction
97 MATHEMATICS AND COMPUTING
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
Alarm System
CAAS Modeling
CAAS Modeling Capability
Criticality
Criticality Accident Alarm Systems (CAAS)
Criticality Calculations
Deep-Penetration Problems
Deep-Penetration Radiation Transport Calculations
KENO-VI
KENO-VI Criticality Code
MAVRIC Shielding Sequence
Nuclear Criticality Safety Program (NCSP)
Radiation Transport
Radiation Transport Codes
SCALE 6
Variance Reduction