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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50604


    Title: Exact analytical solutions for two-dimensional advection-dispersion equation in cylindrical coordinates subject to third-type inlet boundary condition
    Authors: Chen,JS;Liu,YH;Liang,CP;Liu,CW;Lin,CW
    Contributors: 應用地質研究所
    Keywords: VOLUME-AVERAGED CONCENTRATIONS;LABORATORY SOIL COLUMNS;POWER-SERIES SOLUTION;DISPLACEMENT EXPERIMENTS;CONTAMINANT TRANSPORT;POROUS-MEDIA;COEFFICIENT;MODEL
    Date: 2011
    Issue Date: 2012-03-27 17:37:42 (UTC+8)
    Publisher: 國立中央大學
    Abstract: Exact analytical solutions for two-dimensional advection-dispersion equation (ADE) in cylindrical coordinates subject to the third-type inlet boundary condition are presented in this study. The finite Hankel transform technique in combination with the Laplace transform method is adopted to solve the two-dimensional ADE in cylindrical coordinates. Solutions are derived for both continuous input and instantaneous slug input. The developed analytical solutions are compared with the solutions for first-type inlet boundary condition to illustrate the influence of the inlet condition on the two-dimensional solute transport in a porous medium system with a radial geometry. Results show significant discrepancies between the breakthrough curves obtained from analytical solutions for the first-type and third-type inlet boundary conditions for large longitudinal dispersion coefficients. The developed solutions conserve the solute mass and are efficient tools for simultaneous determination of the longitudinal and transverse dispersion coefficients from a laboratory-scale radial column experiment or an in situ infiltration test with a tracer. (C) 2010 Elsevier Ltd. All rights reserved.
    Relation: ADVANCES IN WATER RESOURCES
    Appears in Collections:[應用地質研究所] 期刊論文

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