DHCVIM: A direct heating containment vessel interactions module: Applications to Sandia National Laboratory Surtsey experiments
Conference
·
OSTI ID:6258599
Direct containment heating is the mechanism of severe nuclear reactor accident containment loading which results from transfer of thermal and chemical energy from high temperature, finely divided, molten core material to the containment atmosphere. The Direct Heating Containment Vessel Interactions Module, DHCVIM, has been developed at BNL to mechanistically model the mechanisms of containment loading resulting from the direct heating accident sequence. The calculational procedure is being used at present to model the Sandia National Laboratory 1/10th-scale Surtsey direct containment heating experiments. The objective of the code is to provide a test bed for detailed modeling of various aspects of the thermal, chemical and hydrodynamic interactions which are expected to occur in three regions of a containment building: reactor cavity, intermediate subcompartments and containment done. Major emphasis is placed, at present, on the description of reactor cavity dynamics. This paper summarizes the modeling principles which are incorporated in DHCVIM and presents a prediction of the Surtsey Test DCH-2 which was made prior to execution of the experiment.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA); Nuclear Regulatory Commission, Washington, DC (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6258599
- Report Number(s):
- BNL-NUREG-39935; CONF-871101-38; ON: DE87012173
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
220600* -- Nuclear Reactor Technology-- Research
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42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
CHEMICAL REACTIONS
COMPUTER CODES
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ENERGY TRANSFER
EXPERIMENT PLANNING
FLUID MECHANICS
HEAT TRANSFER
HEATING
HYDRAULICS
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PRESSURE VESSELS
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220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
CHEMICAL REACTIONS
COMPUTER CODES
CONTAINERS
CONTAINMENT
D CODES
ENERGY TRANSFER
EXPERIMENT PLANNING
FLUID MECHANICS
HEAT TRANSFER
HEATING
HYDRAULICS
MECHANICS
PLANNING
PRESSURE VESSELS
REACTORS
RESEARCH AND TEST REACTORS
SCALE MODELS
STRUCTURAL MODELS
TEST REACTORS
THERMODYNAMICS