Evaluation of molten lead mixing in sodium coolant by diffusion for application to PAHR. [LMFBR]
Conference
·
OSTI ID:5951430
In post-accident heat removal (PAHR) applications the use of a lead slab is being considered for protecting a porous bed of steel shots in ex-vessel cavity from direct impingement of molten steel or fuel upon vessel failure following a hypothetical core dissembly accident in an LMFBR. The porous bed is provided to increase coolability of the fuel debris by the sodium coolant. The objectives of the present study are (1) to determine melting rates of lead slabs of various thicknesses in contact with sodium coolant and (2) to evaluate the extent of penetration and mixing rates of molten lead into sodium coolant by molecular diffusion alone.
- Research Organization:
- Argonne National Lab., IL (USA); Illinois Univ., Chicago (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5951430
- Report Number(s):
- CONF-830609-70; ON: DE85005016
- Country of Publication:
- United States
- Language:
- English
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ACCIDENTS
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210500 -- Power Reactors
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22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
AFTER-HEAT
AFTER-HEAT REMOVAL
BREEDER REACTORS
CORE CATCHERS
CORIUM
ELEMENTS
ENERGY TRANSFER
EPITHERMAL REACTORS
FAST REACTORS
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HEAT TRANSFER
LEAD
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
METALS
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REACTOR COMPONENTS
REACTOR CORE DISRUPTION
REACTOR SAFETY
REACTORS
REMOVAL
SAFETY
TEMPERATURE DISTRIBUTION