Results from the run-beyond-cladding-breach irradiation of a predefected fuel pin (RBCB-6)
A slit was machined through the cladding of an irradiated fuel pin and irradiation in the Experimental Breeder Reactor-II (EBR-II) was resumed. The condition of the fuel pin was continuously followed with delayed neutron (DN) monitors. When the DN signal increased to a previously established administrative limit, the test was terminated. Postirradiation examination showed the sodium-fuel reaction caused fuel swelling and extension of the machined slit. There was no evidence of fuel loss nor was there any indication of impending pin-to-pin failure propagation. This test supports an increase in DN signal for subsequent run-beyond-cladding-breach (RBCB) tests.
- Research Organization:
- Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- EY-76-C-14-2170
- OSTI ID:
- 5944611
- Report Number(s):
- HEDL-TME-79-23
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
ACCIDENTS
BARYONS
BREEDER REACTORS
CRACKS
DELAYED NEUTRONS
DETECTION
EBR-2 REACTOR
ELEMENTARY PARTICLES
EPITHERMAL REACTORS
EXPERIMENTAL REACTORS
FAILED ELEMENT DETECTION
FAST REACTORS
FBR TYPE REACTORS
FERMIONS
FISSION NEUTRONS
FUEL ELEMENT FAILURE
FUEL-COOLANT INTERACTIONS
HADRONS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
NEUTRONS
NUCLEONS
POWER REACTORS
REACTOR ACCIDENTS
REACTORS
RESEARCH AND TEST REACTORS
SIMULATION
SODIUM COOLED REACTORS
210500* -- Power Reactors
Breeding
ACCIDENTS
BARYONS
BREEDER REACTORS
CRACKS
DELAYED NEUTRONS
DETECTION
EBR-2 REACTOR
ELEMENTARY PARTICLES
EPITHERMAL REACTORS
EXPERIMENTAL REACTORS
FAILED ELEMENT DETECTION
FAST REACTORS
FBR TYPE REACTORS
FERMIONS
FISSION NEUTRONS
FUEL ELEMENT FAILURE
FUEL-COOLANT INTERACTIONS
HADRONS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
NEUTRONS
NUCLEONS
POWER REACTORS
REACTOR ACCIDENTS
REACTORS
RESEARCH AND TEST REACTORS
SIMULATION
SODIUM COOLED REACTORS