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Modeling of gaseous sup 14 CO sub 2 release from perforations in spent fuel disposal containers [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (62 pages) : digital, PDF file
Additional Creators
Brookhaven National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The potential release of gaseous ¹⁴CO₂ from small perforations in spent fuel containers has been evaluated as a function of temperature, hole size, effective porosity of corrosion products within the hole, and time, based on the waste package design parameters and environmental conditions described in the Yucca Mountain Site Characterization Report (SCP). The SCP does not specify initial fill gas (argon) pressure and temperature. It is shown that, if significant ¹⁴C oxidation takes place during the initial, inert-gas phase, an incentive exists to initially underpressurize the containers. This will avoid large, spiked releases of gaseous ¹⁴CO₂ and will result in delayed, smaller, and more uniform release rates over time. Therefore, larger size perforations could be tolerated while meeting the applicable regulations.
Report Numbers
E 1.99:bnl-52308
bnl-52308
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
11/01/1991.
"bnl-52308"
"DE92010387"
Sullivan, T.M.; Pescatore, C.
Funding Information
AC02-76CH00016
View MARC record | catkey: 14418255