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    题名: Analytical solutions to two-dimensional advection-dispersion equation in cylindrical coordinates in finite domain subject to first- and third-type inlet boundary conditions
    作者: Chen,JS;Chen,JT;Liu,CW;Liang,CP;Lin,CW
    贡献者: 應用地質研究所
    关键词: LABORATORY SOIL COLUMNS;DISPLACEMENT EXPERIMENTS;CONTAMINANT TRANSPORT;POROUS-MEDIA;MODEL;COEFFICIENTS
    日期: 2011
    上传时间: 2012-03-27 17:37:32 (UTC+8)
    出版者: 國立中央大學
    摘要: This study presents exact analytical solutions to the two-dimensional advection-dispersion equation in cylindrical coordinates in finite domain subject to the first- and third-type inlet boundary conditions. The second kind finite Hankel transform and the generalized integral transform technique are adopted to solve the two-dimensional advection-dispersion equation in cylindrical coordinates and its associated initial and boundary conditions. The developed analytical solutions are compared with the solutions for semi-infinite domain subject to the first- and third-type inlet boundary conditions available in literature to illustrate the impacts of the exit boundary conditions. Results show that significant discrepancies between the breakthrough curves obtained from analytical solutions for the finite domain and infinite domain for small Peclet number. Numerical evaluations of the developed analytical solutions for finite domain are computationally intensive because that the convergences of the series progress slowly for medium Peclet number. The developed solutions should be especially useful for testing numerical model simulated solutions for the finite domain subject to first- and third-type inlet boundary conditions. (C) 2011 Elsevier B.V. All rights reserved.
    關聯: JOURNAL OF HYDROLOGY
    显示于类别:[應用地質研究所] 期刊論文

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