FITTING OF THE DATA FOR DIFFUSION COEFFICIENTS IN UNSATURATED POROUS MEDIA
Author(s) -
Brendon Bullard
Publication year - 1999
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/886034
Subject(s) - porous medium , vadose zone , diffusion , curve fitting , materials science , function (biology) , porosity , regression analysis , mathematics , environmental science , geotechnical engineering , thermodynamics , soil science , statistics , geology , physics , soil water , evolutionary biology , biology
The purpose of this calculation is to evaluate diffusion coefficients in unsaturated porous media for use in the TSPA-VA analyses. Using experimental data, regression techniques were used to curve fit the diffusion coefficient in unsaturated porous media as a function of volumetric water content. This calculation substantiates the model fit used in Total System Performance Assessment-1995 An Evaluation of the Potential Yucca Mountain Repository (TSPA-1995), Section 6.5.4
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