Release rates of radionuclides into dripping ground water

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Packages of high-level waste are to be emplaced in unsaturated tuff at the proposed Yucca Mountain repository. Each cylindrical waste package is separated from surrounding rock by a 2-cm air gap. A possible mechanism for release of radionuclides is the dripping of ground water onto waste packages. Drips are assumed to penetrate cracks in failed container and to dissolve radionuclides as the partly failed container fills and overflows. For this wet-drip scenario, with assumed constant drip rate, we have developed analytical solutions for the time-dependent release rates of radionuclides to the surrounding rock. Release rates have been calculated for key ... continued below

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5 p.

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Sadeghi, M.M.; Lee, W.W.L.; Pigford, T.H. & Chambre, P.L. January 1, 1990.

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Description

Packages of high-level waste are to be emplaced in unsaturated tuff at the proposed Yucca Mountain repository. Each cylindrical waste package is separated from surrounding rock by a 2-cm air gap. A possible mechanism for release of radionuclides is the dripping of ground water onto waste packages. Drips are assumed to penetrate cracks in failed container and to dissolve radionuclides as the partly failed container fills and overflows. For this wet-drip scenario, with assumed constant drip rate, we have developed analytical solutions for the time-dependent release rates of radionuclides to the surrounding rock. Release rates have been calculated for key radionuclides. 7 refs., 3 figs.

Physical Description

5 p.

Notes

INIS; OSTI as DE90014308

Source

  • American Nuclear Society (ANS) annual meeting, Nashville, TN (United States), 10-14 Jun 1990

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  • Other: DE90014308
  • Report No.: LBL--28430
  • Report No.: CONF-900608--48
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 137767
  • Archival Resource Key: ark:/67531/metadc620609

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  • January 1, 1990

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 5, 2016, 10:38 a.m.

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Sadeghi, M.M.; Lee, W.W.L.; Pigford, T.H. & Chambre, P.L. Release rates of radionuclides into dripping ground water, article, January 1, 1990; California. (digital.library.unt.edu/ark:/67531/metadc620609/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.