Mathematical models for diffusive mass transfer from waste package container with multiple perforations

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A robust engineered barrier system (EBS) is employed in the current design concept for the potential high-level nuclear waste repository at Yucca Mountain, Nevada, US. The primary component of the EBS is a multi-barrier waste package container. Simplifying the geometry of the cylindrical waste package container and the underlying invert into the equivalent spherical configuration, mathematical models are developed for steady-state and transient diffusive releases from the failed waste container with multiple perforations (or pit penetrations) at the boundary of the invert. Using the models the steady-state and transient diffusive release behaviors form the failed waste container are studied. The ... continued below

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13 p.

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Lee, J.H.; Andrews, R.W. & Chambre, P.L. December 31, 1996.

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Description

A robust engineered barrier system (EBS) is employed in the current design concept for the potential high-level nuclear waste repository at Yucca Mountain, Nevada, US. The primary component of the EBS is a multi-barrier waste package container. Simplifying the geometry of the cylindrical waste package container and the underlying invert into the equivalent spherical configuration, mathematical models are developed for steady-state and transient diffusive releases from the failed waste container with multiple perforations (or pit penetrations) at the boundary of the invert. Using the models the steady-state and transient diffusive release behaviors form the failed waste container are studied. The analyses show that the number of perforations, the size of perforation, the container wall thickness, the geometry of the waste container and invert, and the adsorption of radionuclide in the invert are the important parameters that control the diffusive release rate. It is emphasized that the failed (or perforated) waste package container can still perform as a potentially important barrier (or diffusion barrier) to radionuclide release.

Physical Description

13 p.

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INIS; OSTI as DE97000408

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  • Canadian Nuclear Society (CNS) international conference on deep geological disposal of radioactive waste, Winnipeg (Canada), 15-18 Sep 1996

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  • Other: DE97000408
  • Report No.: CONF-960911--4
  • Grant Number: AC01-91RW00134
  • Office of Scientific & Technical Information Report Number: 418396
  • Archival Resource Key: ark:/67531/metadc682872

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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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  • December 31, 1996

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  • July 25, 2015, 2:20 a.m.

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  • May 18, 2016, 6:04 p.m.

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Lee, J.H.; Andrews, R.W. & Chambre, P.L. Mathematical models for diffusive mass transfer from waste package container with multiple perforations, article, December 31, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc682872/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.