RAMONA-3B application to Browns Ferry ATWS
This paper discusses two preliminary MSIV clsoure ATWS calculations done using the RAMONA-3B code and the work being done to create the necessary cross section sets for the Browns Ferry Unit 1 reactor. The RAMONA-3B code employs a three-dimensional neutron kinetics model coupled with one-dimensional, four equation, nonhomogeneous, nonequilibrium thermal hydraulics. To be compatible with 3-D neutron kinetics, the code uses parallel coolant channels in the core. It also includes a boron transport model and all necessary BWR components such as jet pump, recirculation pump, steam separator, steamline with safety and relief valves, main steam isolation valve, turbine stop valve, and turbine bypass valve. A summary of RAMONA-3B neutron kinetics and thermal hydraulics models is presented in the Appendix.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6129019
- Report Number(s):
- BNL-NUREG-35585; CONF-8410142-83; ON: TI85006562
- Country of Publication:
- United States
- Language:
- English
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ATWS
BROWNS FERRY-1 REACTOR
BWR TYPE REACTORS
CLOSURES
COMPUTER CODES
CONTROL EQUIPMENT
ENRICHED URANIUM REACTORS
EQUIPMENT
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REACTOR ACCIDENTS
REACTORS
VALVES
WATER COOLED REACTORS
WATER MODERATED REACTORS