A Process-based model for fluidized bed in sand filled reservoirs
Olufayo, O. A.
Ochieng, George M.
Ndambuki, Julius M.
Otieno, Fredrick Alfred O.
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Arid and semi-arid regions are prone to severe water inadequacies. They are characterized by little rainfall resulting in several seasonal rivers. Seasonal riverbeds provide opportunity for water to be stored in river’s sand-beds while their surfaces may appear dry. It is an important source of water in most rural areas under arid conditions. Several numerical models have been developed for solving sediment problems in alluvial rivers. However, rarely if ever were a model applied for sand filled reservoirs. This study presents a model to understand interacting factors through which physical water storage potential can be increased in sand filled reservoirs. Finite different method (FDM) has been applied to numerically solve mass balance continuity equation in sand filled reservoir. There were reasonable agreements between estimated results and experimental measurements from a laboratory setup. The study could provide economic and suitability data for increasing water supplies to a small community.
Olufayo, O.A., Ochieng, G.M., Ndambuki, J.M., and Otieno, F.A.O. "A Process-Based Model for Fluidized Bed in Sand Filled Reservoirs."World Environmental and Water Resources Congress 2011. pp: 1705-1717