Post-test analysis of TRAN-1 and TRAN-2 final-fuel distributions
Conference
·
OSTI ID:6031413
The phenomena of freezing and plugging of molten core materials in the blanket structure determines whether an LMFBR enters the transition phase in a CDA. In the TRAN series of in-pile experiments, UO/sub 2/ fuel is melted and raised to the desired initial temperature T/sub F/ using neutronic heating in the Annular Core Research Reactor. The melt is then forced upward by an applied pressure P/sub D/ into a steel freezing channel preheated to a temperature T/sub S/. Two such experiments have been performed, in which fuel penetration much farther into the channel was observed, than would be expected based on several current models. Post-test examination has revealed the thickness and relative uniformity of the fuel layer, the absence of steel melting in TRAN-1, and the presence of both fractured and molten fuel beyond the end of the freezing channel. The final fuel distributions in TRAN-1 and TRAN-2 are similar.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 6031413
- Report Number(s):
- SAND-81-1673C; CONF-811103-13; ON: DE81026611
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
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22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
ACPR REACTOR
ACTINIDE COMPOUNDS
BREEDER REACTORS
CHALCOGENIDES
ENRICHED URANIUM REACTORS
EPITHERMAL REACTORS
FAST REACTORS
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HOMOGENEOUS REACTORS
HYDRIDE MODERATED REACTORS
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LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MELTDOWN
MIXED SPECTRUM REACTORS
OXIDES
OXYGEN COMPOUNDS
PLUGGING
PULSED REACTORS
REACTOR ACCIDENTS
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SOLID HOMOGENEOUS REACTORS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
WATER COOLED REACTORS
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210500 -- Power Reactors
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22 GENERAL STUDIES OF NUCLEAR REACTORS
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ACTINIDE COMPOUNDS
BREEDER REACTORS
CHALCOGENIDES
ENRICHED URANIUM REACTORS
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FLOW BLOCKAGE
FREEZING
HOMOGENEOUS REACTORS
HYDRIDE MODERATED REACTORS
LAYERS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MELTDOWN
MIXED SPECTRUM REACTORS
OXIDES
OXYGEN COMPOUNDS
PLUGGING
PULSED REACTORS
REACTOR ACCIDENTS
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SOLID HOMOGENEOUS REACTORS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
WATER COOLED REACTORS
WATER MODERATED REACTORS