Los Alamos experiments and their impacts on fast reactor safety

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Results of two sets of recent Los Alamos transition-phase experiments are reported herein. The two sets of experiments addressed two different behaviors of boiling pools of molten fuel, molten steel and steel vapor, in the transition phase of a core-disruptive accident (CDA) in a liquid-metal fast breeder reactor (LMFBR). The transient boilup experiments simulated the recriticality-induced motions of a boiling pool within a single subassembly during the subassembly-pool subphase of the transition phase. The melting wall experiments simulated the melting and entrainment of subassembly duct wall steel into a boiling pool during the same subphase. From the results of the ... continued below

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Pages: 9

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Wehner, T.R. & Hull, L.M. January 1, 1985.

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Description

Results of two sets of recent Los Alamos transition-phase experiments are reported herein. The two sets of experiments addressed two different behaviors of boiling pools of molten fuel, molten steel and steel vapor, in the transition phase of a core-disruptive accident (CDA) in a liquid-metal fast breeder reactor (LMFBR). The transient boilup experiments simulated the recriticality-induced motions of a boiling pool within a single subassembly during the subassembly-pool subphase of the transition phase. The melting wall experiments simulated the melting and entrainment of subassembly duct wall steel into a boiling pool during the same subphase. From the results of the transient boilup experiment we identified behaviors and phenomena that argue against an energetic disassembly from the subassembly-pool subphase. From the melting wall experiments we determined that a stable boiling pool is unlikely by showing that significant amounts of wall steel would likely be rapidly entrained and lead to pool collapse. 8 refs., 3 figs.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01; 1.

Source

  • ANS/ENS fast reactor safety meeting, Knoxville, TN, USA, 21 Apr 1985

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  • Other: DE85010797
  • Report No.: LA-UR-85-1373
  • Report No.: CONF-850410-32
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5843069
  • Archival Resource Key: ark:/67531/metadc1096295

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1985

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  • Feb. 18, 2018, 3:59 p.m.

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  • March 20, 2018, 6:01 p.m.

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Wehner, T.R. & Hull, L.M. Los Alamos experiments and their impacts on fast reactor safety, article, January 1, 1985; United States. (digital.library.unt.edu/ark:/67531/metadc1096295/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.