Modeling of core debris-sodium-concrete interactions

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Description

The interactions between sodium and concrete in the presence of heat-generating core debris resulting from a postulated core meltdown accident in a sodium-cooled fast reactor are complex yet important phenomena relevant to several key safety issues. In particular, the attack of sodium and of core debris on the concrete basemat below the reactor cavity, the generation of hydrogen gas, and the pressurization of the reactor building as a result of the interactions represent, among others, the major sources that provide a challenge to containment integrity. Thus far, no physical model has been developed to describe the nature and the extent ... continued below

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Pages: 11

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Cheung, F.B.; Pedersen, D.R. & Nguyen, D.H. January 1, 1984.

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Description

The interactions between sodium and concrete in the presence of heat-generating core debris resulting from a postulated core meltdown accident in a sodium-cooled fast reactor are complex yet important phenomena relevant to several key safety issues. In particular, the attack of sodium and of core debris on the concrete basemat below the reactor cavity, the generation of hydrogen gas, and the pressurization of the reactor building as a result of the interactions represent, among others, the major sources that provide a challenge to containment integrity. Thus far, no physical model has been developed to describe the nature and the extent of sodium-concrete interactions wth core debris present. It is the purpose of this study to provide a complete physical description of the scenario involved in the core debris-sodium-concrete interactions, starting from the chemical erosion phase through the molten pool formation phase to the long-term melt penetration phase.

Physical Description

Pages: 11

Notes

NTIS, PC A02/MF A01.

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  • 5. information exchange meeting on debris coolability, Los Angeles, CA, USA, 7 Nov 1984

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  • Other: DE85000076
  • Report No.: CONF-841174-3
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 6338967
  • Archival Resource Key: ark:/67531/metadc1211035

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 1984

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Sept. 4, 2018, 6:45 p.m.

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Cheung, F.B.; Pedersen, D.R. & Nguyen, D.H. Modeling of core debris-sodium-concrete interactions, article, January 1, 1984; United States. (digital.library.unt.edu/ark:/67531/metadc1211035/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.