Effect of overlaying steel layers on the growth of molten core debris pools in concrete. [LMFBR]
Following a hypothetical core disruptive accident (HCDA) in a fast reactor, the core debris may be in the form of a molten pool which is volumetrically heated by the radioactive decay of the dissolved fission products. The debris pool may be retained in the concrete support structure below the reactor vessel. It grows continually by melting the concrete which readily dissolves in the pool. The purpose of this research is to simulate the heat and mass transfer processes taking place in the molten steel/core debris/concrete system. The effects of the initially-lighter steel layer atop the pool and the subsequent inversion process on the transient radial and downward growth rates of the pool are investigated.
- Research Organization:
- Wisconsin Univ., Madison (USA). Dept. of Nuclear Engineering
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 6109967
- Report Number(s):
- COO-4261-9
- Country of Publication:
- United States
- Language:
- English
Similar Records
Simulation of heat and mass transfer processes in molten core debris-concrete systems. [LMFBR]
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Sun Dec 31 23:00:00 EST 1978
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CORIUM
ENERGY TRANSFER
EPITHERMAL REACTORS
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STRUCTURAL MODELS
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210500 -- Power Reactors
Breeding
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
BREEDER REACTORS
CORIUM
ENERGY TRANSFER
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
FLUID MECHANICS
HEAT TRANSFER
HYDRAULICS
LIQUID METAL COOLED REACTORS
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MASS TRANSFER
MECHANICS
MELTDOWN
MOCKUP
REACTOR ACCIDENTS
REACTOR CORE DISRUPTION
REACTOR SAFETY
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STRUCTURAL MODELS
TEMPERATURE GRADIENTS