The EPRI Laboratory experiments at ANL. [Vaporization of core-concrete mixtures]

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The vaporization of core-concrete mixtures is being measured using a transpiration method. Mixtures of stainless steel, concrete (limestone or basaltic) and urania (doped with La/sub 2/O/sub 3/, SrO, BaO, and ZrO/sub 2/) are vaporized at 2150 - 2400 K from a zirconia crucible into flowing He - 6% H/sub 2/ gas. Up to 600 ppM H/sub 2/O is added to the gas to fix the partial molar free energy of oxygen in the range -420 kJ to -550 kJ. The fraction of the sample that is vaporized is determined by weight change and by chemical analyses on the condensates that ... continued below

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8 pages

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Roche, M.F.; Settle, J.L.; Leibowitz, L.; Johnson, C.E. & Ritzman, R.L. October 28, 1987.

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The vaporization of core-concrete mixtures is being measured using a transpiration method. Mixtures of stainless steel, concrete (limestone or basaltic) and urania (doped with La/sub 2/O/sub 3/, SrO, BaO, and ZrO/sub 2/) are vaporized at 2150 - 2400 K from a zirconia crucible into flowing He - 6% H/sub 2/ gas. Up to 600 ppM H/sub 2/O is added to the gas to fix the partial molar free energy of oxygen in the range -420 kJ to -550 kJ. The fraction of the sample that is vaporized is determined by weight change and by chemical analyses on the condensates that are collected in an Mo condenser tube. The results are being used to test the thermodynemic data base and the underlying assumptions of computer codes used for prediction of release during the severe accident. 13 refs., 2 tabs.

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8 pages

Notes

NTIS, PC A02/MF A01.

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  • Workshop on chemical processes and producers in severe reactor accidents, Captiva Island, FL, USA, 9 Dec 1987

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  • Other: DE88005990
  • Report No.: CONF-871236-3
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5317020
  • Archival Resource Key: ark:/67531/metadc1074292

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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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  • October 28, 1987

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  • Feb. 4, 2018, 10:51 a.m.

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  • May 7, 2019, noon

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Roche, M.F.; Settle, J.L.; Leibowitz, L.; Johnson, C.E. & Ritzman, R.L. The EPRI Laboratory experiments at ANL. [Vaporization of core-concrete mixtures], article, October 28, 1987; United States. (https://digital.library.unt.edu/ark:/67531/metadc1074292/: accessed August 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.