多成分多相型移流拡散モデルによる包括的な地下水汚染解析;多成分多相型移流拡散モデルによる包括的な地下水汚染解析;Comprehensive Treatment of Groundwater Pollution by Multi-component, Multi-phase Convection/Diffusion Modeling
多成分多相型移流拡散モデルによる包括的な地下水汚染解析;多成分多相型移流拡散モデルによる包括的な地下水汚染解析;Comprehensive Treatment of Groundwater Pollution by Multi-component, Multi-phase Convection/Diffusion Modeling
复制标题
多分量、多相对流/扩散模拟综合治理地下水污染
DOI：
10.5917/jagh1987.38.167
复制
发表时间：
1996
期刊：
影响因子：
--
通讯作者：
Keiji Kojima
中科院分区：
文献类型：
--
作者：
Hiroyuki Tosaka;Kazumasa Itoh;Masayuki Ebihara;Kaoru Inaba;A. Itoh;Keiji Kojima
In estimating areal extent of groundwater pollution, and making remediation plan, it is useful to depict convection/diffusion behavior of contaminants in subsurface by numerical simulation. However, conventional Eulerian-Lagrangean formulation for solute transport cannot be applied to recent problems of contamination by insoluble materials such as VCOs, oil, etc., because multi-phase flow occurs. Focusing on developing a comprehensive platform of simulation that can treat groundwater pollution problems caused by various types of chemicals, a set of multi-phase, multicomponent equations is proposed. It expresses air-water-contaminant 3-component, 3-phase flow with adsorption/desorption, dispersion, and mass exchange between fluid phases, so that it covers from single-phase solute transport to multi-phase flow caused by insoluble contaminants. The equations are incorporated in a 3-D numerical simulator which utilizes flexible corner-point FDM as the basic frame of discretization, and is capable of dealing with natural geology/topography, heterogeneity of rocks, and various initial/boundary conditions. The validity of the developed simulator is checked through the results of 1-D and 2-D model studies. *本 論 文 の 一 部 は 日本 応 用 地 質 学 会 研 究 発 表 会(1995年10月4 ,5日).InternationalAssociationforMathematicalgeology 1995AnnualConference,Oct.,29-Nov.2,0saka,Japan.第4回 地 下水 ・土 壌 汚 染 とそ の 防 止 対 策 に 関す る研 究 集 会(1995年 11月17,18日)に て発 表.研 究 の一 部 は文 部 省 科 学 研 究 費 補 助 金一 般 研 究B(06452358.研 究代 表 者 登 坂 博 行)に よ る もの で あ る. **:東 京大学大学院工学科研究科地球 システム工学専攻 ***:応 用地質株式会社川本地盤工学研究所 ****:竹 中工務店