Uncertainty and sensitivity analysis for two-phase flow in the vicinity of the repository in the 1996 performance assessment for the Waste Isolation Pilot Plant [electronic resource] : Undisturbed conditions

Published:: Washington, D.C. : United States. Dept. of Energy, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 62 pages : digital, PDF file
Additional Creators:: Sandia National Laboratories, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

Uncertainty and sensitivity analysis results obtained in the 1996 performance assessment for the Waste Isolation Pilot Plant are presented for two-phase flow the vicinity of the repository under undisturbed conditions. Techniques based on Latin hypercube sampling, examination of scatterplots, stepwise regression analysis, partial correlation analysis and rank transformation are used to investigate brine inflow, gas generation repository pressure, brine saturation and brine and gas outflow. Of the variables under study, repository pressure is potentially the most important due to its influence on spallings and direct brine releases, with the uncertainty in its value being dominated by the extent to which the microbial degradation of cellulose takes place, the rate at which the corrosion of steel takes place, and the amount of brine that drains from the surrounding disturbed rock zone into the repository.

Report Numbers:

E 1.99:sand99-1885j
sand99-1885j

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Published through SciTech Connect.
05/19/2000.
"sand99-1885j"
Reliability Engineering and System Safety (Special Journal Issue) FT
VAUGHN,PALMER; HELTON,JON CRAIG; MACKINNON,ROBERT J.; BEAN,J.E.; ECONOMY,K.; GARNER,J.W.; MILLER,JOEL D.; SCHREIBER,JAMES D.

Funding Information:

AC04-94AL85000

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