Author(s): Abdelfettah Fredj; Rene Kahawita
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Abstract: A control volume finite element method implemented on a trian gular stencil has been used to solve the governing equations for the flow field and multispecies contaminant concentration in plumes of variable density flow. The results indicate that for a given aquifer, the stability of dense plumes is governed by the groundw ater flow velocity, the contaminant leaching rate, the density difference between the contam inant species and ambient ground water and the reactive character of the organic compound. When a variety of compounds are present, it is possible to locate each plum e. An attempt to reproduce the experim entally observed gravitational in stabilities that form along the lower edge of the plume has been made.
Year: 1997