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- H13Z-1437: Predicting multiphase flow and tracer transport for an underground chemical explosive test
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Board 1437‚ Hall EFG (Poster Hall)NOLA CC
Author(s):Generic 'disconnected' Message
John Ortiz, Los Alamos National Laboratory (First Author, Presenting Author)
Dolan Lucero, Los Alamos National Laboratory
Esteban Rougier, Los Alamos National Laboratory
Earl Knight, Los Alamos National Laboratory
Suzanne Bourret, Los Alamos National Laboratory
Miles Bodmer, Sandia National Laboratories
Bradley Fritz, Pacific Northwest National Laboratory
Jason Heath, Sandia National Laboratories
Chelsea Neil, Los Alamos National Laboratory
Hakim Boukhalfa, Los Alamos National Laboratory
Kristopher Kuhlman, Sandia National Laboratories
Souheil Ezzedine, Lawrence Livermore National Laboratory
Barry Roberts, Sandia National Laboratories
Shawn Otto, Los Alamos National Laboratory
R Choens, Sandia National Laboratories
George Zyvoloski, Neptune and Company
Phil Stauffer, Los Alamos National Laboratory
When countries test nuclear weapons underground, they may release small amounts of radioactive gases into the air. However, to know when and where to look for these gases, a better understanding is needed of how gases move from deep underground to the surface, especially within a day of an explosion when transport is very rapid.Our study focused on this early phase of gas movement by analyzing data from a recent chemical explosion experiment at the Nevada National Security Site in the United States. We used computer models informed by pre-explosion permeability estimates to simulate gas transport through underground rock after the explosion. The models simulate gas concentrations at various points, which we compared with field measurements taken during the experiment. This work improves our ability to model gas movement in these scenarios, which can ultimately help detect nuclear tests around the world.
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