Modeling delayed neutron monitoring systems for fast breeder reactors
Conference
·
OSTI ID:6759829
The purpose of the present work was to develop a general expression relating the count rate of a delayed neutron monitoring system to the introduction rate of fission fragments into the sodium coolant of a fast breeder reactor. Most fast breeder reactors include a system for detecting the presence of breached fuel that permits contact between the sodium coolant and the mixed oxide fuel. These systems monitor for the presence of fission fragments in the sodium that emit delayed neutrons. For operational reasons, the goal is to relate the count rate of the delayed neutron monitor to the condition of the breach in order that appropriate action might be taken.
- Research Organization:
- Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- AC06-76FF02170
- OSTI ID:
- 6759829
- Report Number(s):
- HEDL-SA-3019-S; CONF-840614-65; ON: DE84013939
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
BARYONS
BREEDER REACTORS
DELAYED NEUTRONS
DETECTION
ELEMENTARY PARTICLES
EPITHERMAL REACTORS
FAILED ELEMENT DETECTION
FAILED ELEMENT MONITORS
FAST REACTORS
FBR TYPE REACTORS
FERMIONS
FISSION NEUTRONS
HADRONS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MEASURING INSTRUMENTS
MONITORS
NEUTRON MONITORS
NEUTRONS
NUCLEONS
RADIATION MONITORS
REACTOR INSTRUMENTATION
REACTORS
210500* -- Power Reactors
Breeding
BARYONS
BREEDER REACTORS
DELAYED NEUTRONS
DETECTION
ELEMENTARY PARTICLES
EPITHERMAL REACTORS
FAILED ELEMENT DETECTION
FAILED ELEMENT MONITORS
FAST REACTORS
FBR TYPE REACTORS
FERMIONS
FISSION NEUTRONS
HADRONS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MEASURING INSTRUMENTS
MONITORS
NEUTRON MONITORS
NEUTRONS
NUCLEONS
RADIATION MONITORS
REACTOR INSTRUMENTATION
REACTORS