Modeling of the Advection–Dispersion-Decay Equation for GroundWater Contaminant Transport through Finite Porous Media Subject to Time-dependent Boundary Condition
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
GREENTECH02_042
تاریخ نمایه سازی: 19 خرداد 1396
Abstract:
Advection-dispersion equation (ADE) used to describe the blended dispersion-convection mechanisms of contaminant transport in ground water through porous media, has drawn considerable attention with a wide range of applications in several disciplines. The current study focuses on developing asemi-analytical solution to ADE combined with first order decay expression for the problem of contaminant transport in ground water through porous media in one–dimensional finite spatial regions assuming transient boundary conditions utilizing Laplace transform to calculate the contaminant concentration inside the porous media. Furthermore, finite difference and finite element based numerical solutions were utilized to validate the semi-analytical solution results, which were subsequently compared with experimental data gathered from the literature, to demonstrate the accuracy and robustness of the derived semi-analytical solution. Results demonstrated that, generalized semi-analytical solution can be regarded as a reliable mathematical lever to explain contaminant transport phenomenon in ground water through porous media limited to determined transient boundary conditions and also for numerical andexperimental result verification.
Authors
M. Abbasi
Department of Petroleum Engineering, Amirkabir University of Technology(Polytechnic of Tehran), Tehran, Iran, P.O. Box: 15875-4413
M. Madani
Department of PetroleumEngineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University ofTechnology (PUT), Ahwaz, Iran
M. Sahrifi
Department of Petroleum Engineering, Amirkabir University of Technology(Polytechnic of Tehran), Tehran, Iran, P.O. Box: 15875-4413
A. Kazemi
Department of Petroleum Engineering, Amirkabir University of Technology(Polytechnic of Tehran), Tehran, Iran, P.O. Box: 15875-4413
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