Comparison of numerical tools through thermo-hydro-gas transport modeling for a geological repository in Boom clay

Li Yu, Eef Weetjens, Janez Perko, Dirk Mallants

    Research outputpeer-review


    Two numerical codes, TOUGH2 with and CODE_BRIGHT, were compared in a confidence building effort for multiphase flow problems in a geological repository in Boom Clay, Belgium. A model study comparison between two codes was carried out through three numerical examples based on the current Belgian multibarrier repository design for geological disposal of high-level waste, including a one-dimensional hydro-gas (HG) case, a two-dimensional (2-D) axisymmetrical HG case with a constant hydrogen production rate, and a 2-D axisymmetrical thermo-hydro-gas (THG) case with time-varying heat and gas production rate. Comparison between numerical results demonstrates that the two numerical tools give sufficiently similar results in all three cases, thus providing evidence for the consistency of these tools in solving HG and THG problems in Boom Clay.
    Original languageEnglish
    Pages (from-to)411-423
    Number of pages13
    JournalNuclear Technology
    Issue number3
    StatePublished - Jun 2011
    Event2009 TOUGH2 Symposium - Berkeley Lawrence National Lab, Berkeley, CA
    Duration: 14 Sep 200916 Sep 2009

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