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    Please use this identifier to cite or link to this item: https://ir.fy.edu.tw:8080/ir/handle/987654321/10038


    Title: Mathematical model for formation decontamination by pumping with well bore mixing
    Authors: Chen, Jui-Sheng;Liang,Ching-Ping;Gau,Hwa-Sheng;Liu, Chen-Wuing
    Contributors: 輔英科技大學 環境工程與科學系
    Keywords: Well bore mixing;Formation;Decontamination;Pumping
    Date: 2006-05
    Issue Date: 2010-11-16 17:38:08 (UTC+8)
    Abstract: This work presents a novel mathematical model to evaluate the effect of pumped well bore mixing volume on formation decontamination. The model equation is solved by the Laplace transform finite difference method. The developed model is applied to assess the effect of well bore mixing volume on contaminant remediation. The simulated results indicated that the well bore volume effect is pronounced for initial plumes with a small maximum contaminated radius, and in media such as bedrock formation where aquifer porosity and longitudinal dispersivity are small. In such systems, the pumped well bore mixing effect reduces the early contaminant concentrations, shifts the peak breakthrough curves to the right and spreading the breakthrough curve, and thus increases the decontamination time. If such a system does not account for pumped well mixing bore effect, estimates of decontamination time required to the regulatory level will be inaccurate.
    Relation: Applied Mathematical Modelling,Volume 30, Issue 5, Pages 446-457
    Appears in Collections:[環境工程與科學系] 期刊論文

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