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Browsing by Subject "mathematical model of migration"

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  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Analiza wpływu wybranych parametrów na wyniki symulacji procesu filtracji substancji ropopochodnej w ośrodku gruntowym
    (2007) Fąfara, Zbigniew
    The modelling of processes accompanying oil products contaminating the ground-water environment lead to construing a mathematical model of migration. Its parameters are constants or variables describing the properties of the porous medium, oil product contaminating ground and water, as well as parameters characterizing thermodynamic conditions in which the contamination took place. By using numerical methods for solving the system of mathematical equations, additional parameters are introduced, e.g. time step, and spatial step of realization of calculations. The aim of the paper is analysis of influence of discretization of spatial variable on the final results of simulation.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Porównanie wyników badań eksperymentalnych i analizy numerycznej migracji substancji ropopochodnej w ośrodku gruntowo-wodnym
    (2007) Fąfara, Zbigniew
    The results of experimental results of migration of selected oil products in the ground-water environment were compared with the results of numerical simulation of the process. The laboratory measurements were performed at a special laboratory stand using three physical loose ground models corresponding to the sand and sand-dust conditions. The simulation was made with the use of a mathematical model of the oil contamination migration in the ground-water medium, applying fundamental physical laws and empirical dependences. The parameters of the mathematical model were defined on the basis of the results of independent laboratory experiments and literature data.