Published November 1994
| Version v1
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Design report on SCDAP/RELAP5 model improvements - debris bed and molten pool behavior
Description
The SCDAP/RELAP5/MOD3 computer code is designed to describe the overall reactor coolant system thermal-hydraulic response, core damage progression, and in combination with VICTORIA, fission product release and transport during severe accidents. Improvements for existing debris bed and molten pool models in the SCDAP/RELAP5/MOD3.1 code are described in this report. Model improvements to address (a) debris bed formation, heating, and melting; (b) molten pool formation and growth; and (c) molten pool crust failure are discussed. Relevant data, existing models, proposed modeling changes, and the anticipated impact of the changes are discussed. Recommendations for the assessment of improved models are provided
Availability note (English)
MF available from INIS under the Report Number; Also available from OSTI as TI95008573; NTIS.Files
26053020.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 199 p.
- Report number
- INEL--94/0174
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 26053020
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Descriptors DEI
- FISSION PRODUCT RELEASE; FUEL ELEMENTS; MELTDOWN; MELTING; MODIFICATIONS; REACTOR COOLING SYSTEMS; REACTOR CORES; S CODES; THERMAL CONDUCTIVITY; THREE MILE ISLAND-2 REACTOR
- Descriptors DEC
- ACCIDENTS; COMPUTER CODES; COOLING SYSTEMS; ENRICHED URANIUM REACTORS; PHASE TRANSFORMATIONS; PHYSICAL PROPERTIES; POWER REACTORS; PWR TYPE REACTORS; REACTOR ACCIDENTS; REACTOR COMPONENTS; REACTORS; THERMAL REACTORS; THERMODYNAMIC PROPERTIES; WATER COOLED REACTORS; WATER MODERATED REACTORS
Optional Information
- Contract/Grant/Project number
- Contract AC07-94ID13223
- Funding organization
- Nuclear Regulatory Commission, Washington, DC (United States).