Numerical Investigations of Haline-Convective Flows of Saline Groundwaterстатья
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Дата последнего поиска статьи во внешних источниках: 7 марта 2018 г.
Аннотация:Numerical investigations of saline water flows in a horizontal porous layer resulted from water evaporation at the upper boundary and salt accumulation nearby are carried out. The mathematical model includes the continuity, Darcy's and contaminant transport equations. Over the threshold of saline profile stability, different regimes of haline convection in low- and high-permeable layers are simulated. As found, steady regular convection occupying a whole domain is induced in the case of weak evaporation. Stochastic convection with a small-scale structure of salt "drops" and salt precipitation are developed in the case of intensive evaporation. The maps of regimes are plotted and boundaries between regimes are determined.